Stanford University


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  • Ramsudha Narala

    Ramsudha Narala

    Clinical Assistant Professor, Ophthalmology

    BioDr. Ramsudha Narala is a board certified ophthalmologist who specializes in vitreoretinal surgery and ocular oncology. Dr. Narala grew up in Fresno, California and following high school, she attended the 8 year combined undergraduate-medical school program at Saint Louis University in Saint Louis, Missouri.

    After medical school, she completed her ophthalmology residency at Kresge Eye Institute in Detroit, MI, where she received the best resident teacher award and highest resident ophthalmic knowledge assessment program exam score award. She then joined the University of Southern California in Los Angeles, California for a 2 year vitreoretinal surgery fellowship where she was elected chief vitreoretinal surgery fellow. Following completion of vitreoretinal surgery fellowship, she pursued an advanced training fellowship in ocular oncology at Byers Eye Institute at Stanford University.

    Dr. Narala has authored many peer-reviewed scientific publications and textbook chapters on vitreoretinal diseases and ocular oncology. She is also dedicated to education and teaching medical students, residents, and fellows.

    Dr. Narala's clinical practice is mainly based at Santa Clara Valley Medical Center.

  • Amrita Narang

    Amrita Narang

    Clinical Associate Professor, Pediatrics - Gastroenterology

    BioMy clinical and research interests are in neonatal cholestatic liver diseases, including biliary atresia and fatty liver disease. I'm also highly experienced in liver transplant care, with a particular focus on teen and transition of care.

    In addition to my clinical and research work, I'm deeply committed to medical education and patient education. I believe that knowledge is power, and I strive to empower my patients and their families with the resources and information they need to make informed decisions about their care.

    As a physician, I'm dedicated to providing the highest level of care to my patients and their families. I believe that every child deserves the best possible chance at a healthy and fulfilling life, and I'm honored to play a role in helping them achieve that goal.

  • Diana Naranjo

    Diana Naranjo

    Clinical Professor, Pediatrics - Endocrinology
    Clinical Professor, Psychiatry and Behavioral Sciences - Child & Adolescent Psychiatry and Child Development

    BioAs a licensed clinical psychologist working in diabetes and Cystic Fibrosis clinics for the past 10 years, Dr. Naranjo focuses on the psychosocial needs of patients and families with diabetes and CF. Through clinical research, she aims to understand barriers and facilitators to diabetes self-management, how families and individuals with diabetes respond to health technology, and how to best provide services that engage youth and their families. She is a member of the Stanford Diabetes Research Center.

  • Sanjiv Narayan

    Sanjiv Narayan

    Professor of Medicine (Cardiovascular Medicine)

    Current Research and Scholarly InterestsDr. Narayan directs the Computational Arrhythmia Research Laboratory, whose goal is to define the mechanisms underlying complex human heart rhythm disorders, to develop bioengineering-focused solutions to improve therapy that will be tested in clinical trials. The laboratory has been funded continuously since 2001 by the National Institutes of Health, AHA and ACC, and interlinks a disease-focused group of clinicians, computational physicists, bioengineers and trialists.

  • Trishna Narula, MD, MPH

    Trishna Narula, MD, MPH

    Clinical Assistant Professor, Psychiatry and Behavioral Sciences

    BioDr. Narula is currently serving patients at Stanford's centerspace clinic, where she is also working to lead and launch a new South Asian program.

  • Eric Anthony Nash, MD

    Eric Anthony Nash, MD

    Clinical Assistant Professor, Otolaryngology (Head and Neck Surgery)

    BioDr. Eric Nash is a board-certified otolaryngologist with Stanford Health Care. He is also a clinical assistant professor in the Department of Otolaryngology – Head and Neck Surgery at Stanford University School of Medicine.

    Dr. Nash specializes in treating laryngeal and voice disorders and laryngeal, nasal, and ear disease; managing head and neck tumors; and performing surgery for sinus disorders.

    Dr. Nash’s research interests include spasmodic dysphonia (a voice disorder that causes involuntary spasms of the vocal cords) and treatments for voice disorders.

    Dr. Nash has published research in top scientific journals, including The Laryngoscope, Neurological Disease and Therapy, Otolaryngology–Head and Neck Surgery, and more.

    Dr. Nash is a member of the American Medical Association, California Otolaryngology Society, and American Academy of Otolaryngology–Head and Neck Surgery.

  • Aussama Nassar, MD, MSc,FACS, FRCSC

    Aussama Nassar, MD, MSc,FACS, FRCSC

    Clinical Associate Professor, Surgery - General Surgery

    BioDr. Nassar is board-certified in both General Surgery and Surgical Critical Care in the United States and Canada, underscoring his exceptional expertise in these fields. He holds a Master of Science in Health Science Education from McMaster University, Canada, further solidifying his strong academic foundation.

    Currently, Dr. Nassar serves as the inaugural Director of the Emergency General Surgery Service and the Director of the Surgical Critical Care Fellowship Program at Stanford University. He is also the founder and director of the Surgery Resident Coaching Program. With over 12 years of clinical and academic experience at premier tertiary care referral centers across North America, Dr. Nassar brings unparalleled knowledge and leadership to his roles.

    Dr. Nassar's clinical interests include trauma, acute care surgery, critical care, and a particular focus on abdominal wall reconstruction. As a dedicated clinician-educator, he is a certified simulation educator and serves as a course director for ATLS and ASSET programs. His research is centered on advancing surgical education, with an emphasis on fostering the development of non-technical skills in surgical training.

    In addition to his educational initiatives, Dr. Nassar is actively engaged in developing innovative assessment tools for surgical trainees and addressing burnout among physicians and healthcare professionals. With a strong national and international presence, Dr. Nassar continues to shape the future of surgical education and healthcare delivery through his leadership, research, and advocacy.

  • Kalpana Isabel Nathan

    Kalpana Isabel Nathan

    Adjunct Clinical Professor, Psychiatry and Behavioral Sciences

    BioKalpana Nathan, MD is an adjunct clinical professor, Psychiatry and Behavioral Sciences at the Stanford University School of Medicine. After completion of residency and research fellowship at Stanford, she served 4 years at the San Francisco General Hospital/UCSF, gaining experience in the areas of substance use, HIV and public health. She worked at Palo Alto VA for more than a couple of decades. She served as chief medical director at Mental Health and Addiction services, El Camino Health for two and a half years, and later was the Executive Medical Director of Custody Behavioral Health at Santa Clara County. She is a certified physician executive. She has worked and taught in various settings, both inpatient and outpatient, as well as private and public sectors. She is board certified in General, Addiction and Forensic Psychiatry, as well as Lifestyle Medicine. Her interests include wellness and self-care for physicians, women's health, health creation and resiliency building for the community. She is a certified meditation teacher, has completed sprint and Olympic triathlons, and enjoys traveling around the world. She received the outstanding community clerkship preceptor award in 2010 and the Arthur L. Bloomfield Award in Recognition of Excellence in the Teaching of Clinical Medicine in 2015 at the Stanford University School of Medicine.

    Recent Publications:
    1. Yen Li, M, Mata C, Nathan K: Is Life Unlivable for Youth in Post-DEI America?: Understanding Rising Suicide Rates Across Diverse Youth Groups Through Traditional Suicide Paradigms. Healthcare 2025 Oct, 13(20), 2585 https://doi.org/10.3390/healthcare13202585

    2. Tran BX, Nguyen TT, Boyer L, Fond G, Auquier P, Nguyen HSI,Ha Thi Nhi Tran HTN, Nguyen HM, Choi J, Le HT, Latkin CA, Nathan KI, Husain SF, et al: Differentiating people with schizophrenia from healthy controls in a developing country: An evaluation of portable functional near infrared spectroscopy (fNIRS) as an adjunct diagnostic tool. Frontiers of Psychiatry 2023 Jan 26; vol 14

    3. Tatum, J, Nathan, K: The USA. Lancet Psychiatry 2021, 8(5):365-366

    4. Nathan N & Nathan KI: Suicide, Stigma, and Utilizing Social Media Platforms to Gauge Public Perceptions. Front. Psychiatry 2020 January 13

    5. Tran BX, Nathan KI, Phan HT, Hall BJ, Vu GT et al: A Global Bibliometric Analysis of Services for Children Affected by HIV/Acquired Immune Deficiency Syndrome: Implications for Impact Mitigation Programs (GAPRESEARCH). AIDS Rev. 2019 Oct 3;21(3).

    6.Lee A, Nathan KI: Understanding Psychosis in a Veteran With a History of Combat and Multiple Sclerosis. Fed Pract. 2019 Jun;36(Suppl 4):S32-S35.

    7. Tran BX, Ha GH, Vu GT, Nguyen LH, Latkin CA, Nathan K, McIntyre RS, Ho CS, Tam WW, Ho RC: Indices of Change, Expectations, and Popularity of Biological Treatments for Major Depressive Disorder between 1988 and 2017: A Scientometric Analysis. Int J Environ Res Public Health. 2019 Jun 26;16(13)

  • Joe Nation

    Joe Nation

    Professor of the Practice of Public Policy

    BioJoe Nation is a Professor of the Practice of Public Policy at Stanford University, where he co-directs the graduate student Practicum in public policy and teaches policy courses on climate change, health care, and California state issues.

    His current research is focused on carbon markets and improving data-driven decisions by state governments. Nation is a Faculty Affiliate at Stanford’s Center on Longevity. He has consulted for RAND for more than 30 years since his graduation from the Pardee RAND Graduate School (PRGS) in 1989. Nation continues to direct State Statistics, a collection of socioeconomic statistical databases that was created at RAND in 1997.

    From 1992-2000, he served on the Marin Water Board, including two terms as President. From 2000-2006, he represented Marin and Southern Sonoma Counties in the California State Assembly. He was the principal co-author of AB 32, California’s Global Warmings Solutions Act and was selected as Legislator of the Year by a number of organizations.

  • Yasodha Natkunam, M.D., Ph.D

    Yasodha Natkunam, M.D., Ph.D

    Ronald F. Dorfman, MBBch, FRCPath Professor of Hematopathology

    Current Research and Scholarly InterestsMy research interests focus on the identification and characterization of markers of diagnostic and prognostic importance in hematolymphoid neoplasia.