HealthcareDiscovery.AI / Doctors / California / Los Altos / Family Medicine

Family Medicine in Los Altos, California

Data updated monthly · Last refresh September 2026

23 Family Medicine providers practice in Los Altos. Listings are drawn from federal public records and are not endorsements.

Family Medicine providers in Los Altos

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. Divya Viswanathan, M.D.
Los Altos, CA · No drug or device payments recorded (2025) · Telehealth · (650) 254-5200
Dr. Eric Matsumoto, M.D.
Los Altos, CA · No drug or device payments recorded (2025) · Telehealth · (650) 254-5200
Dr. Irene Lin
Los Altos, CA · No drug or device payments recorded (2025) · Telehealth · (650) 254-5200
Dr. Jennifer Tran
Los Altos, CA · $24 in drug and device payments (2025) · Telehealth · (650) 254-5200
Dr. Joycellen Floyd, MD
Los Altos, CA · No drug or device payments recorded (2025) · (650) 254-5200
Dr. Julia Marx, MD
Los Altos, CA · No drug or device payments recorded (2025) · Telehealth · (209) 603-8524
Dr. Karen Mcgann, MD
Los Altos, CA · No drug or device payments recorded (2025) · (650) 254-5200
Dr. Lawrence Aronson, MD
Los Altos, CA · No drug or device payments recorded (2025) · (650) 941-7757
Dr. Liane Bacal, M.D.
Los Altos, CA · No drug or device payments recorded (2025) · (650) 319-8577
Dr. Margaret Lo, M.D.
Los Altos, CA · No drug or device payments recorded (2025) · Telehealth · (650) 254-5200
Dr. Mehrdad Ayati, MD
Los Altos, CA · $32 in drug and device payments (2025) · (650) 808-0180
Dr. Melissa Stenberg, MD
Los Altos, CA · No drug or device payments recorded (2025) · Telehealth · (650) 254-5286
Dr. Michelle Engle, M.D.
Los Altos, CA · $62 in drug and device payments (2025) · Telehealth · (650) 498-9000
Dr. Nilufer Vesuna, MD
Los Altos, CA · No drug or device payments recorded (2025) · Telehealth · (650) 254-5200
Dr. Peter Brown, M.D.
Los Altos, CA · No drug or device payments recorded (2025) · Telehealth · (650) 941-4545
Dr. Rajan Patel, MD
Los Altos, CA · No drug or device payments recorded (2025) · (650) 964-6700
Dr. Romina Davarpanah
Los Altos, CA · No drug or device payments recorded (2025) · Telehealth · (650) 254-5200
Dr. Ruixuan Zhang, DO
Los Altos, CA · No drug or device payments recorded (2025) · Telehealth · (650) 254-5200
Dr. Shadia Karim
Los Altos, CA · $192 in drug and device payments (2025) · Telehealth · (650) 254-5200
Dr. Shiv Jain, MD
Los Altos, CA · No drug or device payments recorded (2025) · Telehealth · (650) 254-5200
Dr. Theresa Gavin, MD
Los Altos, CA · No drug or device payments recorded (2025) · (650) 254-5200
Dr. Tina Leung
Los Altos, CA · $125 in drug and device payments (2025) · Telehealth · (650) 254-5200
Dr. William Straw, MD
Los Altos, CA · No drug or device payments recorded (2025) · (650) 254-5200

Conditions Family Medicine providers in Los Altos, California commonly treat

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

Common questions

How many Family Medicine providers are in Los Altos, California?

There are 23 Family Medicine providers with active NPI records practicing in Los Altos, according to federal NPPES data refreshed monthly.

What conditions do Family Medicine providers in Los Altos treat?

Family Medicine providers in Los Altos commonly treat annual physicals, high blood pressure, type 2 diabetes, preventive care, minor injuries 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 Los Altos Family 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.