HealthcareDiscovery.AI / Doctors / California / South San Francisco / Internal Medicine

Internal Medicine in South San Francisco, California

Data updated monthly · Last refresh September 2026

63 Internal Medicine providers practice in South San Francisco, and 11% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in South San Francisco

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. Sadhana Sonti, MD
South San Francisco, CA · No drug or device payments recorded (2025) · (650) 742-2000
Dr. Sally Yu, MD
South San Francisco, CA · No drug or device payments recorded (2025) · (650) 742-2000
Dr. Shandra Yoshimi, MD
South San Francisco, CA · No drug or device payments recorded (2025) · (650) 742-2000
Dr. Simrat Randhawa, MD
South San Francisco, CA · No drug or device payments recorded (2025) · (650) 742-2000
Dr. Stephen Howe, MD
South San Francisco, CA · No drug or device payments recorded (2025) · (650) 742-2000
Dr. Timothy Liao, MD
South San Francisco, CA · No drug or device payments recorded (2025) · Telehealth · (650) 742-2000
Dr. Timothy Puri, M.D.
South San Francisco, CA · No drug or device payments recorded (2025) · (650) 826-2945
Dr. Tom Vo, MD
South San Francisco, CA · $169 in drug and device payments (2025) · (650) 742-2000
Dr. Wendy Tseng, M.D., M.S.
South San Francisco, CA · No drug or device payments recorded (2025) · (650) 742-2000
Dr. William Chung, MD
South San Francisco, CA · No drug or device payments recorded (2025) · (650) 742-2000
Dr. Wing Ken Wong, DO
South San Francisco, CA · No drug or device payments recorded (2025) · (650) 742-2000
Dr. Yumi Taylor, MD
South San Francisco, CA · No drug or device payments recorded (2025) · Telehealth · (650) 777-4400
Dr. Zara Butte, MD
South San Francisco, CA · No drug or device payments recorded (2025) · (844) 838-3322

Conditions Internal Medicine providers in South San Francisco, California commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Internal Medicine providers are in South San Francisco, California?

There are 63 Internal Medicine providers with active NPI records practicing in South San Francisco, according to federal NPPES data refreshed monthly.

How many Internal Medicine providers in South San Francisco received drug or device company payments?

7 of 63 (11%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Internal Medicine providers in South San Francisco treat?

Internal Medicine providers in South San Francisco commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management and related conditions. Individual practices vary, so confirm with the provider before booking.

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 South San Francisco Internal 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.