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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. Earl Cooper, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 731-2510
Dr. Earl Tso, M.D.
Los Angeles, CA · $115 in drug and device payments (2025) · (213) 253-2677
Dr. Ebrahim Mirakhor, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 423-5252
Dr. Eden Altwies
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-7375
Dr. Edgardo Francia, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Edith Flores, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-4073
Dr. Edward Cho, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 409-7556
Dr. Edward Hernandez, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 977-2121
Dr. Edward Quiming, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Edward Wang, MD
Los Angeles, CA · $20 in drug and device payments (2025) · (323) 783-4011
Dr. Eileen Park, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (202) 550-8050
Dr. Elena Rios, MD
Los Angeles, CA · $11,714 in drug and device payments (2025) · (310) 794-9718
Dr. Eleonora Fedonenko, M.D.
Los Angeles, CA · $389 in drug and device payments (2025) · Telehealth · (323) 655-0990
Dr. Elham Fakhre, M.D.
Los Angeles, CA · $126 in drug and device payments (2025) · (323) 461-9355
Dr. Elias Paikal, MD
Los Angeles, CA · $251 in drug and device payments (2025) · (213) 253-2677
Dr. Elie Gindi, MD
Los Angeles, CA · $265 in drug and device payments (2025) · (310) 553-5535
Dr. Elizabeth Asfaw, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 206-6232
Dr. Elizabeth Chun
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 409-7556
Dr. Elizabeth Ekpe
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 409-7556
Dr. Elizabeth Goodman, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-9809
Dr. Elizabeth Ko, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 391-7281
Dr. Elizabeth Ko
Los Angeles, CA · $153 in drug and device payments (2025) · (424) 338-8000
Dr. Elizabeth Sander, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 670-3255
Dr. Elizabeth Turner
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-8599
Dr. Elsa Hartwick, M.D.
Los Angeles, CA · $22 in drug and device payments (2025) · (213) 222-1300
Dr. Elysse Kristina Eusebio, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (440) 610-7648
Dr. Eman Abdallah, D.O.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 446-4400
Dr. Emery Chang, MD
Los Angeles, CA · $546 in drug and device payments (2025) · Telehealth · (310) 557-2273
Dr. Emilia Smushkovich, M.D
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 478-3711
Dr. Emilio Rodriguez Pena, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 541-1600
Dr. Emily Yuan, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-7556
Dr. Emmanuel Jung, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Emmanuel Magsino, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 319-4698
Dr. Emmeline Chan, M.D
Los Angeles, CA · $150 in drug and device payments (2025) · (626) 757-0683
Dr. Enoch Arhinful, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (424) 315-4802
Dr. Erica Kim, MD
Los Angeles, CA · $266 in drug and device payments (2025) · Telehealth · (310) 206-6232
Dr. Erica Miranda, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Eric Hsieh, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-5100
Dr. Eric Lee, MD
Los Angeles, CA · $74 in drug and device payments (2025) · Telehealth · (323) 857-3738
Dr. Eric Leung, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4892
Dr. Eric Mizrahi, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 567-7978
Dr. Eric Roberts, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 930-1332
Dr. Eric Sue, M.D.
Los Angeles, CA · $240 in drug and device payments (2025) · (310) 556-1800
Dr. Erie Boorman, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 481-0481
Dr. Erik Nuckols, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Erin Cook, M.D.
Los Angeles, CA · $19 in drug and device payments (2025) · Telehealth · (310) 206-8272
Dr. Erin Stone, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Esther Kang, MD
Los Angeles, CA · $19 in drug and device payments (2025) · Telehealth · (310) 206-6232
Dr. Esther Kim
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-6232
Dr. Esther Yi, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (833) 574-2273

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.