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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. Janet Whang, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-7644
Dr. Janet Yang, M.D., M.P.H.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 330-1648
Dr. Janina Cervera, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-9830
Dr. Janina Morrison, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 541-4063
Dr. Jan King, M.D., M.P.H.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 568-8701
Dr. Jared Goodman, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4892
Dr. Jarod Duvall, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (818) 461-8148
Dr. Jarred Reed, MD
Los Angeles, CA · $842 in drug and device payments (2025) · (310) 825-8307
Dr. Jarvis Gatlin, MD
Los Angeles, CA · $123 in drug and device payments (2025) · Telehealth · (323) 293-7171
Dr. Jasmine Berookim, M.D.
Los Angeles, CA · $387 in drug and device payments (2025) · (323) 783-1433
Dr. Jason Abdian, MD
Los Angeles, CA · $86 in drug and device payments (2025) · (213) 380-9999
Dr. Jason Coker, D.O.
Los Angeles, CA · No drug or device payments recorded (2025) · (626) 405-3697
Dr. Jason Elperin
Los Angeles, CA · No drug or device payments recorded (2025) · (833) 574-2273
Dr. Jatin Shah, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 744-5235
Dr. Javid Tavari, D.O.
Los Angeles, CA · $312 in drug and device payments (2025) · Telehealth · (310) 696-0100
Dr. Jay Bhatia
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 409-5050
Dr. Jaymie Baliwag
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 783-4516
Dr. Ja-yoon Choe, MD
Los Angeles, CA · $900 in drug and device payments (2025) · (213) 735-4048
Dr. Jay Shah, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-6232
Dr. Jeemin Kwon, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-6232
Dr. Jeffrey Brettler, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Jeffrey Canceko, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-5100
Dr. Jeffrey Goldsmith, MD
Los Angeles, CA · $19 in drug and device payments (2025) · Telehealth · (310) 458-2381
Dr. Jeffrey Harris, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 747-5039
Dr. Jeffrey Hirsch, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 551-6562
Dr. Jeffrey Kraut, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-9718
Dr. Jeffrey Liu, DO
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 857-2000
Dr. Jeffrey Shimoyama, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Jeffrey Siegel, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 857-2000
Dr. Jeffrey Toll, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 556-8898
Dr. Jenica Thangathurai
Los Angeles, CA · $21 in drug and device payments (2025) · (323) 226-7556
Dr. Jenice Cheah, MD
Los Angeles, CA · $99 in drug and device payments (2025) · (310) 825-7375
Dr. Jennifer Marks
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 442-5100
Dr. Jennifer Meinhardt, D.O.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 300-1059
Dr. Jennifer Nguyen, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 783-4892
Dr. Jennifer Oster, DO, MPH
Los Angeles, CA · No drug or device payments recorded (2025) · (424) 410-1736
Dr. Jennifer Plotkin, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 478-3711
Dr. Jennifer Yeung, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 825-6301
Dr. Jenny Banh, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (626) 378-6835
Dr. Jenny Friedland, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-6232
Dr. Jenny Hwang, M.D.
Los Angeles, CA · $135 in drug and device payments (2025) · (323) 222-0137
Dr. Jenny Yang, MD
Los Angeles, CA · $29 in drug and device payments (2025) · (323) 783-4011
Dr. Jeremy Fine, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 556-8898
Dr. Jerome Greenberg, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 794-9718
Dr. Jesse Sammons, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-3691
Dr. Jessica Cho, M.D.
Los Angeles, CA · $973 in drug and device payments (2025) · (310) 553-6494
Dr. Jessica Gould, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4892
Dr. Jessica Schneider, M.D.
Los Angeles, CA · $34 in drug and device payments (2025) · (323) 409-8252
Dr. Jessica Wong
Los Angeles, CA · $340 in drug and device payments (2025) · (323) 254-5221
Dr. Jessie Lyn Roraldo
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 226-7556

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.