HealthcareDiscovery.AI / Doctors / California / Riverside / Adult Medicine

Adult Medicine in Riverside, California

Data updated monthly · Last refresh September 2026

4 Adult Medicine providers practice in Riverside. Listings are drawn from federal public records and are not endorsements.

Adult Medicine providers in Riverside

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. Charlotte Zane, M.D.
Riverside, CA · No drug or device payments recorded (2025) · (951) 785-2200
Dr. Edgar Russell, D.O.
Riverside, CA · No drug or device payments recorded (2025) · (951) 413-0964
Dr. Lawrence Sandberg, M.D.
Riverside, CA · No drug or device payments recorded (2025) · (951) 715-3445
Dr. Roger Annabel, MD
Riverside, CA · No drug or device payments recorded (2025) · (951) 351-1364

Common questions

How many Adult Medicine providers are in Riverside, California?

There are 4 Adult Medicine providers with active NPI records practicing in Riverside, according to federal NPPES data refreshed monthly.

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 Riverside Adult 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.