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Internal Medicine in California

Data updated monthly · Last refresh August 2026

17,640 Internal Medicine providers practice in California, including 4,225 (24%) offering telehealth. The largest concentration is in Los Angeles. Profiles include Medicare quality scores where available.

17,640providers
4,225telehealth
Los Angelestop city

Internal Medicine providers by city in California

Los Angeles1,397 providers
San Francisco1,309 providers
San Diego940 providers
Sacramento595 providers
Oakland432 providers
San Jose421 providers
Stanford354 providers
Fresno327 providers

Highest rated Internal Medicine providers in California

Dr. Stefan Ruehm, MD
Los Angeles, CA · Quality score 100/100 · (310) 301-6800
Dr. Brian Lim, M.D.
Sacramento, CA · Quality score 100/100 · Telehealth · (916) 734-3751
Dr. James Mitchell, MD
Ventura, CA · Quality score 100/100 · (805) 585-3086
Dr. Eunice Rhee, D.O.
Fallbrook, CA · Quality score 100/100 · Telehealth · (760) 728-9560
Dr. Amanuel Sima, M.D.
Beverly Hills, CA · Quality score 100/100 · Telehealth · (310) 855-0556
Dr. Hedeal Alsalihi, M.D.
Visalia, CA · Quality score 100/100 · (559) 735-0500
Dr. Assad Darawal, MD
Indio, CA · Quality score 100/100 · Telehealth · (760) 342-8005
Dr. Paul Morin, M.D.
Camarillo, CA · Quality score 100/100 · (805) 484-7448
Dr. Prem Salhotra, M.D.
Yucca Valley, CA · Quality score 100/100 · Telehealth · (760) 228-1929
Dr. Sudha Karupaiah, MD
San Jose, CA · Quality score 100/100 · Telehealth · (408) 279-1400
Dr. Russell Klein, MD
Newport Beach, CA · Quality score 100/100 · (949) 274-8030
Dr. Jada Ma, M.D.
Cerritos, CA · Quality score 100/100 · (562) 229-0902
Dr. Chris Tsuneishi, M.D.
Torrance, CA · Quality score 100/100 · (310) 543-1050
Dr. Farzaneh Mohammadi, M.D.
North Highlands, CA · Quality score 100/100 · (916) 454-2345
Dr. Henri Atkinson, MD
Inglewood, CA · Quality score 100/100 · (323) 778-2642
Dr. William Klein, MD
Newport Beach, CA · Quality score 100/100 · (949) 274-8030
Dr. Anthony Bernens, MD
Walnut Creek, CA · Quality score 100/100 · Telehealth · (925) 952-5545
Dr. Ajit Khaira, MD
Fresno, CA · Quality score 100/100 · (559) 233-0933
Dr. Chau Ngo, M.D.
Laguna Beach, CA · Quality score 100/100 · (949) 494-0761
Dr. Marjan Chegounchi, MD
Inglewood, CA · Quality score 100/100 · Telehealth · (310) 671-6364

Common questions

How many Internal Medicine providers are in California?

There are 17,640 Internal Medicine providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Do Internal Medicine providers in California offer telehealth?

Yes. 4,225 of the 17,640 Internal Medicine providers in California (about 24%) report offering telehealth services in CMS data.

Which cities in California have the most Internal Medicine providers?

Los Angeles (1,397), San Francisco (1,309), San Diego (940) have the highest concentration of Internal Medicine providers in California.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files, including MIPS quality scores where available. The directory refreshes monthly.

Related reading on HealthcareDiscovery.AI

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Sources: NPPES (CMS), Doctors and Clinicians national files, MIPS. Updated monthly. This directory is informational and not medical advice. Are you a Internal Medicine in California? Get featured.