HealthcareDiscovery.AI / Doctors / California / San Marcos

Doctors in San Marcos, California

Data updated monthly · Last refresh September 2026

242 licensed providers practice in San Marcos across 43 specialties, and 34% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

242providers
43specialties
34%with industry payments

Specialties in San Marcos

Common questions

How many doctors practice in San Marcos, California?

242 licensed providers with active NPI records list a practice address in San Marcos, according to federal NPPES data refreshed monthly.

How many doctors in San Marcos received drug or device company payments?

82 of 242 providers in San Marcos (34%) 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.

Other cities in California

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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.