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Emergency Medicine in Stanford, California

Data updated monthly · Last refresh September 2026

164 Emergency Medicine providers practice in Stanford, and 9% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Emergency Medicine providers in Stanford

Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Erin Gillis, M.D.
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-9215
Dr. Fran Riley, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Gabrielle Bunney, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Graham Walker, M.D.
Stanford, CA · $308,707 in drug and device payments (2025) · (650) 723-4000
Dr. Grant Lipman, M.D
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Gregory Muller, DO
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Helen Lu, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Holly Caretta-weyer, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Ian Brown, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Ian Ferguson, D.O.
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. In-hei Hahn, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Italo Brown, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Jae-yeon Lee, MD
Stanford, CA · $45 in drug and device payments (2025) · (650) 723-4000
Dr. James Jacobs, M.D., PH.D.
Stanford, CA · No drug or device payments recorded (2025) · (650) 621-0851
Dr. James Marvel, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Jamie Everett, M.D.
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-9215
Dr. Jason Lowe, DO
Stanford, CA · No drug or device payments recorded (2025) · (650) 725-9445
Dr. Jennifer Kanapicki, MD
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Jennifer Newberry, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Jessica Ngo, M.D.
Stanford, CA · $288 in drug and device payments (2025) · (650) 723-9215
Dr. Jessica Singh, M.D.
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Jody Vogel, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. John Dayton, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. John Kendall, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. John Su, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Jonathan Vlahos, M.D.
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-9215
Dr. Joseph Becker, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Joshua Hughes, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Joshua Stein
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Julie Widdison, M.D.
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-9215
Dr. Kara Yeung, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Katherine Shea, M.D.
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-9215
Dr. Kayla Shipley
Stanford, CA · No drug or device payments recorded (2025) · (650) 725-9445
Dr. Kelly Roszczynialski, M.D.
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Kenton Anderson, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Ken Zafren, MD
Stanford, CA · $9,000 in drug and device payments (2025) · (650) 723-0000
Dr. Kimberly Schertzer, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-0000
Dr. Kristin Fontes, M.D.
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-9215
Dr. Laleh Gharahbaghian, MD
Stanford, CA · $3,150 in drug and device payments (2025) · (650) 723-4000
Dr. Larry Mo, M.D.
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-0063
Dr. Leonardo Aliaga, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Linn Lung, M.D.
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Luigi Di Stefano, M.D.
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-9215
Dr. Maame Yaa Yiadom, MD, MPH, MSCI
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Maia Winkel, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Marc Berenson, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Marc Gautreau, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Margie Teng, M.D.
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-9215
Dr. Martha Masters, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Mary Mercer, M.D.
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000

Common questions

How many Emergency Medicine providers are in Stanford, California?

There are 164 Emergency Medicine providers with active NPI records practicing in Stanford, according to federal NPPES data refreshed monthly.

How many Emergency Medicine providers in Stanford received drug or device company payments?

14 of 164 (9%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

All specialties in Stanford Emergency Medicine across California

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.