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Internal Medicine Doctors in California

Data updated monthly · Last refresh October 2026

17,715 Internal Medicine providers practice in California, including 4,245 (24%) offering telehealth. The largest concentration is in Los Angeles. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

17,715providers
4,245telehealth
Los Angelestop city

Internal Medicine by city in California

Choose a city to see providers there.

Internal Medicine in Los Angeles1,417 providers
Internal Medicine in San Francisco1,322 providers
Internal Medicine in San Diego970 providers
Internal Medicine in Sacramento602 providers
Internal Medicine in Oakland434 providers
Internal Medicine in San Jose433 providers
Internal Medicine in Stanford383 providers
Internal Medicine in Fresno339 providers
Internal Medicine in Torrance230 providers
Internal Medicine in Long Beach225 providers
Internal Medicine in Bakersfield210 providers
Internal Medicine in Loma Linda209 providers
Internal Medicine in Palo Alto189 providers
Internal Medicine in Anaheim188 providers
Internal Medicine in Orange188 providers
Internal Medicine in Riverside188 providers
Internal Medicine in Walnut Creek184 providers
Internal Medicine in Santa Monica170 providers
Internal Medicine in La Jolla161 providers
Internal Medicine in Roseville159 providers
Internal Medicine in Irvine155 providers
Internal Medicine in Beverly Hills152 providers
Internal Medicine in Santa Clara142 providers
Internal Medicine in Pasadena138 providers

Internal Medicine providers in California

Listed by city, largest first. 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. Etsemaye Agonafer, M.D., M.P.H, M.S.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 991-1985
Dr. Eugene Fishman, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 277-9126
Dr. Eun Kim, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Eun Yoon, M.D.
Los Angeles, CA · $20 in drug and device payments (2025) · (213) 480-1000
Dr. Eun Yun, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (213) 388-6000
Dr. Evangelia Kirimis, M.D.
Los Angeles, CA · $68 in drug and device payments (2025) · Telehealth · (310) 206-1214
Dr. Eve Guth, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-8682
Dr. Evelyn Chang, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 478-3711
Dr. Evelyn Curls, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 236-0157
Dr. Evelyne Leone, D.O
Los Angeles, CA · No drug or device payments recorded (2025) · (305) 282-6409
Dr. Evelyne Mindes, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 475-5574
Dr. Eyal Maidan, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 208-7777
Dr. Ezequiel Suarez, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 745-6106
Dr. Farah Abdi
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-8272
Dr. Farid Farid, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-6232
Dr. Farshid Fararooy, M.D.
Los Angeles, CA · $17 in drug and device payments (2025) · (323) 653-8622
Dr. Farzin Samadi, MD
Los Angeles, CA · $334 in drug and device payments (2025) · Telehealth · (310) 659-8080
Dr. Fatin Aylia, MD
Los Angeles, CA · $20 in drug and device payments (2025) · (323) 268-5000
Dr. Faysal Saab, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-6301
Dr. Felicia Chee, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (213) 896-0010
Dr. Felix Karp, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-7556
Dr. Fizza Mahmood, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 409-2324
Dr. Flora Liu, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 442-5100
Dr. Francesca Schlueter, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Frances Hetherington, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-3303
Dr. Francis Obi, D.O.
Los Angeles, CA · $325 in drug and device payments (2025) · Telehealth · (323) 233-9686
Dr. Francis Te, M.D.
Los Angeles, CA · $339 in drug and device payments (2025) · (213) 977-0511
Dr. Francis Yemofio, MD, MPH
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (213) 623-2225
Dr. Frank Flores, MD
Los Angeles, CA · $268 in drug and device payments (2025) · Telehealth · (833) 574-2273
Dr. Freddy Lim, M.D
Los Angeles, CA · $17 in drug and device payments (2025) · Telehealth · (323) 254-3884
Dr. Gagandeep Sandhu, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 783-6451
Dr. Gail Brockman, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 277-7571
Dr. Gary Sutter, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 236-0311
Dr. Gautham Meka, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 234-6300
Dr. Gayle Mitchell, M.D
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 523-2216
Dr. Geemee Chung, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 358-2300
Dr. Gemelia Holgado Aguilera, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 663-2100
Dr. Geoffrey Applebaum, MD
Los Angeles, CA · $29 in drug and device payments (2025) · Telehealth · (323) 857-2000
Dr. George Chaux, M.D.
Los Angeles, CA · $1,134 in drug and device payments (2025) · Telehealth · (310) 423-4685
Dr. George Fallieras, MD
Los Angeles, CA · $73 in drug and device payments (2025) · (504) 236-1562
Dr. George Fouladian, M.D.
Los Angeles, CA · $51 in drug and device payments (2025) · (323) 931-2020
Dr. George Fox, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 409-2324
Dr. George Ma, M.D.
Los Angeles, CA · $26 in drug and device payments (2025) · Telehealth · (213) 621-2998
Dr. George Mallouk, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. George Marks, MD
Los Angeles, CA · $255 in drug and device payments (2025) · (323) 906-0050
Dr. George Ngan, MD
Los Angeles, CA · $367 in drug and device payments (2025) · Telehealth · (213) 989-6959
Dr. George Suyat, MD, MPH
Los Angeles, CA · $14 in drug and device payments (2025) · (213) 413-8836
Dr. George Tran
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-6232
Dr. George Yen, MD
Los Angeles, CA · $234 in drug and device payments (2025) · Telehealth · (310) 206-0644
Dr. Georgia Lill
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-9111

Conditions Internal Medicine providers in 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 California?

There are 17,715 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. 4,245 of the 17,715 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 (1,417), San Francisco (1,322), San Diego (970) have the highest concentration of Internal Medicine providers in California.

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

5,614 of 17,715 Internal Medicine providers in California (32%) 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 California treat?

Internal Medicine providers 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 counts and profiles 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.

Do most Internal Medicine Doctors in California work in independent practices or large health systems?

Among 10,847 Internal Medicine Doctors in California enrolled in Medicare, 20% bill through a solo or small practice with fewer than 10 clinicians, 12% through a mid-size group of 10 to 99, and 67% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Internal Medicine Doctors in California work at?

According to CMS facility affiliation records, the California hospitals where the most Internal Medicine Doctors hold privileges are Stanford Health Care in Stanford; UCSF Medical Center in San Francisco; Ronald Reagan UCLA Medical Center in Los Angeles.

Related reading on HealthcareDiscovery.AI

Internal Medicine in all 50 states Search all 17,715 in the directory Ask Zach for help choosing

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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. Are you a Internal Medicine in California? Get featured.