HealthcareDiscovery.AI / Doctors / California / San Marcos / Family Medicine

Family Medicine in San Marcos, California

Data updated monthly · Last refresh September 2026

47 Family Medicine providers practice in San Marcos, and 60% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Family Medicine providers in San Marcos

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. Alan Krystal
San Marcos, CA · No drug or device payments recorded (2025) · (760) 591-9975
Dr. Alejandro Soto, M.D.
San Marcos, CA · No drug or device payments recorded (2025) · (760) 736-6767
Dr. Alexander Eller, M.D.
San Marcos, CA · No drug or device payments recorded (2025) · (833) 574-2273
Dr. Amy Trewella, MD
San Marcos, CA · No drug or device payments recorded (2025) · (760) 291-6700
Dr. Benny Martin, DO
San Marcos, CA · $47 in drug and device payments (2025) · (800) 290-5000
Dr. Caitlin Bradshaw, DO
San Marcos, CA · No drug or device payments recorded (2025) · (760) 806-5700
Dr. Chelsea Hodgkiss-harlow, M.D.
San Marcos, CA · No drug or device payments recorded (2025) · (800) 290-5000
Dr. Cheng Lee, M.D.
San Marcos, CA · $15 in drug and device payments (2025) · Telehealth · (866) 228-2236
Dr. Chih-wen Shi, MD
San Marcos, CA · No drug or device payments recorded (2025) · (760) 736-6700
Dr. Christopher Cutter, MD
San Marcos, CA · $107 in drug and device payments (2025) · Telehealth · (619) 528-5000
Dr. Claudia Rocha, MD
San Marcos, CA · $17 in drug and device payments (2025) · (760) 736-6767
Dr. Corinne Giesemann, MD
San Marcos, CA · $150 in drug and device payments (2025) · (760) 591-0955
Dr. Curtis Buck, D.O.
San Marcos, CA · No drug or device payments recorded (2025) · (800) 290-5000
Dr. Desty Manzo-chua, M.D.
San Marcos, CA · No drug or device payments recorded (2025) · (760) 744-4535
Dr. Devarshi Nath, MD
San Marcos, CA · $15 in drug and device payments (2025) · (760) 736-6703
Dr. Devesh Vashishtha, MD
San Marcos, CA · No drug or device payments recorded (2025) · Telehealth · (760) 736-6767
Dr. Don Palencia, D.O.
San Marcos, CA · No drug or device payments recorded (2025) · (760) 280-2230
Dr. Haley Morton, MD
San Marcos, CA · $202 in drug and device payments (2025) · Telehealth · (760) 806-5700
Dr. Imran Ahmed, MD
San Marcos, CA · $97 in drug and device payments (2025) · Telehealth · (760) 806-5700
Dr. Isela Penunuri, MD
San Marcos, CA · $473 in drug and device payments (2025) · (760) 291-6700
Dr. Jackie Lui, DO
San Marcos, CA · $23 in drug and device payments (2025) · Telehealth · (760) 806-5700
Dr. Jonathan Trinh, MD
San Marcos, CA · $27 in drug and device payments (2025) · (760) 736-6767
Dr. Julie Matias, D.O.
San Marcos, CA · $178 in drug and device payments (2025) · (760) 736-6767
Dr. Kaden Willie, D.O.
San Marcos, CA · $296 in drug and device payments (2025) · (760) 736-6767
Dr. Kathryn Mchenry, D.O.
San Marcos, CA · $78 in drug and device payments (2025) · Telehealth · (833) 867-4642
Dr. Ledesma Mangubat, MD
San Marcos, CA · $26 in drug and device payments (2025) · (619) 528-5000
Dr. Liliana Alvarez-martinez, MD
San Marcos, CA · $32 in drug and device payments (2025) · (760) 736-8810
Dr. Luis Esquenazi, M.D.
San Marcos, CA · No drug or device payments recorded (2025) · (800) 290-5000
Dr. Massud Weiss
San Marcos, CA · No drug or device payments recorded (2025) · (833) 574-2273
Dr. Midori Rivera, M.D.
San Marcos, CA · $19 in drug and device payments (2025) · Telehealth · (760) 806-5700
Dr. Mohammad Hamideh, DO
San Marcos, CA · No drug or device payments recorded (2025) · (760) 736-6767
Dr. M Peters, M.D
San Marcos, CA · No drug or device payments recorded (2025) · (800) 290-5000
Dr. Oksana Hirniak, D.O.
San Marcos, CA · $844 in drug and device payments (2025) · (760) 291-6700
Dr. Omar Salamanca, M.D.
San Marcos, CA · $106 in drug and device payments (2025) · (760) 736-6767
Dr. Paul Simon, MD
San Marcos, CA · No drug or device payments recorded (2025) · (760) 736-6767
Dr. Peter Novota, M.D.
San Marcos, CA · $866 in drug and device payments (2025) · (760) 736-6767
Dr. Saeed Afaneh, MD
San Marcos, CA · $114 in drug and device payments (2025) · Telehealth · (760) 806-5700
Dr. Simon Tanksley, MD
San Marcos, CA · $63 in drug and device payments (2025) · Telehealth · (619) 528-5000
Dr. Stephanie Posadas, DO
San Marcos, CA · $183 in drug and device payments (2025) · Telehealth · (760) 806-5700
Dr. Steven Bates, MD
San Marcos, CA · $174 in drug and device payments (2025) · (760) 750-4915
Dr. Steven Sherman, M.D.
San Marcos, CA · No drug or device payments recorded (2025) · (619) 528-5000
Dr. Suhail Jafrey, MD
San Marcos, CA · No drug or device payments recorded (2025) · (442) 222-1514
Dr. Susan Staub, FNP
San Marcos, CA · No drug or device payments recorded (2025) · (760) 736-6780
Dr. Thays Novikoff, M.D.
San Marcos, CA · $15 in drug and device payments (2025) · (760) 510-5706
Dr. Veronica Reyes, MD
San Marcos, CA · $135 in drug and device payments (2025) · Telehealth · (760) 745-5700
Dr. Wais Alemi, MD
San Marcos, CA · $62 in drug and device payments (2025) · Telehealth · (760) 736-6767
Dr. Zariah Chappell, MD
San Marcos, CA · $23 in drug and device payments (2025) · Telehealth · (760) 806-5700

Conditions Family Medicine providers in San Marcos, 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 San Marcos, California?

There are 47 Family Medicine providers with active NPI records practicing in San Marcos, according to federal NPPES data refreshed monthly.

How many Family Medicine providers in San Marcos received drug or device company payments?

28 of 47 (60%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Family Medicine providers in San Marcos treat?

Family Medicine providers in San Marcos 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 San Marcos 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.