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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. Kandeel Judge, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 733-8713
Dr. Karen Grace Deaquino-corley, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 614-4450
Dr. Karen Zhou, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 688-2000
Dr. Karnjit Johl, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-7506
Dr. Karrie Berg, D.O.
Sacramento, CA · $249 in drug and device payments (2025) · Telehealth · (916) 781-1927
Dr. Karyn Mallya
Sacramento, CA · $121 in drug and device payments (2025) · (916) 733-3777
Dr. Katerina Christiansen, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 734-7777
Dr. Kathryn Newell, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 734-4843
Dr. Kaushik Ivaturi
Sacramento, CA · $993 in drug and device payments (2025) · Telehealth · (916) 453-4966
Dr. Kaveer Greywal, MD
Sacramento, CA · $1,739 in drug and device payments (2025) · (916) 734-3565
Dr. Kavya Babu, MD
Sacramento, CA · $297 in drug and device payments (2025) · (916) 734-5959
Dr. Keith Andrews, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 875-5701
Dr. Kenneth Zhou, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (510) 423-2160
Dr. Kevin Burnham, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 734-7087
Dr. Kevin Chiu, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-4597
Dr. Kevin Smith, D.O.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 454-2345
Dr. Kevin Vu, M.D
Sacramento, CA · $490 in drug and device payments (2025) · Telehealth · (916) 476-3008
Dr. Kevin Walsh, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 973-5000
Dr. Khanhphi Tran-vu
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-2737
Dr. Kimberly Fok
Sacramento, CA · No drug or device payments recorded (2025) · (916) 733-3777
Dr. Kingshuk Sharma, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 733-3333
Dr. Kiranjit Dhillon-kajla, DO
Sacramento, CA · $20 in drug and device payments (2025) · (916) 688-2000
Dr. Kirti Malhotra
Sacramento, CA · $45 in drug and device payments (2025) · (916) 734-2737
Dr. Krishna Smith, MD
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 688-2870
Dr. Kristen Kelley
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-2737
Dr. Kristen Robinson, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 973-5000
Dr. Kristy Mathes, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-7587
Dr. Kuo Hwang, DO
Sacramento, CA · No drug or device payments recorded (2025) · (916) 973-5000
Dr. Kurtis Moodie, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 733-3777
Dr. Kwan-keat Ang
Sacramento, CA · $25 in drug and device payments (2025) · (916) 734-2737
Dr. Kyi Zin, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 925-7010
Dr. Latifat Alli- Akintade, M.D
Sacramento, CA · No drug or device payments recorded (2025) · (310) 920-1507
Dr. Lauren Damon, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-2737
Dr. Lauren Gaffaney, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 702-2000
Dr. Lauren Kissinger, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 688-2000
Dr. Leah Roxas, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 973-5000
Dr. Leena Mehta, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 453-4966
Dr. Lemuel Vince Rivera
Sacramento, CA · No drug or device payments recorded (2025) · (926) 734-7506
Dr. Leslie Farmer, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 451-6590
Dr. Leslie Ha, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-2737
Dr. Lester Pan, M.D.
Sacramento, CA · $2,858 in drug and device payments (2025) · Telehealth · (916) 391-7200
Dr. Lia Angela Africa, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-2737
Dr. Liana Lianov, MD MPH
Sacramento, CA · No drug or device payments recorded (2025) · (916) 765-5116
Dr. Li-hon Chang, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 733-8713
Dr. Lily Chaput, MD,MPH
Sacramento, CA · No drug or device payments recorded (2025) · (530) 878-0685
Dr. Linda Woo, M.D.
Sacramento, CA · $19 in drug and device payments (2025) · Telehealth · (916) 734-7777
Dr. Linsey Bui
Sacramento, CA · $15 in drug and device payments (2025) · (916) 688-2000
Dr. Lionel Tan
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-7587
Dr. Lisa Chai, D.O.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 733-3777
Dr. Lisa Ho, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 734-7777

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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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.