School of Medicine


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  • Geoffrey Abrams, MD

    Geoffrey Abrams, MD

    Associate Professor of Orthopaedic Surgery

    Current Research and Scholarly InterestsDr. Abrams' research is focused on elucidating the pathobiology behind tendinoapthy and developing new treatment modalities for the disease. Specifically, his team is studying the role of micro-RNA as it relates to chronic inflammation and stem cell differentiation in the development and perpetuation of chronic tendinopathy.

  • Todd Alamin, MD, FAAOS

    Todd Alamin, MD, FAAOS

    Professor of Orthopaedic Surgery

    BioDr. Alamin is a board-certified, fellowship-trained orthopaedic surgeon and spine surgeon at Stanford Health Care Orthopaedics and Sports Medicine. He is director of the Spine Surgery Fellowship Program and the Minimally Invasive Spine Center and a professor in the Department of Orthopaedic Surgery at Stanford University School of Medicine. Dr. Alamin completed his spine care and surgery fellowship training at Stanford University School of Medicine/St. Mary’s Medical Center.

    Dr. Alamin specializes in advanced, minimally invasive treatments for a range of conditions affecting the spine. He is skilled at relieving pain that results from spinal stenosis, scoliosis, degenerative disc disease, arthritis, and traumatic injuries. He combines extensive expertise with decades of experience to deliver innovative, personalized care to each of his patients.

    Dr. Alamin’s research interests include effective treatments for vertebral fractures, spinal deformities, scoliosis, herniated discs, and spondylolisthesis (when a vertebra slides out of place). As principal investigator for multiple clinical trials and research studies, Dr. Alamin has explored nerve ablation as a treatment for chronic low back pain and motion-preserving lumbar fusion techniques. He uses state-of-the-art medical devices, implants, and technology to make spine surgery more effective and help his patients move without pain.

    Dr. Alamin is known around the world for the treatment of spine disorders and injuries. He has published more than 65 articles in numerous peer-reviewed journals, including Spine, The Spine Journal, Clinical Spine Surgery, International Journal of Spine Surgery, and Journal of Orthopaedic Research. He has also written several book chapters that focus on diagnosing and treating spine conditions.

    A recognized leader in innovative spine surgery techniques, Dr. Alamin has invented dozens of medical devices, methods, and techniques for spine surgery. He holds a number of patents for his inventions, many of which have revolutionized back pain treatments. Physicians around the globe use his techniques and devices to help their patients with spine conditions.

    Dr. Alamin has been invited to present at conferences around the globe about spinal fusion procedures, novel techniques to treat spinal stenosis, and the latest medical devices to treat degenerative spondylolisthesis. He has lectured at annual meetings for the Association of Bone and Joint Surgeons, the North American Spine Society, and the International Society for the Study of the Lumbar Spine.

    Dr. Alamin is a fellow of the American Academy of Orthopaedic Surgeons. He is a member of the North American Spine Society, the International Society for the Study of the Lumbar Spine, the Spine Arthroplasty Society, and the Society for Minimally Invasive Spine Surgery.

  • Derek F. Amanatullah, M.D., Ph.D.

    Derek F. Amanatullah, M.D., Ph.D.

    Associate Professor of Orthopaedic Surgery

    BioDr. Amanatullah specializes in hip and knee replacements for individuals with osteoarthritis, rheumatoid arthritis, infectious arthritis and avascular necrosis. He also performs revision surgeries of knee and hip implants with problems.

  • Tonya Wei An, MD

    Tonya Wei An, MD

    Clinical Assistant Professor, Orthopaedic Surgery

    BioDr. An is a fellowship-trained orthopaedic surgeon specializing in foot and ankle surgery. She provides care at Stanford Health Care locations in Emeryville and Pleasanton.

    Her practice focuses on the diagnosis and treatment, both nonsurgical and surgical, of foot and ankle conditions, including sports injuries, flatfoot deformity, and ankle arthritis. Working with world-class experts at the Hospital for Specialty Surgery, Dr. An is trained in the latest techniques and technologies, ranging from cartilage repair, minimally invasive bunion correction, to total ankle replacement.

    Dr. An is passionate about practicing evidence-based medicine and pursuing research to advance the field of foot and ankle surgery. She works as part of a team with other orthopedic specialists, neurologists, physiatrists, and therapists to help patients achieve the best clinical outcomes. Dr. An believes in understanding each individual’s circumstances and goals to create a personalized care plan. When surgery is deemed the best option, Dr. An guides her patients through every step of getting back on their feet.

    Dr. An has been involved in extensive research studying clinical outcomes after surgical correction of foot deformities caused by Charcot-Marie-Tooth disease, a hereditary condition that results in weaker and smaller muscles. Her work has appeared in several peer-reviewed scientific journals, including Foot & Ankle International and the Journal of Foot and Ankle Surgery, among others. She has also written textbook chapters on flatfoot and bunion surgical techniques, metatarsalgia (pain in the ball of the foot), and Lisfranc (midfoot) injuries.

    Dr. An is a licensed physician in California and New York. She is a member of the Western Orthopaedic Association, American Orthopaedic Foot and Ankle Society (AOFAS), American Academy of Orthopedic Surgeons, and the American Medical Association. She advocates for diversity in the field of medicine and has served organizations such as the Committee on Inclusion, Equity and Advancement and Women in Orthopaedics Outreach Group at her prior institution.

  • Nidhi Bhutani

    Nidhi Bhutani

    Associate Professor of Orthopaedic Surgery

    Current Research and Scholarly InterestsThe long-term goal of our research is to understand the fundamental mechanisms that govern and reprogram cellular fate during development, regeneration and disease.

  • Julius Bishop, MD

    Julius Bishop, MD

    Associate Professor of Orthopaedic Surgery

    Current Research and Scholarly InterestsDr. Bishop specializes in treating fractures of the upper extremity, lower extremity, pelvis and acetabulum as well as the management of post-traumatic problems including malunion, nonunion and infection.

    He received his undergraduate and medical school degrees from Harvard University and went on to complete the Harvard Combined Orthopaedic Surgery Residency Program. He pursued his subspecialty training in Orthopaedic Traumatology at the world-renowned Harborview Medical Center in Seattle, Washington.

    His research interests include applying decision analysis models to orthopaedic trauma problems, studying clinical outcomes after musculoskeletal injury, orthopaedic biomechanics, the basic science of fracture healing, and evaluating new strategies and techniques in fracture surgery.

  • Eugene Carragee, MD

    Eugene Carragee, MD

    Professor of Orthopaedic Surgery, Emeritus

    Current Research and Scholarly InterestsDr. Carragee's research interests lie in outcomes assessment of surgical and rehabilitative treatment for cervical and lumbar intervertebral disk herniation; diagnosis and treatment of spine infections, instrumentation of the degenerative spine and spinal deformities and low back pain syndromes, pain and pain management.

  • Charles Chan

    Charles Chan

    Clinical Assistant Professor, Orthopaedic Surgery

    Current Research and Scholarly InterestsDr. Chan's research interests include identifying risk factors for growth plate injuries during ACL reconstruction, developing new strategies to prevent pediatric sports injuries, and clinical outcomes of surgical reconstructions in the pediatric athlete.

  • Jeremy Chan

    Jeremy Chan

    Clinical Assistant Professor, Orthopaedic Surgery

    BioDr. Chan is a board certified Clinical Assistant Professor within the Department of Orthopaedic Surgery at Stanford University. He specializes in the surgical treatment of orthopedic conditions in the foot and ankle including ankle arthroscopy, ankle fusions, total ankle replacement, deformity reconstruction, ligament and tendon repair as well as fractures involving the foot and ankle. Having treated athletes from recreational to professional levels, Dr. Chan has a particular interest in acute foot and ankle injuries including treatment of Achilles ruptures, ankle syndesmosis and lateral ankle ligament injuries, ankle fractures and Lisfranc injuries. Dr. Chan also has expertise in early weightbearing and accelerated rehabilitation approaches to ankle fractures and Achilles tendon surgery. As a faculty member, Dr. Chan serves as a foot and ankle consultant for Stanford Athletics and directs resident education on the foot and ankle service. He is currently helping to develop a coaching curriculum for orthopedic surgery residents, and is an orthopedic resident mentor. In addition, Dr. Chan serves as a file reviewer for MD Admissions at the Stanford School of Medicine. He is an active committee member for the Postgraduate Education and Public Education Committees of the American Orthopaedic Foot and Ankle Society.

    Dr. Chan has authored or co-authored over 20 peer-reviewed scientific articles, reviews and chapters while also serving as a journal reviewer for both Foot and Ankle International (FAI) as well as the Journal of the American Academy of Orthopaedic Surgeons (JAAOS). For his research in flatfoot reconstruction, he was awarded the Leonard J. Goldner Award from the American Orthopaedic Foot and Ankle Society. He is a member of the American Academy of Orthopaedic Surgeons (AAOS) and American Orthopaedic Foot and Ankle Society (AOFAS).

    He graduated magna cum laude with honors during his undergraduate studies at the University of Washington. He went on to medical school at Cornell University graduating with honors in research. During his time in medical school, he was awarded the Sidney and Viola Borkon Memorial Prize as the top student in his class and was inducted into the Alpha Omega Alpha (AOA) Honor Medical Society. He then completed his orthopedic surgery residency at Stanford and was chosen as the American Orthopaedic Association Evarts Resident Leader representative during his time in residency. Dr. Chan completed his subspecialty orthopedic foot and ankle fellowship training at Cedars-Sinai Medical Center. He has been trained and mentored by several former and future presidents of the American Orthopedic Foot and Ankle Society including Drs. David Thordarson, Scott Ellis and Glenn Pfeffer.

  • Emilie Cheung, MD

    Emilie Cheung, MD

    Associate Professor of Orthopaedic Surgery

    Current Research and Scholarly InterestsPyrocarbon humeral head replacement
    Clinical outcome after shoulder replacement
    Clinical outcome after elbow replacement
    Clinical outcomes following complex reconstruction of the shoulder and elbow,
    Bone mineral density in the shoulder,
    3D kinematics of the shoulder girdle after arthroplasty

  • Loretta Chou, MD

    Loretta Chou, MD

    Professor of Orthopaedic Surgery

    Current Research and Scholarly InterestsI am a Board Certified Orthopaedic Surgeon, subspecializing in Disorders of the Foot and Ankle. My clinic offers diagnosis and treatment of deformities and acute injuries of the foot and ankle.


    My research interests include: rupture and tendinitis of the Achilles tendon, osteochondral defects of the talus, Total Ankle Arthroplasty, arthrodesis (fusion) of the foot and ankle, open fractures treated with operations, and anatomy of the foot and ankle.

  • Raymond Chou, MD

    Raymond Chou, MD

    Clinical Assistant Professor, Orthopaedic Surgery

    BioDr. Chou is a hand and upper extremity physical medicine and rehabilitation specialist. He is a clinical assistant professor in the Department of Orthopaedic Surgery, Division of Physical Medicine & Rehabilitation at Stanford University School of Medicine.

    He provides expert care for patients who require non-operative treatment for musculoskeletal and neurologic conditions affecting the shoulder, arm, wrist, and hand. For each patient, he develops a personalized, comprehensive, and compassionate care plan designed to achieve the best possible health and quality of life.

    Among the conditions he manages are arthritis, carpal tunnel syndrome, rotator cuff disease, and tennis elbow. He excels at the use of ultrasound for diagnosis and evaluation. He also uses ultrasound to precisely guide treatments delivered with injections and nerve blocks.

    Dr. Chou’s expertise includes electromyography (EMG) and extracorporeal shockwave therapy (ESWT). He has conducted research into the effects of electrical stimulation to improve upper extremity neurologic function in cervical spinal cord injury patients.

    He has published the findings of his research in Physical Medicine & Rehabilitation, Spinal Cord, and other journals. He has co-authored chapters in the textbooks Handbook of Clinical Neurology and Basics of Musculoskeletal Ultrasound.

    Dr. Chou has addressed his peers in presentations at meetings of the American Academy of Physical Medicine and Rehabilitation and the Association of Academic Physiatrists. Topics include compressive neuropathies from prolonged hospitalization during the COVID-19 pandemic, development of a virtual ultrasound curriculum for residents, extracorporeal shockwave therapy, and technology accessibility for stroke patients with limited upper extremity function.

    He has earned honors from Harvard Medical School/Spaulding Rehabilitation Hospital and Northwestern University. He is a member of the American Academy of Physical Medicine & Rehabilitation and Association of Academic Physiatrists.

    Dr. Chou volunteers his time and expertise to help the members of his community optimize their musculoskeletal health.

  • Constance Chu, MD

    Constance Chu, MD

    Professor of Orthopaedic Surgery (Sports Medicine)

    BioDr. Constance R. Chu is Professor and Vice Chair Research, in the Department of Orthopedic Surgery at Stanford University. She is also Director of the Joint Preservation Center and Chief of Sports Medicine at the VA Palo Alto. Previously, she was the Albert Ferguson Endowed Chair and Professor of Orthopaedic Surgery at the University of Pittsburgh. She is a clinician-scientist who is both principal investigator of several projects funded by the National Institutes of Health and who has been recognized as a Castle-Connelly/US News and World Report “Top Doctor” in Orthopedic Surgery as well as on Becker’s list of Top Knee Surgeons in the United States. Her clinical practice focuses on the knee: primarily restoration and reconstruction of the ACL, menisci and cartilage. She graduated from the U.S. Military Academy at West Point and earned her medical degree from Harvard Medical School.

    As Director of the multi-disciplinary Joint Preservation Center structured to seamlessly integrate the latest advances in biologics, mechanics, and imaging with comprehensive patient centered musculoskeletal and orthopedic care, Dr. Chu aims to develop a new model for health care delivery, research and education with an emphasis on health promotion and prevention. Cornerstones of this program include teamwork and a focus on personalized medicine. A central goal is to transform the clinical approach to osteoarthritis from palliation to prevention. In addition to optimizing clinical operations, outstanding research is critical to developing more effective new treatments. Towards this end, Dr. Chu is leading innovative translational research from bench to bedside in three main areas: quantitative imaging and biomarker development for early diagnosis and staging of joint and cartilage injury and degeneration; cartilage tissue engineering and stem cell based cartilage repair; and molecular and biological therapies for joint restoration and joint rejuvenation. Her research efforts have led to more than 30 professional awards and honors to include a Kappa Delta Award, considered to be the highest research honor in Orthopedic Surgery.

    Dr. Chu also regularly holds leadership and committee positions in major professional organizations such as the American Association of Orthopedic Surgeons (AAOS) and the American Orthopedic Association (AOA). In her subspecialty of Orthopedic Sports Medicine, she is a past President of the Forum Sports Focus Group, a member of the Herodicus Society of leaders in Sports Medicine, and immediate past Chair of the American Orthopedic Society for Sports Medicine (AOSSM) Research Council. She is alumnus of the AOA American, British, Canadian (ABC) and the AOSSM Traveling Fellowships.

  • Margaret Cooke, MD

    Margaret Cooke, MD

    Clinical Assistant Professor, Orthopaedic Surgery

    BioDr. Cooke is a clinical assistant professor in the Department of Orthopaedic Surgery at Stanford University School of Medicine. She has a strong clinical interest in hand, wrist, and elbow surgery for adult and pediatric patients. She is dual fellowship trained in Hand & Upper Extremity Surgery and Pediatric & Congenital Hand Surgery.

    As an orthopaedic surgeon, Dr. Cooke’s goal is to alleviate pain and improve hand, wrist, and elbow function so that her patients can return to the activities they enjoy. Her primary clinical interests are nerve compression (carpal tunnel), nerve injuries (traumatic/lacerations), joint instability/arthritis (degenerative conditions of the hand wrist and elbow), sports/athletic injuries, fracture care, and pediatric & congenital conditions of the hand and upper extremity.

    Dr. Cooke utilizes a multi-disciplinary approach in order to provide comprehensive care for each patient. She works closely with colleagues from oncology, radiology, physical therapy, and other specialties. Her team includes certified hand therapists, cast technicians, medical assistants, and patient care coordinators. Together, Dr. Cooke and her team are committed to providing the best possible care for patients.

    She invites patient referrals as early as possible when an upper extremity problem is suspected. She ensures a trusting relationship with referring physicians (whether primary care providers or specialists) by staying in communication so they understand and are comfortable with her recommendations.

    In addition to patient care, Dr. Cooke has enjoyed contributing to her field through research. Among Dr. Cooke’s clinical research interests is fracture healing, including gene expression following administration of medication to stimulate bone repair. She has authored articles on topics like infection prediction and pain management after surgical repair of fractures. Her work has appeared in the Journal of Orthopaedic Trauma, Journal of Orthopaedic Research, Osteoarthritis & Cartilage, Spine, and Transplantation. She also co-wrote the chapter “The History of Carpal Tunnel” for the textbook Carpal Tunnel Syndrome and Related Median Neuropathies.

    Dr. Cooke’s honors include a Howard Hughes Research Fellowship, an Outstanding Chief Resident Research Award, and recognition for authoring one of the top ten Foot & Ankle research papers at the 2016 American Academy of Orthopaedic Surgeons conference.

    In addition to her practice in the U.S., Dr. Cooke has traveled abroad as a physician volunteer to provide surgical services in underserved areas where there is no access to hand surgery specialists. In partnership with the surgeon-founded nonprofit organization Touching Hands, she has performed hand surgeries on adult and pediatric patients in Honduras. Dr. Cooke also has traveled with Shriners Hospital to treat children in Davao, Philippines.

  • Bradley Dean Crow

    Bradley Dean Crow

    Clinical Assistant Professor, Orthopaedic Surgery

    BioDr. Crow is a board-certified, fellowship-trained orthopaedic surgeon specializing in hip and knee replacements with expertise in minimally invasive anterior total hip and quadriceps sparing total knee replacements. He joined Stanford Health Care Tri-Valley in 2023 as a Clinical Assistant Professor with fifteen years experience in private practice.

    Having competed in marathons, ultramarathons, ironman distance triathlons and endurance cycling events, Dr. Crow understands a patient's desire to maintain their current level of activity and function. By offering the latest advancements in hip and knee replacement surgery, his goal is to help every patient achieve successful outcomes. Part of his practice focuses on joint preservation, including knee arthroscopy procedures and partial knee replacement.

    Prior to joining Standford Healthcare, Dr. Crow has developed practice and hospital protocols. He has performed thousands of life changing joint replacements with the goal to facilitate patient's recoveries utilizing soft-tissue sparing techniques, multi-modal pain management and rapid rehabilitation protocols. With advanced expertise in the diagnosis and treatment of a multitude of hip and knee conditions, he focuses on a multi-disciplinary team approach from the initial office consultation, through the hospital stay, and post operative recovery at home.

    Dr. Crow completed his undergraduate and medical school education at St. Louis University. After orthopaedic surgery residency training at the University of Missouri, Dr. Crow completed a fellowship at Scripps Clinic in La Jolla, CA, gaining extensive experience and specialized training in primary hip and knee replacement surgery and complex revision surgery. This is where he first had exposure to robotic knee surgery and minimally invasive techniques. He has had research published in peer-reviewed orthopaedic journals and presented at regional and national meetings. He is a fellow member of the American Academy of Orthopaedic Surgeons, American Association of Hip and Knee Surgeons and California Orthopaedic Association.

    Dr. Crow welcomes referrals of patients with hip and knee complaints from primary care physicians and specialists.

  • Catherine Curtin MD

    Catherine Curtin MD

    Professor of Surgery (Plastic & Reconstructive Surgery) and, by courtesy, of Orthopaedic Surgery

    Current Research and Scholarly InterestsMaintaining and optimizing upper limb function in people with spinal cord injury and other nerve disorders.
    Improving pain and general well being after severe hand injuries.
    Improving treatment and recognition of pain.

  • Scott L. Delp, Ph.D.

    Scott L. Delp, Ph.D.

    Director, Wu Tsai Human Performance Alliance at Stanford, James H. Clark Professor in the School of Engineering, Professor of Bioengineering, of Mechanical Engineering and, by courtesy, of Orthopaedic Surgery

    Current Research and Scholarly InterestsExperimental and computational approaches to study human movement. Development of biomechanical models to analyze muscle function, study movement abnormalities, design medical products, and guide surgery. Imaging and health technology development. Discovering the principles of peak performance to advance human health. Human performance research. Wearable technologies, video motion capture, and machine learning to enable large-scale analysis.

  • Joseph P. Donahue

    Joseph P. Donahue

    Clinical Associate Professor, Orthopaedic Surgery

    BioDr. Donahue is a Board Certified Orthopaedic Surgeon with Subspecialty Certification in Orthopaedic Sports Medicine. He is fellowship trained and specializes in Arthroscopic and Minimally Invasive Reconstructive Surgery of the Shoulder and Knee, and Sports Medicine.

    Dr. Donahue received his undergraduate degree from Stanford University and his Doctor of Medicine from Columbia University College of Physicians and Surgeons. He completed his residency in Orthopedic Surgery at St. Luke’s-Roosevelt Hospital Center (NYC), Memorial Sloan-Kettering Cancer Center (NYC), and the Alfred I. duPont Institute (DE), and went on to a fellowship in Orthopedic Sports Medicine at the Stanford/SOAR Sports Medicine Fellowship Program.

    Dr. Donahue’s interests include arthroscopic surgery of the shoulder and knee. He specializes in anterior cruciate ligament injuries, shoulder instability, and rotator cuff tears. He has done research on both shoulder instability and rotator cuff tears and has developed new techniques and medical devices for rotator cuff and all soft tissue repairs. He has started and actively serves on the medical advisory board for several surgical device companies and continues to design new surgical devices for arthroscopic procedures. He has authored several device patents and journal articles.

    Dr. Donahue has been a member of the American Academy of Orthopedic Surgeons and a Diplomat of the American Board of Orthopedic Surgery. He is also member of the Arthroscopy Association of North America, the American Orthopedic Society of Sports Medicine, the California Orthopedic Association, The International Knee Society, the California Medical Association, and the Santa Clara Medical Society.

    Dr. Donahue has served as the Program Director of the SOAR Orthopedic Sports Medicine Fellowship Program. He has served as the Director of Santa Clara University’s Sports Medicine Program and the Head Team Physician for all of Santa Clara University’s athletic teams, a team physician for the San Francisco 49ers, the San Francisco Giants, the Stanford Athletic Department, and many other area collegiate and high school teams.

  • Joseph Donnelly, MD

    Joseph Donnelly, MD

    Clinical Assistant Professor, Orthopaedic Surgery

    BioDr. Donnelly is a board-certified orthopaedic surgeon with subspecialty board certification in orthopaedic sports medicine. He is the medical director of Sports Medicine and the vice chief of Orthopaedics for Stanford Health Care Tri-Valley. He is also a clinical assistant professor at Stanford University School of Medicine.

    As a clinician, Dr. Donnelly delivers comprehensive prevention and treatment strategies for sports-related orthopaedic trauma. He specializes in the arthroscopic treatment of disorders of the shoulder and knee. He provides particular expertise in minimally invasive and tissue-sparing surgery such as all-inside ACL reconstruction and arthroscopic fixation of shoulder rotator cuff tears.

    He has extensive experience providing game coverage and athletic trainer support for teams including the Oakland Athletics of Major League Baseball as well as high school and college teams. He also has made numerous presentations to educate the community regarding prevention, evaluation, and treatment of injuries in athletes.

  • Brady Evans, MD, MBA

    Brady Evans, MD, MBA

    Clinical Assistant Professor, Orthopaedic Surgery

    BioDr. Evans is an orthopaedic surgeon and a clinical assistant professor of orthopaedic surgery specializing in the treatment of hand and upper extremity conditions. He has extensive training in the full range of orthopaedic treatment approaches, from noninvasive strategies to the most advanced surgical procedures, including peripheral nerve and microvascular surgery.

    Among the wide spectrum of conditions that Dr. Evans treats are joint, ligament, and tendon injuries; nerve and vessel disorders; all forms of arthritis; fractures; carpal and cubital tunnel syndrome; and, pediatric and congenital disorders of the hands and upper extremities.

    Implementing a comprehensive patient treatment plan usually involves multiple specialists. Dr. Evans collaborates with other team members such as spinal care specialists, rheumatologists, plastic surgeons, and physical and occupational therapists. He also closely coordinates treatment and follow-up with the primary care physicians and emergency medicine physicians, as well as other orthopaedic specialists, who refer patients for his specialized care.

    For every patient he sees, he develops a personalized plan of care emphasizing the most conservative treatment possible. The goal of each patient’s care plan is to precisely diagnose the condition, relieve symptoms that may include pain and immobility, and restore use of the affected hand or limb as safely and quickly as possible.

    The opportunity to treat diverse, complex conditions from start to finish and help patients return to functionality and mobility are among the key reasons Dr. Evans chose to practice orthopaedic surgery. To help advance his specialty through innovative research initiatives, Dr. Evans has investigated applications of frontier technology such as virtual reality and artificial intelligence to enhance patient care and education. His research interests also include the management of distal radius fractures, surgical decision-making, and costs and outcomes of orthopaedic surgical procedures.

    As an author, Dr. Evans has published articles in numerous journals including the Journal of Bone and Joint Surgery, Journal of Pediatric Orthopaedics, Archives of Surgery, Current Reviews in Musculoskeletal Medicine, and others. Article topics range from clinical issues to the financial aspects of care. He also has contributed textbook chapters as the primary author of “Fractures of the Distal Radius and Ulna” in Rockwood and Green’s Fractures in Adults, 9th edition and as an author of “Carpal Tunnel Syndrome After Fractures and Other Trauma” in the 2017 edition of the guide Carpal Tunnel Syndrome. In addition, he is a reviewer for HAND, the official journal of the American Association for Hand Surgery, and for the Journal of Hand Surgery Global Online.

    Dr. Evans makes scientific presentations at major national conferences on a variety of topics: resident education, virtual reality in health care, plus various aspects of clinical care.

    He has won honors and recognition for his research and scholarship, including the Richard J. Smith Award from Massachusetts General Hospital and Harvard Medical School for the best clinical/translational paper presentation.

    Dr. Evans is board-eligible with the American Board of Orthopaedic Surgery and a member of the American Academy of Orthopaedic Surgeons and American Society for Surgery of the Hand.

  • Gary S. Fanton, MD

    Gary S. Fanton, MD

    Clinical Professor, Orthopaedic Surgery

    Current Research and Scholarly InterestsDr. Gary Fanton is the Chief of the Section of Sports Medicine at Stanford’s Department of Orthopedic Surgery. His practice primarily involves the diagnostic evaluation and treatment of sports and trauma-related injuries of the upper extremity, knee, and ankle. He is Board Certified by the American Board of Orthopedic Surgery and is currently the Team Physician in Orthopedics for the San Francisco 49ers. Dr. Fanton's past experience includes positions as team orthopedist for the San Francisco Giants, company physician for the San Jose Ballet, head team orthopedist for Stanford University football and basketball, and team orthopedist for Stanford’s additional 29 varsity sports. He co-founded the SOAR clinic where he was an active partner in private practice since 1983. He holds a B.S. degree from the University of Michigan and M.D. degree from the Medical College of Wisconsin.

    Dr. Fanton's special interests include arthroscopic surgery of the knee and shoulder...specifically, injuries to the anterior cruciate ligament of the knee, cartilage injuries, rotator cuff tears, and shoulder instability. He has done extensive research on knee ligament tears, explored new techniques for shoulder stabilization and tendon repair, and he utilizes state-of-the-art surgical procedures to enhance rehabilitation and recovery after surgery. He is frequently asked to be a guest lecturer both nationally and internationally on these and other sports-medicine related topics. He has also authored dozens of articles on sports injuries and new surgical techniques.

    Dr. Fanton was a co-founder and board member of Oratec Interventions, a medical device start-up for minimally invasive spine and joint procedures that went public in April, 2000, which was subsequently purchased by Smith-Nephew in 2002. He actively serves on the medical advisory board for several public and private surgical device companies in the Orthopedic industry and he continues to design and develop unique surgical devices for minimally invasive surgery. He has co-authored several device patents and has several others pending.

    Dr. Fanton has been a member in good standing with the American Academy of Orthopedic surgeons since 1985 and he is a Diplomat of the American Board of Orthopedic Surgery. He is also member of the Orthopedic Research Society, NFL Team Physicians Society, the American Orthopedic Society of Sports Medicine, The International Knee Society, International Cartilage Repair Society, and a founding member of the International Musculoskeletal Laser Society.

  • Michael Fredericson, MD

    Michael Fredericson, MD

    Professor of Orthopaedic Surgery and, by courtesy, of Medicine (Stanford Prevention Research Center)

    Current Research and Scholarly InterestsMy research focuses on the etiology, prevention, and treatment of overuse sports injuries in athletes and lifestyle medicine practices for improved health and longevity.

  • Michael T. Freehill, MD, FAOA

    Michael T. Freehill, MD, FAOA

    Associate Professor of Orthopaedic Surgery

    BioDr. Freehill is a board-certified, double fellowship-trained specialist in orthopaedic surgery with a sub-specialty certification in sports medicine. His concentration is in shoulder and elbow. Dr. Freehill is a team physician for the Stanford University athletics program and head physician for the Stanford University baseball team. Dr. Freehill also teaches in the Department of Orthopaedic Surgery at Stanford University School of Medicine.

    Dr. Freehill’s practice focuses on all shoulder conditions. He treats rotator cuff tears, shoulder instability, shoulder arthritis, sports shoulder, arthropathy, complex shoulder pathology, and sports related shoulder injury. In addition, he is also passionate about sports- related elbow injuries, with an emphasis on thrower’s elbow.

    Professional and amateur athletes, as well as non-athletes, come to Dr. Freehill for expert care. His sports medicine training and specialization in shoulder replacement procedures enable him to treat patients across the lifespan. Depending on factors including the patient’s condition and occupation, he may recommend treatment ranging from non-operative solutions (such as physical therapy) to cutting-edge biologics procedures or complex surgery.

    In addition to his positions within the Stanford University athletics program, Dr. Freehill serves as assistant team physician for the Oakland A’s. Previously, he was a team physician for the Detroit Tigers and the Winston-Salem Dash (affiliated with the Chicago White Sox); he assisted with the Baltimore Orioles. He has also served as Director of Sports Medicine for Wake Forest University Athletics.

    As executive director of the Stanford Baseball Science CORE, Dr. Freehill draws on his previous experience as a professional baseball player to help athletes of all skill levels. In the lab, he conducts cutting edge research on the biomechanics of overhead throwers in order to support advances in throwing performance. He has conducted a study on pitch counts in adolescent players funded by Major League Baseball. Dr. Freehill was also awarded a research grant from the National Institutes of Health to investigate stromal vascular fractionated mesenchymal cells and their potential for healing rotator cuff tendon tears.

    Dr. Freehill has pioneered the use of some of the latest techniques and technology for leading-edge care. Among the advanced technologies he utilizes is a virtual reality (VR) system that enables him to perform a simulated shoulder arthroplasty procedure prior to entering the operating room with a patient. The system also enables him to predict and order customized implants if needed, which is believed to enable a more positive outcome for patients.

    Peer-reviewed articles authored by Dr. Freehill explore rotator cuff injuries, shoulder arthroplasty, baseball-related injuries and performance interests, and more. His work has been featured in the American Journal of Sports Medicine, the Orthopedic Journal of Sports Medicine, Journal of Shoulder and Elbow Surgery, Arthroscopy, and elsewhere. He has written numerous book chapters and made over 200 presentations at conferences around the world.
    Dr. Freehill’s honors include an Orthopaedic Residency Research Award while at Johns Hopkins University. He is also a Neer Award winner, denoting the highest research award selected annually by the American Shoulder and Elbow Society.

    Currently, he serves on the Medical Publishing Board of Trustees for the American Orthopaedic Society for Sports Medicine. He is a member of the American Orthopaedic Association, and the Major League Baseball Team Physician Association. He is a committee member for the American Shoulder and Elbow Surgeons Society, International Congress of Arthroscopy and Sports Traumatology, the Arthroscopy Association of North America, and the American Academy of Orthopaedic Surgeons.

  • James Gamble

    James Gamble

    Professor of Orthopaedic Surgery

    Current Research and Scholarly InterestsClinical research involving pediatric orthopedics; gait, and motion analysis; cost effectiveness analysis; growth mechanisms

  • Michael J. Gardner, MD

    Michael J. Gardner, MD

    Hatim and Durriya Tyabji Endowed Professor

    Current Research and Scholarly InterestsDr. Gardner’s investigative program during his academic career has involved a two-pronged approach, including both clinical and basic research. Prior to joining the Orthopaedic Department at Stanford, he was the Director of the Orthopaedic Trauma Research Program at Washington University School of Medicine in St. Louis, MO. During his tenure as Director, he organized a highly productive and efficient research program. This resulted in publication of many scientific manuscripts, and numerous ongoing multicenter and single center trials that remain active.

    Throughout his career, he has published over 100 peer-reviewed original scientific manuscripts, in addition to over 50 invited manuscripts, brief reports, and review papers. He has edited two published text books, is currently editing two more books, and has co-authored over 30 book chapters. His goals include continuing to be highly active in both clinical and basic research, and to continue attaining grant funding to support this work.

  • Nicholas Giori MD, PhD

    Nicholas Giori MD, PhD

    Professor of Orthopaedic Surgery

    Current Research and Scholarly InterestsOsteoarthritis
    Medical Device Development

  • Anne Elizabeth Goldring, MD

    Anne Elizabeth Goldring, MD

    Clinical Assistant Professor, Orthopaedic Surgery

    BioDr. Goldring is a board-certified, fellowship-trained physiatrist with Stanford Health Care Orthopaedics and Sports Medicine. She is clinical assistant professor in the Department of Orthopaedic Surgery, Division of Physical Medicine and Rehabilitation, at Stanford University School of Medicine. Dr. Goldring completed a Physical Medicine and Rehabilitation (PM&R) residency at Northwestern University in Chicago, followed by fellowship training in Sports and Spine at the Hospital for Special Surgery in New York.

    Dr. Goldring’s clinical practice focuses on the non-operative management of musculoskeletal injuries and spine disorders. She specializes in delivering comprehensive care for a range of conditions, including sports-related injuries, osteoarthritis, neck, and back pain. She is focused on optimizing patient function, with the goal of helping patients return to their desired activities and prevent future injury. She believes that movement is medicine and wants to help patients achieve active, healthy lifestyles. She provides guidance throughout a physical rehabilitation course with personalized physical therapy prescriptions and exercise plans. When necessary, she also offers more aggressive interventions like injection therapies or surgical referrals. Her practice includes the use of diagnostic electromyograms (EMGs), ultrasound-guided musculoskeletal injections, shockwave therapy, Ortho biologics, such as platelet rich plasma (PRP), and fluoroscopic-guided lumbosacral spine injections.

    Dr. Goldring has published articles in PM&R, Journal of Surgical Research, and The Physician and Sportsmedicine. She has delivered presentations and lectures all over the nation, including in Chicago, New Orleans, and New York. Her research and presentations, have covered topics ranging from women’s sports medicine, improving medical education curriculum, ergonomic interventions in the workplace, and the impact of intensive lifestyle medicine programs on musculoskeletal pain.

    Dr. Goldring is a member of the American Medical Society for Sports Medicine, American Academy of Physical Medicine and Rehabilitation, Association of Academic Physiatrists, and Spine Intervention Society. She has provided sideline coverage at multiple athletic events, including the Bank of America Chicago Marathon, the Long Island Nets basketball, and United Soccer League (USL) games.

  • Stuart Goodman, MD, PhD

    Stuart Goodman, MD, PhD

    The Robert L. and Mary Ellenburg Professor of Surgery and Professor, by courtesy, of Bioengineering
    On Partial Leave from 09/01/2024 To 08/31/2025

    Current Research and Scholarly InterestsAs an academic orthopaedic surgeon, my interests center on adult reconstructive surgery, arthritis surgery, joint replacement, biomaterials, biocompatibility, tissue engineering, mesenchymal stem cells. Collaborative clinical, applied and basic research studies are ongoing.

  • L. Henry Goodnough, MD, PhD

    L. Henry Goodnough, MD, PhD

    Assistant Professor of Orthopaedic Surgery

    BioDr. Goodnough is an orthopaedic surgeon who is fellowship-trained in orthopaedic traumatology. This specialty is dedicated to the care of patients with complex injuries to the body’s bones, joints, or tissues.

    Dr. Goodnough is a clinical instructor of orthopaedic surgery. He also holds a PhD degree, and his doctoral research focused on genetic mechanisms of early bone development.

    For each patient, he develops a personalized plan of care. His goals are to treat the patient’s injury, restore function, and help promote the best possible quality of life. His clinical interests include nonunions, periarticular fractures, fractures of the pelvis and acetabulum, and infections.

    Dr. Goodnough has conducted research on the role of skeletal stem cells in fracture healing. He also has investigated how cells function in fractures that have failed to heal (“nonunions”).

    He has co-authored articles on his research discoveries in the Journal of the American Academy of Orthopaedic Surgery, Journal of Orthopaedic Trauma, Journal of Bone and Mineral Research, and elsewhere. Topics include advances in surgical technique and technology.

    He also has contributed to chapters in the textbooks Surgery of the Hip, Skeletal Trauma of the Upper Extremity, and Operative Techniques in Orthopedic Trauma.

    Dr. Goodnough has presented the findings of his research at numerous national and regional conferences. They include meetings of the Orthopaedic Trauma Association, American Academy of Orthopaedic Surgeons, and Western Orthopaedic Association. Topics have included the effects of non-steroidal anti-inflammatory drugs on skeletal stem cells in fractures.

    Dr. Goodnough is a member of the American Academy of Orthopaedic Surgeons, Orthopaedic Trauma Association, and AO, the global network of doctors dedicated to the surgical treatment of trauma and musculoskeletal disorders.

  • Jessica Hooper, MD

    Jessica Hooper, MD

    Clinical Assistant Professor, Orthopaedic Surgery

    BioDr. Hooper is a board-certified, fellowship-trained Orthopaedic surgeon specializing in hip and knee joint replacement surgery. She is a clinical assistant professor at Stanford University School of Medicine and heads the outpatient joint replacement program at the Stanford Outpatient Surgery Center in Redwood City.

    A Bay Area native, Dr. Hooper attended college at UCLA, where she worked as a student athletic trainer for the football and women’s gymnastics teams. She went to medical school at the Michigan State University College of Human Medicine and was named a member of the Alpha Omega Alpha medical honor society. She completed Orthopedic residency training at the prestigious New York University Hospital for Joint Diseases in Manhattan. In residency, she mentored local female high school students interested in STEM as part of the Perry Initiative program, worked with local surgeons in Port-au-Prince, Haiti, and received excellent training in all facets of Orthopaedic surgery and patient care. She then completed a fellowship at Stanford University, where she obtained additional training in hip and knee joint replacement. She is motivated by the dramatic improvements in quality of life that patients experience after surgery and is passionate about helping her patients return to the activities that matter most to them. She began her practice at Kaiser Permanente, where she gained experience in safe and effective management of same-day total joint replacement patients.

    Dr. Hooper performs a full range of Orthopaedic procedures to treat injures and conditions related to hip and knee degenerative conditions, such as arthritis, avascular necrosis, and post-traumatic injuries. Dr. Hooper will help her patients first explore nonsurgical treatments and may recommend surgery once activities of daily living have been significantly affected. She specializes in tissue-sparing surgical techniques, including anterior approach total hip replacement, and performs hundreds of hip and knee replacements annually. She believes that less muscle disruption enables an easier patient recovery. Dr. Hooper also uses robotic navigation during knee replacement surgery to optimize outcomes. She views each of her patients as individuals; she takes the time to understand their unique goals and adjust treatment plans accordingly.

    Dr. Hooper has written articles and book chapters on a variety of topics related to techniques, technologies, and outcomes in joint replacement surgery. She has given presentations on her research at national meetings for the American Association of Hip and Knee Surgeons and American Academy of Orthopaedic Surgeons. She was also the recipient of the 2018 American Association of Hip and Knee Surgeons FARE grant for her work on the use of virtual reality as a teaching tool for residents learning total hip replacement.

    Dr. Hooper is a member of the American Academy of Hip and Knee Surgeons, the American Academy of Orthopaedic Surgeons, and the Ruth Jackson Orthopaedic Society for female surgeons.

  • Serena Hu, MD

    Serena Hu, MD

    Professor of Orthopaedic Surgery and, by courtesy, of Neurosurgery

    BioDr. Hu is a board-certified, fellowship-trained orthopaedic spine surgeon. She is professor and vice chair of the Department of Orthopaedic Surgery and (by courtesy) Neurosurgery, and chief of the Division of Spine Surgery at Stanford University School of Medicine. Dr. Hu completed her orthopedic surgery residency at the Hospital for Special Surgery in New York and her fellowship training in spine and scoliosis surgery at Rancho Los Amigos Rehabilitation Center in Downey, California.

    Dr. Hu has extensive experience helping patients with a range of spinal conditions and injuries. She specializes in treating scoliosis (when the spine curves sideways), kyphosis (when the spine is more bent forward than normal) lumbar spine fractures, spondylolisthesis (when a vertebra moves out of place), disc degeneration, and spinal stenosis (spinal canal narrowing). Dr. Hu draws on her expertise to create a customized care plan for each of her patients.

    Dr. Hu has been the principal investigator in more than a dozen clinical trials and studies. She has been awarded multiple research grants from the North American Spine Society, Scoliosis Research Society, and the National Institutes of Health (NIH). Her research interests include the effects of preoperative pain medication on surgical outcomes as well as decreasing the risk of complications after spine surgery. She has also studied and tested new technologies that make spine surgery safer and more effective.

    She has published more than 145 articles in dozens of peer-reviewed journals, including Global Spine Journal, Journal of Spine Surgery, Spine, and Spine Deformity. She has written about a range of topics, including quality measures in spine surgery, spinal fusion techniques, spine tumor effects on spine stability and lumbar decompression for spinal stenosis. Additionally, Dr. Hu has written more than a dozen book chapters on spinal cord injuries, spine fractures, pediatric kyphosis, spondylolysis (vertebra fracture), and scoliosis.

    Dr. Hu has reviewed articles for Clinical Orthopaedics and Related Research, Journal of the American Academy of Orthopaedic Surgeons: A Comprehensive Review, and Spine. She has also served as associate editor for Spine Deformity and deputy editor for Global Spine Journal.

    Having delivered hundreds of presentations, papers, and lectures, Dr. Hu is widely considered one of the world’s leading experts in spine surgery. She has been invited to lecture to her colleagues all over the United States and around the world, including in Hong Kong, Canada, Brazil, Australia, Argentina, and Greece.

    Dr. Hu is a member of multiple professional organizations, including the American Academy of Orthopaedic Surgeons, American Orthopaedic Association, International Society for the Study of the Lumbar Spine, Orthopaedic Research Society, and Scoliosis Research Society. She is past president of the Scoliosis Research Society as well as of the American Orthopedic Association.

  • James Huddleston, MD

    James Huddleston, MD

    Professor of Orthopaedic Surgery

    Current Research and Scholarly InterestsMy primary research interests include: arthritis, clinical outcomes of primary and revision hip and knee replacement surgery, biomaterials, the design of hip and knee implants and instrumentation, and the delivery of health services related to hip and knee replacement.

  • Lisa Huynh, M.D.

    Lisa Huynh, M.D.

    Clinical Associate Professor, Orthopaedic Surgery

    BioDr. Huynh is an interventional spine physiatrist at the Stanford University Spine Center, where she specializes in the comprehensive conservative management of spine disorders. She earned her medical degree from Albert Einstein College of Medicine and completed a Physical Medicine and Rehabilitation residency at the University of Pittsburgh Medical Center, where she served as Chief Resident. She then went on to fulfill a fellowship in Interventional Spine at Stanford University. She specializes in non-operative spine and musculoskeletal care, including fluoroscopic and ultrasound guided procedures.

  • Steven S Isono

    Steven S Isono

    Clinical Professor, Orthopaedic Surgery

    BioDr. Steven Isono is an Orthopaedic Surgeon specializing in Sports Medicine as well as surgery of the knee and shoulder. He is Board Certified by the American Board of Orthopaedic Surgery in both Orthopaedic Surgery and in Sports Medicine with a Certificate of Added Qualification in Sports Medicine.

    Dr. Isono grew up in the East Bay and graduated as the Valedictorian of Oakland High School during which he participated in Basketball, Baseball, Track and Field with All-State Honors in Gymnastics. He received a BA with Honors in Biochemistry from Harvard University in Cambridge, Massachusetts and wrote his Research Thesis on Erythrocyte Abnormalities in Sickle Cell Anemia. He then received his MD from Northwestern University Medical School in Chicago, Illinois and also performed research on Liver Hepatomas during medical school. His Internship in Plastic and Reconstructive Surgery and Residency in Orthopaedic Surgery were both completed at Stanford with additional training in Microsurgery in Japan at the Kyoto University Hospital and the Tokyo Metropolitan Hospital.

    He is serving as Team Physician and Consultant for the United States Olympic and Paralympic Committee (USOPSC) for Men’s Swimming, Triathlon, Judo, Taekwondo, Track and Field, Men’s Rowing, and Boxing), the National Football League Players Association (NFLPA), the Oakland Panthers (Professional Indoor Football League), and Laney College. He was Team Physician for the Golden State Warriors of the National Basketball Association (NBA) for many years and completed this role in 2019. He is also a consultant for the Special Olympics, Ironman World Triathlon Championships, Dew Tour of Action Sports, and Association of Volleyball Professionals.

    In addition to covering numerous National and International World Championship competitions, he has served as the Orthopedic Surgeon for TEAM USA for the 2015 XVII Pan American Games in Toronto, Canada, the 2016 XXXI Summer Olympic Games in Rio de Janeiro, Brazil, and 2018 Youth Olympic Games in Buenos Aries, Argentina as well as the 2019 XVIII Pan American Games in Lima, Peru. Dr. Isono was appointed the TEAM USA Head Team Physician at the 2021 XXXII Summer Olympic Games in Tokyo, Japan in July 2021 and the 2022 XXIV Winter Olympic Games in Beijing, China.

    Dr. Isono also is a founder of a Non-Profit organization called the One Nation Project located in West Oakland. This program uses sports as an avenue to mentor kids-at-risk and involves kids from lower school through high school. Of his “first class” of kids, 10 of 11 kids graduated high school and college with a few of his “kids” becoming an Astrophysicist, a Financial Consultant, a Deputy Sheriff, and an Attorney.

    Dr. Isono is a member of the American Academy of Orthopaedic Surgeons, American Board of Orthopaedic Surgery, American Orthopaedic Society of Sports Medicine, Olympic Sports Medicine Society, Arthroscopy Association of North America, California Orthopaedic Association, Western Orthopaedic Association, NBA Team Physicians Society, and the American College of Sports Medicine. He also holds the position of an Expert Medical Reviewer for the Medical Board of California.

    Among his many honors, Dr. Isono has earned the “Top Doctors in Sports Medicine” award in the California Magazine, Oakland Magazine, and Bay Area Consumer’s Checkbook, the Patients’ Choice Award for California’s Favorite Physicians, and designated among “America’s Top Orthopedists” and "Sports Medicine Physicians" by Consumer’s Research Council of America.

  • Robin Kamal MD MBA

    Robin Kamal MD MBA

    Associate Professor of Orthopaedic Surgery

    Current Research and Scholarly InterestsWrist and Elbow Injuries and Quality Measures in Orthopaedic Surgery