School of Medicine
Showing 201-250 of 382 Results
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Anthony Machi, MD
Clinical Associate Professor, Anesthesiology, Perioperative and Pain Medicine
BioDr. Anthony Machi is a double-board-certified, fellowship-trained anesthesiologist and pain management specialist with Stanford Health Care. He is also a clinical associate professor in the Department of Anesthesiology, Perioperative, and Pain Medicine, Division of Pain Medicine at Stanford University School of Medicine.
Dr. Machi diagnoses and treats a wide range of pain conditions, including acute and chronic postsurgical pain, nerve-related (neuropathic) pain, and pain affecting the back, neck, and joints. He specializes in using minimally invasive techniques to relieve pain and enhance quality of life for his patients who are recovering after surgery.
Dr. Machi’s research interests include using ultrasound to study the greater occipital nerve in people with greater occipital neuralgia. He has also studied patient outcomes and pain management strategies for many types of surgery, including minimally invasive valve surgery and major shoulder surgery.
Dr. Machi has published his research in peer-reviewed journals, such as Seminars in Cardiothoracic and Vascular Anesthesia, Regional Anesthesia & Pain Medicine, Anesthesia & Analgesia, and PAIN. He has also presented to his peers at national and regional meetings, including the annual meetings of the American Society of Anesthesiologists (ASA), the American Society of Regional Anesthesia and Pain Medicine (ASRA), and the Texas Society of Anesthesiologists.
Dr. Machi is a member of the American Academy of Pain Medicine, ASA, ASRA, the North American Neuromodulation Society, and the World Academy of Pain Medicine United. -
M Bruce MacIver
Professor (Research) of Anesthesiology, Perioperative and Pain Medicine, Emeritus
Current Research and Scholarly InterestsWe study drug effects on the nervous system. Cellular, synaptic and molecular drug actions are investigated using electrophysiological and pharmacological tools in cortical/hippocampal brain slice preparations. We are also interested in mechanisms of neuronal integration and synchronization, especially related to patterns of EEG activity seen in vivo and in brain slices.
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Kristen Klepac MacKenzie, MD
Clinical Assistant Professor, Anesthesiology, Perioperative and Pain Medicine
BioDr. Kristen MacKenzie is a Clinical Assistant Professor in the Department of Anesthesiology, Perioperative, and Pain Medicine. Dr. MacKenzie graduated AOA with a MD from UCSF and then completed her anesthesia residency and pain medicine fellowships at Stanford. She works at the Stanford Pain Management Center with specialty interests in chronic pelvic and abdominal pain, as well as peripartum pain. She is the co-director for the Stanford Pelvic Pain Program as well as part of the Stanford Pelvic Health Center for interdisciplinary, multimodal care.
She completed a Stanford Faculty Medical Humanities Fellowship, focusing on the role of communication and the arts in modern medicine. She serves as the co-director for the Women's Sexual Dysfunction Case Conference as well as the Pain Division representative to the Stanford Anesthesia Communications Council. She enjoys being able to spend time with learners and participates in the Women in Medicine mentoring program annually.
She is active in the American Academy of Pain Medicine (AAPM), and for the 2025-2026 year is serving as the Women in Pain Medicine Shared Interest Group (SIG) Co-Chair as well as the Media & Public Relations SIG Chair.
Outside of work, she enjoys being outdoors in the Bay Area, trail running, and spending time with her husband and two boys.
Clinical focus:
Pelvic pain, due to multiple causes including:
Dyspareunia
Painful Bladder Syndrome/ Interstitial cystitis/ Dysuria
Endometriosis
Fibroids
Pelvis Congestion Syndrome
Pelvic Floor Dysfunction
Pudendal Nerve Pain
Rectal/Anal Pain
Vulvar Pain/ Vulvodynia/ Vaginismus
Nerve entrapment syndromes, including hernia nerve entrapment
Post-partum and Peri-partum pain
Abdominal pain
Musculoskeletal pain
New Patients: Please have your primary treating provider place a referral to Stanford Pain Clinic and specify Pelvic Pain, Dr. MacKenzie. -
Sean Mackey, M.D., Ph.D.
Redlich Professor, Professor of Anesthesiology, Perioperative, and Pain Medicine (Adult Pain) and, by courtesy, of Neurology and Neurological Sciences
On Leave from 01/25/2026 To 03/06/2026Current Research and Scholarly InterestsMultiple NIH funded projects to characterize CNS mechanisms of human pain. Comparative effectiveness of cognitive behavioral therapy and chronic pain self-management within the context of opioid reduction (PCORI funded). Single session pain catastrophizing treatment: comparative efficacy & mechanisms (NIH R01). Development and implementation of an open-source learning healthcare system, CHOIR (http://choir/stanford.edu), to optimize pain care and innovative research in real-world patients.
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Janice Man
Clinical Assistant Professor, Anesthesiology, Perioperative and Pain Medicine
BioJanice Man, MD, is currently a Clinical Assistant Professor for the Department of Anesthesia, Perioperative and Pain Medicine at Stanford University and is board-certified in anesthesiology and pediatric anesthesiology. She completed her medical school education at the Yale University School of Medicine, residency training at UCSF, pediatric anesthesia fellowship training at CHOP, and her pediatric regional anesthesia fellowship at Stanford. She received the Outstanding Research Award in Acute Pain at the Society of Pediatric Pain Medicine Annual Conference in 2016. Her interests include utilization of regional anesthesia and comprehensive multimodal analgesic protocols in the reduction of opioid consumption for acute pain in pediatric patients.
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Edward R. Mariano, MD, MAS, FASA, FASRA
Professor of Anesthesiology, Perioperative and Pain Medicine (MSD)
Current Research and Scholarly InterestsMy clinical research interests include the development of techniques and patient care pathways to improve postoperative pain control and other surgical outcomes. I am particularly interested in using regional anesthesiology, the science and practice of modulating nerve transmission in the central neuraxis or within peripheral nerves, to produce target-specific and opioid-sparing pain relief and enhance recovery after surgery or injury.
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Amy Li Matecki
Adjunct Clinical Instructor, Anesthesiology, Perioperative and Pain Medicine
BioDr. Amy (Ying Li) Matecki has been licensed to practice medicine in California since 2002 and completed her Internal Medicine Residency as Chief Resident at Highland Hospital, Alameda Health System, a UCSF affiliate, in 2004. She received her degree in Acupuncture and Chinese medicine from ACCHS in 2009. She was a Faculty Attending Physician at Department of Medicine Residency at Highland Hospital from 2004 to 2019 and Chief of the Integrative Medicine Division from 2014 to 2019. She and her colleagues from allopathic medicine and Chinese Medicine created hospital privilege policy for licensed acupuncturists in 2011 and designed policies, procedures and training methods for acupuncturists to join the medical staff to provide inpatient acupuncture services at Highland Hospital. She helped to create the first Traditional Chinese Medicine (TCM) Residency from 2016 to 2019 at Alameda Health System Highland Hospital. Graduates from this residency program are able to work in allopathic academic teaching hospitals’ inpatient care and outpatient medical centers.
In addition to serving in the public hospital, Dr. Matecki joined Alta Bates Summit Medical Center (ABSMC) Comprehensive Cancer Center in 2004 where she started a community hospital-based acupuncture program to bridge Eastern and Western Medicine. She has been the Medical Director of Integrative Medicine at ABSMC since 2008. Integrating Chinese Medicine into conventional oncology practice, Dr. Matecki and her team not only provide clinical care but also present and publish their findings on safety from using acupuncture and integrative medicine to reduce the pain, nausea and anxiety that frequently accompanies conventional cancer treatments. In many case level observations, Dr. Matecki and her team note that the integration of Chinese Medicine may enhance cancer patients' quality of life.
Dr. Matecki was the principal investigator (PI) for acupuncture research for chronic post-chemotherapy fatigue in collaboration with Memorial Sloan-Kettering Cancer Center in New York. She presented her study on the safety of acupuncture for patients with lymphedema at the American Society of Clinical Oncology Breast Cancer Symposium in October 2009. She was co-investigator in a public hospital that studied acupuncture feasibility for Intensive Care Unit (ICU) patients which was published in the Journal of Alternative and Complementary Medicine (JACM) in 2017. She is the current PI for a Chinese herbal medicine research project at ABSMC. Following her team’s previous success at Highland hospital, she pioneered the first Sutter Bay Hospital Integrative Medicine TCM Residency training program at Alta Bates Summit Medical Center in 2023. https://vitals.sutterhealth.org/east-meets-west-health-system-launches-its-first-traditional-chinese-medicine-clinical-training-program/
Dr. Matecki is an Adjunct Clinical Faculty at Stanford Health Care, a member of the American Society of Clinical Oncology (ASCO), Society of Integrative Oncology (SIO); Fellow of the American College of Physicians (FACP); Co-founder of International Center for Integrative Medicine (ICIM); Board member of Society of Chinese American Physician Entrepreneurs (SCAPE); House delegate for California Medical Association (CMA). Matecki is currently serving on the State California Acupuncture Board, first appointed by Governor Jerry Brown in 2016, reappointed by Brown in 2017 and Governor Gavin Newsom in 2021. She served as the California Acupuncture Board President from 2017-2021 and the current board member. https://www.acupuncture.ca.gov/about_us/member_profiles.shtml#matecki . She continues to work on policy and safety guidelines for hospital-based Acupuncture and Integrative Medicine practice with a multidisciplinary team of physicians, nursing staff, acupuncturists and hospital administrators. -
Frederick Mihm, M.D.
Professor of Anesthesiology, Perioperative and Pain Medicine (Critical Care)
Current Research and Scholarly InterestsDr. Mihms two areas of research interest involve cardiorespiratory monitoring techniques and applications and the perioperative management of patients with pheochromocytoma.
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Dr. Brita M Mittal, MD, FASA
Clinical Associate Professor, Anesthesiology, Perioperative and Pain Medicine
Current Research and Scholarly InterestsHead & Neck Anesthesiology
Advanced Airway Management
Epidermolysis Bullosa
Space Medicine -
Garret K. Morris, MD
Clinical Assistant Professor, Anesthesiology, Perioperative and Pain Medicine
BioDr. Morris is a board-certified, fellowship-trained anesthesiologist with a clinical focus on pain medicine. He is also a clinical assistant professor in the Division of Pain Medicine of the Department of Anesthesiology, Perioperative, and Pain Medicine at Stanford University School of Medicine. Dr. Morris has expertise in chronic pain management, inpatient pain management, spine care, and functional restoration.
He treats a wide range of pain conditions including musculoskeletal, neuropathic, visceral and mixed. With each patient in his care, Dr. Morris’ objective is to alleviate suffering using the treatment approach that is most likely to maximize effectiveness and minimize risk. The focus is on using the least invasive interventions possible to improve each individual’s function and quality of life.
To help achieve these goals, Dr. Morris takes a holistic approach encompassing six domains of pain management: pharmacological, interventional, behavioral/psychological, physical rehabilitative, alternative and complementary therapies, and self-management. Often this approach requires a multidisciplinary team of diverse professionals with Dr. Morris overseeing care planning, implementation, and follow-up. This is especially helpful for challenging cases, where a collaborative team-based approach affords greater potential for superior outcomes.
Dr. Morris communicates closely with referring physicians to devise holistic pain management that fits holistically into each patient’s comprehensive care plan.
Dr. Morris has authored articles and reviews in publications including Anesthesiology, Regional Anesthesia and Pain Medicine, American Society for Artificial Organs Journal, Cancer Detection and Prevention, and the Journal of Orthopedics & Sports Physical Therapy. He also has contributed the chapter “Occipital Nerve Block” in the textbook Comprehensive Treatment of Chronic Pain by Medical, Interventional, and Behavioral Approaches published by the American Academy of Pain Medicine. In addition, Dr. Morris has contributed online content on postoperative pain relief to the electronic forum, The Stanford Anesthesia Informatics and Media Lab (AIM).
He has made presentations at conferences including the American Society of Anesthesiology Annual Meeting and the Annual Rochester (New York) Regional Anesthesia Symposium. He also has delivered invited lectures, most recently on interventional techniques for the treatment of spinal disorders as part of the Excellus Blue Cross Blue Shield Project.
Dr. Morris’ honors for clinical practice include awards from Advocate Illinois Masonic Medical Center. He has received recognition for his scholarship from the Dannemiller Memorial Education Foundation and Midwest Anesthesia Resident’s. -
Sesh Mudumbai
Associate Professor of Anesthesiology, Perioperative and Pain Medicine (MSD)
Current Research and Scholarly InterestsDr. Mudumbai’s research interests focus on 1) optimizing therapeutic strategies and reducing adverse outcomes related to medication management, particularly opioids; and 2) measuring and improving the quality of perioperative and pain management.
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Andrea Murray
Clinical Associate Professor, Anesthesiology, Perioperative and Pain Medicine
BioAndrea Murray, MD is currently a Clinical Associate Professor for the Department of Anesthesia, Perioperative and Pain Medicine at Stanford University and is board-certified in Pediatric Anesthesiology, Internal Medicine, and in Pediatrics. Her interests include sustainable models in global health, regional anesthesia, simulation, and immersive technology for reduction of perioperative anxiety. She is deeply passionate about medical education and is dedicated to mentoring the next generation of physicians.
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Manchula Navaratnam
Clinical Professor, Anesthesiology, Perioperative and Pain Medicine
BioDr. Manchula Navaratnam is a Clinical Professor of Anesthesiology, Perioperative, and Pain Medicine at Stanford University, specializing in Pediatric Cardiac Anesthesia. With over 16 years of expertise in the perioperative care of pediatric patients with complex cardiac conditions, Dr. Navaratnam serves as the anesthesiology lead for pediatric cardiac transplantation, ventricular assist devices, single ventricle physiology and perioperative hemostasis management.
Dr. Navaratnam’s research includes pivotal work on left ventricular outflow tract velocity time integral (LVOT VTI) as a measure of ventricular function, now widely utilized at Stanford Children’s Hospital. Dr Navaratnam has led multidisciplinary clinical studies to improve care for single ventricle physiology patients, developed standardized pathways for perioperative hemostasis management, and recently contributed to an FDA-funded multicenter trial investigating pulse oximetry accuracy in congenital heart disease patients with darker skin tones.
As a dedicated mentor and educator, Dr. Navaratnam founded and directs the Pediatric Cardiac Anesthesia Learning (PCAL) workshop for fellows nationwide and leads Stanford’s undergraduate course, “Mending a Broken Heart.” Dr Navaratnam's mentorship has supported numerous trainees and collaborators, resulting in award-winning presentations and impactful research contributions. Dr. Navaratnam is an associate editor for Pediatric Anesthesia, an active peer reviewer for leading journals, a coach and board member for the Congenital Cardiac Anesthesia Society, and an active contributor to national committees and task forces advancing faculty development and the field of pediatric cardiac anesthesia.
Dr. Navaratnam's mission is providing exceptional and compassionate patient care while training the next generation of leaders in the field. -
Jordan L. Newmark, MD, QME
Adjunct Clinical Associate Professor, Anesthesiology, Perioperative and Pain Medicine
Current Research and Scholarly InterestsClinical Interests:
Chronic & perioperative pain, interdisciplinary & procedural pain treatment, trauma anesthesia, spine surgery anesthesia, CRPS, nerve injury
Academic Interests:
- Graduate & undergraduate medical education, medical simulation & immersive learning, performance assessment & evaluation, adult learning theory, clinician selection processes, patient safety & quality of care, health equity -
Teresa Phuongtram Nguyen
Clinical Assistant Professor, Anesthesiology, Perioperative and Pain Medicine
BioDr. Teresa Nguyen is a physician in Anesthesiology at Stanford Medicine and affiliated faculty at the Stanford Institute of Human Centered Artificial Intelligence (HAI). She is passionate about medical innovation and is committed to advancing science education and mentorship. Her research is focused on the intersection of AI, robotics, and medicine. She is co - Principle Investigator through the Stanford HAI, in collaboration with the Department of Computer Science. on research efforts for the development and application of AI-enabled quadruped robots to improve patient outcomes. Her research in AI also focuses on the applications of large language models in healthcare and subsequent impacts on society. She is the instructor for Chem 93: "Chemistry Unleashed: Exploring the Chemistry that Transforms Our World" at the Stanford Department of Chemistry and is a helicopter pilot.
Dr. Nguyen completed her Bachelor of Science degree in Chemistry at Stanford University, where she was awarded a U.S. Department of State Critical Language Scholarship in Arabic and the Bing Fellowship for her research in Chemistry. She then became a Scientific Researcher at Genentech, where she co-invented and patented a series of drugs for the potential treatment of chronic and neuropathic pain. She attended and received her MD from Stanford University School of Medicine, where she was a Medical Scholars Research Fellow under the mentorship of Professor Carolyn Bertozzi (Nobel laureate in Chemistry 2022). She has published across several medical subspecialties, including head and neck surgery, rhinology, urology, and orthopedic surgery.
Dr. Nguyen is deeply passionate about diversity, equity, and inclusion initiatives. She is the founder of the Lighthouse Initiative, a nonprofit organization whose mission is to provide resources and mentorship to first-generation, low-income, and minority individuals, with a 100% success rate in aiding college admissions for its members. She is also the co-founder of Hands-On Robotics, a nonprofit organization which supports robotics initiatives and education. -
Daryl Oakes
Clinical Professor, Anesthesiology, Perioperative and Pain Medicine
BioDr Oakes is a Clinical Professor at Stanford School of Medicine with over 20 years of clinical experience in cardiothoracic anesthesiology. Dr. Oakes is Associate Dean of Post Graduate Medical Education and the Stanford Center of CME and Vice Chair of Clinical Educator Affairs in the Department of Anesthesiology.
The focus of her academic work has been the education and training of anesthesiologists at all levels of practice. In 2007 developed an education pathway for Stanford anesthesiology residents to learn perioperative echocardiography, one of the first programs of its kind nationally. She has since taught echocardiography to medical students, residents and fellows and lectures nationally on a range of topics related to transesophageal echocardiography, cardiothoracic anesthesiology, and medical education. In 2017, she was appointed Program Director of the Stanford Adult Cardiothoracic Anesthesiology Fellowship, and, under her 6 years of leadership, the program expanded from 4 fellows to 8 fellows and became widely recognized as one of the highest quality and most sought after programs nationally, consistently attracting a highly diverse group of fellowship candidates.
In 2018 Dr. Oakes was appointed Associate Dean of Postgraduate Medical Education and took over leadership of the Stanford Center of Continue Medical Education. Under her leadership the center has greatly expanded its programming and impact and Stanford CME is now universally regarded as the academic leader in continuing medical education. In addition to providing traditional meeting services and program accreditation, the office has taken the lead on several innovative educational programs including a statewide effort to that provided training to providers in over 1000 nursing homes on protecting their elderly residents from COVID, a virtual digital conference AI + Health reaching over 1000 participants, and several programs addressing health care disparities and justice, equity, diversity and inclusion efforts.
Dr. Oakes is a passionate mentor to both trainees and colleagues and has created multiple programs to support physician professional development including, the Stanford CME Physician Leadership Certificate Program, a 6-month cohort-based leadership training for aspiring and developing physician leaders. She also co-founded and chairs the SCA Women in Cardiothoracic Anesthesiology (WICTA) Special Interest Group and has been recognized for her work supporting women medical professionals with the 2021Women in Medicine (WIM) #SheForShe Award and the 2023 WICTA “SHE LEADS” Award. Dr. Oakes is a recognized leader in her field and elected member of the Association of University Anesthesiologists (AUA), a society of leaders in anesthesiology. -
Fernando Fabian Okonski
Clinical Assistant Professor, Anesthesiology, Perioperative and Pain Medicine
BioDr. Okonski is an anesthesiologist specializing in pediatric anesthesia, regional anesthesia and acute pain management. He comes to Stanford after two decades of experience working in a tertiary care private practice where he led the pediatric anesthesia team. Additionally, he was part of the adult cardiac anesthesia, echocardiography, regional anesthesia, and acute pain management teams.
Outside the hospital, global medicine is a priority, and Dr. Okonski has travelled extensively on medical mission trips throughout the globe. Finally, he has a special interest in marine mammal medicine, and he works regularly with veterinarians at the Marine Mammal Center in Sausalito providing anesthesia and research support for perioperative care of pinnipeds and cetaceans. -
Clemens Ortner
Clinical Professor, Anesthesiology, Perioperative and Pain Medicine
Current Research and Scholarly InterestsPoint of Care Ultrasound in Women diagnosed with severe Preeclampsia
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Einar Ottestad
Clinical Professor, Anesthesiology, Perioperative and Pain Medicine
Current Research and Scholarly InterestsI have a strong interest in ultrasound for chronic pain management for diagnostics as well as therapeutics. I also have strong interest in acute pain in the hospital setting, including post-operative as well as cancer pain.
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Anil K. Panigrahi, MD, PhD, FASA
Clinical Associate Professor, Anesthesiology, Perioperative and Pain Medicine
Clinical Associate Professor (By courtesy), PathologyBioDr. Anil Panigrahi is a Clinical Associate Professor in the Departments of Anesthesiology and, by courtesy, Pathology at Stanford University School of Medicine. Dual board-certified in Anesthesiology and Blood Banking/Transfusion Medicine, he maintains active clinical practice in both fields. He serves as Director of Patient Blood Management at Stanford Health Care, Chair of the Stanford Health Care Transfusion Committee, Medical Director of the Anesthesiology Perioperative Anemia Management Clinic, and Assistant Medical Director of the Stanford Health Care Transfusion Service. His academic and clinical leadership focuses on advancing perioperative blood management strategies to optimize outcomes in complex surgical patients.
A Phi Beta Kappa graduate of Duke University, Dr. Panigrahi received his M.D. and Ph.D. degrees from the University of Pennsylvania School of Medicine, where he was awarded the John G. Clark Prize for meritorious research. He completed residency training in Anesthesiology and fellowship in Blood Banking/Transfusion Medicine at Stanford University.
Dr. Panigrahi’s scholarly work spans immunology, transfusion safety, and patient blood management. He has authored numerous peer-reviewed publications, textbook chapters, including for Miller’s Anesthesia and the AABB Technical Manual, and national guidelines. He contributes nationally through service on multiple committees for the American Society of Anesthesiologists (ASA) and the Association for the Advancement of Blood and Biotherapies (AABB), and he is a frequent invited speaker at national and international meetings, including those of the ASA, AABB, and Society for the Advancement of Patient Blood Management (SABM).
