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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. Katherine Leger, MD
Los Angeles, CA · $396 in drug and device payments (2025) · (323) 409-7184
Dr. Katherine Liang, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 409-1000
Dr. Katherine Loomis, MD
Los Angeles, CA · $479 in drug and device payments (2025) · (626) 318-0152
Dr. Katherine Stricker, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 274-3700
Dr. Kathleen Schweickhardt, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Kathryn Fogarty, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Katya Lavine, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-6232
Dr. Kayvon Solaimanpour, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (800) 872-2273
Dr. Kayvon Yadidi, D.O.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 408-8532
Dr. Keith Norris, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 668-4515
Dr. Keivan Golchini, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 276-7649
Dr. Kelley Chuang, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-7375
Dr. Kelly Cheung-warren, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-7375
Dr. Kelly Walsma, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-2622
Dr. Kemia Carlyle, D.O.,M.P.H.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 294-3449
Dr. Ken Dekitani
Los Angeles, CA · $56 in drug and device payments (2025) · (310) 267-7849
Dr. Kendra Becker, M.D., M..P.H.
Los Angeles, CA · $36 in drug and device payments (2025) · (310) 989-1320
Dr. Kenneth Burns, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Kenneth Ho, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 298-2540
Dr. Kenneth Kafka, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 888-7778
Dr. Kenneth Lue, D.O.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 226-7556
Dr. Kenneth Nudelman, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Kenneth Tran, DO
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-9111
Dr. Kenoye Uku, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Kent Tesoro, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 744-5235
Dr. Kevin Kao, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Kevin Kwak, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 821-2501
Dr. Kevin Pimstone, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 481-0481
Dr. Kevin Tai, DO
Los Angeles, CA · No drug or device payments recorded (2025) · (646) 593-0033
Dr. Kevin Yu, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 409-7556
Dr. Kexin Fang, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (833) 574-2273
Dr. Khalil Akimi, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (206) 979-0273
Dr. Khanhphong Trinh, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (424) 338-1000
Dr. Khin Ohn, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 808-1708
Dr. Khoi Tran, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Kianoush Shakib, MD
Los Angeles, CA · $176 in drug and device payments (2025) · (917) 669-7949
Dr. Kiarash Hosseinian, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Kiet Tran, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 617-8246
Dr. Kimberley Chan, MD
Los Angeles, CA · $139 in drug and device payments (2025) · (424) 291-2984
Dr. Kimberly Chan, M.D
Los Angeles, CA · $351 in drug and device payments (2025) · Telehealth · (213) 680-3990
Dr. Kimberly Kim, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Kimberly Lynch, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 478-3711
Dr. Kimberly Narain, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 794-4212
Dr. Kimberly Tilley, MD
Los Angeles, CA · $128 in drug and device payments (2025) · Telehealth · (323) 442-5900
Dr. Kim Dung Nguyen, MD
Los Angeles, CA · $28 in drug and device payments (2025) · (323) 783-4011
Dr. Kim-huong Tran, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Kinnar Bhavsar, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4892
Dr. Kin Wong, MD
Los Angeles, CA · $483 in drug and device payments (2025) · (213) 628-3300
Dr. Kira Watson, M.D., M.P.H
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-7556
Dr. Kira Xie, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (833) 334-6393

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

Related

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.