School of Medicine


Showing 251-260 of 281 Results

  • Nguyen K. Tran

    Nguyen K. Tran

    LGBTQ+ Health Research Biostatistician/Epidemiologist, Obstetrics & Gynecology - General GYN

    BioNguyen K. Tran (he/him), PhD, MPH is a social epidemiologist with The PRIDE Study at Stanford University School of Medicine. In his current role, he applies his training in epidemiology, data science, and causal inference to conduct and support community-engaged research that addresses the health priorities of LGBTQIA+ communities, with the goal of advancing health equity for these populations. Substantively, this work focuses on the social and structural influences on healthcare access, mental health, and infectious diseases. Methodologically, he is interested in epidemiologic and statistical approaches for reducing bias in observational research.

  • Nichole Tyson MD

    Nichole Tyson MD

    Clinical Professor, Obstetrics & Gynecology

    BioNichole Tyson MD is a Clinical Professor of Obstetrics and Gynecology at Stanford University School of Medicine. She specializes in Pediatric and Adolescent Gynecology (PAG). For over 20 years, Dr. Tyson has partnered with girls and their families as they journey from childhood through adolescence and into adulthood. Dr. Tyson enjoys solving complex problems as well as common concerns that can be overlooked and challenging to girls and young women. She is been recognized locally, nationally and internationally a leader in the field and skilled and experienced surgeon caring for patients with endometriosis, adnexal masses and variations in urogenital anatomy.
    As a Pediatric and Adolescent Gynecologist, she specializes in problems such as abnormal periods, hormone management and adolescent contraception in people with underlying medical conditions, pelvic masses, differences of sex development and complex utero-vaginal anatomy.
    She has been a leader on a number of national medical committees, including Vice President of the North American Society of Pediatric and Adolescent Gynecology (NASPAG), immediate past-chair of the American Association of Gynecologic Laparoscopy (AAGL) Pediatric and Adolescent Gynecology special interest group and associate member of the Contraception Committee for the International Federation of Gynecology and Obstetrics (FIGO). She is an active contributor to the peer reviewed literature in pediatric and adolescent gynecology, obstetrics and gynecology, contraception and laparoscopic surgery. Dr. Tyson also has extensive experience with the consumer press as an adolescent gynecology expert for numerous online articles in such magazines as Seventeen, Self and NY Times.
    She is the Chief of Pediatric and Adolescent Gynecology at Stanford Children's Hospital and the Director of Mentorship and Coaching for the Ob/Gyn Department. She is passionate about teaching, mentorship and coaching, working closely with medical students, residents and fellows. She is an innovator in education, both developing and and implementing numerous curricula in Gynecology, Pediatric Adolescent Gynecology, Simulation education, Surgical Coaching and Leadership and Professionalism. She is currently working as a chief editor for two PAG textbooks-one titled PAG essentials and the other, the first ever PAG surgical textbook, both due for publication in 2024-2025.

  • Amy Voedisch

    Amy Voedisch

    Clinical Associate Professor, Obstetrics & Gynecology - General

    BioDr. Voedisch was born and raised in a small town in Minnesota. She received a BA from Macalester College and attended Mayo Medical School. She completed a residency in Obstetrics and Gynecology at Kaiser Permanent Santa Clara and a Fellowship in Family Planning at Stanford School of Medicine. She also has a Masters in Epidemiology and Clinical Science Research from Stanford University. Dr. Voedisch is passionate about providing comprehensive reproductive healthcare to all women at any stage in their lives. She specializes in contraception, family planning, early pregnancy management and menopause. Dr. Voedisch has a particular interest in international healthcare and serves as a consultant through the Stanford Program for International Reproductive Education and Services (SPIRES), providing medical education and quality assurance in family planning internationally. She also is a member of the Bay Area Leadership Council for the International Women's Health Coalition. Dr. Voedisch believes strongly in shared-decision making between patients and their physicians in order to help all patients reach their health goals.

  • John Wachtel

    John Wachtel

    Clinical Professor, Obstetrics & Gynecology - General

    BioDr. Wachtel has been practicing general obstetrics and gynecology for 38 years and has personally delivered over 6,000 babies. He continues to have an active practice in general ob/gyn, serving as a Clinical Professor. He is a nationally recognized expert in patient safety, peer review and data driven quality improvement and has served numerous roles in the field and lectured nationally and internationally. Dr. Wachtel is the Assistant Secretary for the American College of Obstetricians and Gynecologists (ACOG) and currently serves on the ACOG National Executive Board and Executive Committee. He is the immediate Past Chair for ACOG District IX (the state of California) and also previously served for three years on the ACOG national Executive Board. He also serves on the Executive Committee for the California Maternal Quality Care Collaborative and is an Expert Medical Reviewer for the Medical Board of California.