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Infectious Disease in California

Data updated monthly · Last refresh August 2026

1,119 Infectious Disease providers practice in California, including 329 (29%) offering telehealth. The largest concentration is in Los Angeles. Profiles include Medicare quality scores where available.

1,119providers
329telehealth
Los Angelestop city

Infectious Disease providers by city in California

Los Angeles142 providers
San Francisco104 providers
San Diego75 providers
Stanford58 providers
Sacramento53 providers
Torrance26 providers
Orange24 providers
Fresno19 providers

Highest rated Infectious Disease providers in California

Dr. Brett Laurence, MD
Sacramento, CA · Quality score 100/100 · Telehealth · (916) 325-1040
Dr. Angela Gomez-simmonds, M.D.
Sacramento, CA · Quality score 100/100 · (530) 752-8294
Dr. Ming Tan, M.D.
Irvine, CA · Quality score 100/100 · (949) 824-3397
Dr. Sun Park, M.D.
Los Angeles, CA · Quality score 100/100 · Telehealth · (323) 442-5100
Dr. Ranjani Kalyan, M.D.
Roseville, CA · Quality score 100/100 · (916) 786-7498
Dr. Peter Heseltine, MD, FACP
Orange, CA · Quality score 100/100 · Telehealth · (714) 773-6702
Dr. Timothy Wilkin, MD
San Diego, CA · Quality score 100/100 · (800) 926-8273
Dr. Vinod Trivedi, MD
Sacramento, CA · Quality score 100/100 · Telehealth · (916) 325-1040
Dr. Tulika Singh, M.D., M.S., AAHIVS
Orange, CA · Quality score 100/100 · (714) 456-8888
Dr. Donna Defreitas, M.D.
San Francisco, CA · Quality score 100/100 · (415) 750-5736
Dr. Rosa Andrade, MD
Orange, CA · Quality score 100/100 · Telehealth · (714) 456-7720
Dr. Douglas Cable, MD
Newport Beach, CA · Quality score 100/100 · (949) 574-2628
Dr. Catherine Diamond, MD
Orange, CA · Quality score 100/100 · Telehealth · (714) 456-8978
Dr. Thomas C Cesario, MD
Orange, CA · Quality score 100/100 · Telehealth · (714) 456-8978
Dr. Steven Park, MD
Orange, CA · Quality score 100/100 · Telehealth · (714) 456-8068
Dr. Dalilah Restrepo, MD
Fountain Valley, CA · Quality score 100/100 · (917) 376-0967
Dr. Donald N Forthal, MD
Orange, CA · Quality score 100/100 · Telehealth · (714) 456-8978
Dr. Tracy Zivin-tutela, MD
Fountain Valley, CA · Quality score 100/100 · (732) 705-7506
Dr. Shruti Gohil, M.D., M.P.H.
Orange, CA · Quality score 100/100 · (714) 456-7016
Dr. Meryl Perez, M.D.
Roseville, CA · Quality score 100/100 · Telehealth · (916) 679-3590

Common questions

How many Infectious Disease providers are in California?

There are 1,119 Infectious Disease providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Do Infectious Disease providers in California offer telehealth?

Yes. 329 of the 1,119 Infectious Disease providers in California (about 29%) report offering telehealth services in CMS data.

Which cities in California have the most Infectious Disease providers?

Los Angeles (142), San Francisco (104), San Diego (75) have the highest concentration of Infectious Disease 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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Related

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