HealthcareDiscovery.AI / Doctors / California / Napa / Internal Medicine

Internal Medicine in Napa, California

Data updated monthly · Last refresh September 2026

60 Internal Medicine providers practice in Napa, and 12% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Napa

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. Raissa Paredes, MD
Napa, CA · No drug or device payments recorded (2025) · (707) 253-5000
Dr. Robert Hopkins, MD, MPH & TM
Napa, CA · No drug or device payments recorded (2025) · (707) 254-1775
Dr. Rodolfo Pineda, MD
Napa, CA · No drug or device payments recorded (2025) · (707) 253-5000
Dr. Rony Kako, MD
Napa, CA · $41 in drug and device payments (2025) · Telehealth · (707) 257-1550
Dr. Roxana Mundy, MD
Napa, CA · No drug or device payments recorded (2025) · Telehealth · (707) 258-2500
Dr. Ruth Wilson, M.D.
Napa, CA · No drug or device payments recorded (2025) · Telehealth · (707) 255-3583
Dr. Scott Anderson, MD
Napa, CA · No drug or device payments recorded (2025) · (707) 253-5000
Dr. Sukhbir Singh, D.O.
Napa, CA · No drug or device payments recorded (2025) · (707) 253-5000
Dr. Wai-shing Ng, M.D.
Napa, CA · No drug or device payments recorded (2025) · (707) 253-5000
Dr. William Kocsis, MD
Napa, CA · No drug or device payments recorded (2025) · (707) 253-5000

Conditions Internal Medicine providers in Napa, 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 Napa, California?

There are 60 Internal Medicine providers with active NPI records practicing in Napa, according to federal NPPES data refreshed monthly.

How many Internal Medicine providers in Napa received drug or device company payments?

7 of 60 (12%) 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 Napa treat?

Internal Medicine providers in Napa 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 Napa Internal Medicine across California

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.