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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. Babak Baradar-bokaie, MD
Lompoc, CA · $206 in drug and device payments (2025) · (805) 737-8700
Dr. Edith Foley, MD
Lompoc, CA · No drug or device payments recorded (2025) · (805) 737-6400
Dr. Gilbert Andersen, M.D.
Lompoc, CA · No drug or device payments recorded (2025) · (805) 736-1253
Dr. Howard Gregersen, M.D.
Lompoc, CA · No drug or device payments recorded (2025) · (805) 737-6400
Dr. Jennifer Vineyard, D.O.
Lompoc, CA · $41 in drug and device payments (2025) · (805) 736-1253
Dr. Kai Chin Jeng, MD
Lompoc, CA · No drug or device payments recorded (2025) · (805) 737-8700
Dr. Kareem Yostos, DO
Lompoc, CA · No drug or device payments recorded (2025) · (804) 320-3911
Dr. Khawar Gul, MD
Lompoc, CA · $1,951 in drug and device payments (2025) · (310) 733-7566
Dr. Noor Al-saud, MD
Lompoc, CA · No drug or device payments recorded (2025) · (805) 737-1169
Dr. Olesya Brissey, M.D.
Lompoc, CA · No drug or device payments recorded (2025) · Telehealth · (805) 737-8700
Dr. Robert Guerra, M.D.
Lompoc, CA · No drug or device payments recorded (2025) · (805) 737-6400
Dr. Rollin Bailey, M.D.
Lompoc, CA · $121 in drug and device payments (2025) · Telehealth · (805) 736-1253
Dr. Soumya Yeturi, MD
Lompoc, CA · No drug or device payments recorded (2025) · (805) 736-1253
Dr. Abdel Hafez Albakri, MD
Long Beach, CA · $100 in drug and device payments (2025) · (562) 933-2000
Dr. Adam Dost, D.O.
Long Beach, CA · No drug or device payments recorded (2025) · (310) 490-3855
Dr. Ahmed Khan, DO
Long Beach, CA · No drug or device payments recorded (2025) · (562) 997-2000
Dr. Akil Jackson
Long Beach, CA · No drug or device payments recorded (2025) · (562) 826-8000
Dr. Alast Ahmadi, MD
Long Beach, CA · No drug or device payments recorded (2025) · (888) 530-4415
Dr. Alexander Abary, MD
Long Beach, CA · No drug or device payments recorded (2025) · (562) 981-0732
Dr. Alexander Broumand, M.D.
Long Beach, CA · No drug or device payments recorded (2025) · (562) 491-9000
Dr. Alexander Redeagle, M.D., PH.D.
Long Beach, CA · No drug or device payments recorded (2025) · (568) 826-8000
Dr. Alexandria Lee, M.D.
Long Beach, CA · No drug or device payments recorded (2025) · Telehealth · (888) 663-6331
Dr. Alexis Amonic, MD
Long Beach, CA · No drug or device payments recorded (2025) · (562) 491-9140
Dr. Alice Yu, D.O., M.P.H.
Long Beach, CA · No drug or device payments recorded (2025) · (562) 826-8000
Dr. Alla Gartsman, M.D.
Long Beach, CA · No drug or device payments recorded (2025) · (562) 426-6571
Dr. Alvina Leung, M.D.
Long Beach, CA · No drug or device payments recorded (2025) · (562) 826-8000
Dr. Amit Parikh, M.D.
Long Beach, CA · No drug or device payments recorded (2025) · (562) 624-4999
Dr. Ana Uribe Wiechers, M.D.
Long Beach, CA · $23 in drug and device payments (2025) · (562) 491-9350
Dr. An-fu Hsiao, MD, PHD
Long Beach, CA · No drug or device payments recorded (2025) · (562) 826-8000
Dr. Angela Lamotte, M.D.
Long Beach, CA · $116 in drug and device payments (2025) · (562) 437-0373
Dr. Animesh Mahapatra, MD
Long Beach, CA · $51 in drug and device payments (2025) · (562) 491-9140
Dr. Anthony Vo, MD
Long Beach, CA · No drug or device payments recorded (2025) · (562) 826-8000
Dr. Antonio Topacio, MD
Long Beach, CA · $28 in drug and device payments (2025) · (562) 988-7000
Dr. Aparna Das, MD
Long Beach, CA · No drug or device payments recorded (2025) · Telehealth · (562) 426-3333
Dr. Archna Chaudhary, MD
Long Beach, CA · $761 in drug and device payments (2025) · Telehealth · (562) 988-2777
Dr. Ariel Rafie, MD
Long Beach, CA · No drug or device payments recorded (2025) · (562) 826-8000
Dr. Arleen Guerrero-nieva, M.D.
Long Beach, CA · $254 in drug and device payments (2025) · (562) 595-9835
Dr. Austin Larocca, MD
Long Beach, CA · No drug or device payments recorded (2025) · (856) 625-7337
Dr. Bao Joseph Vu
Long Beach, CA · $25 in drug and device payments (2025) · (562) 826-8000
Dr. Berge Bakamjian, DO
Long Beach, CA · No drug or device payments recorded (2025) · (562) 826-8000
Dr. Bhavik Thakkar, MD
Long Beach, CA · No drug or device payments recorded (2025) · Telehealth · (562) 437-6213
Dr. Bindu Noor, M.D.FACP
Long Beach, CA · No drug or device payments recorded (2025) · (443) 421-1084
Dr. Bindu Swaroop, M.D.
Long Beach, CA · No drug or device payments recorded (2025) · (562) 826-8000
Dr. Blanca Almeida, M.D.
Long Beach, CA · No drug or device payments recorded (2025) · (562) 432-5661
Dr. Brian Hugh, D.O.
Long Beach, CA · No drug or device payments recorded (2025) · (714) 436-4444
Dr. Brian Rayhanabad, MD
Long Beach, CA · No drug or device payments recorded (2025) · (562) 491-9000
Dr. Bruce Chernof, M.D.
Long Beach, CA · No drug or device payments recorded (2025) · (562) 308-2858
Dr. Carole Warde, MD
Long Beach, CA · No drug or device payments recorded (2025) · (562) 426-3333
Dr. Chelsea Azevedo, MD
Long Beach, CA · $1,278 in drug and device payments (2025) · (562) 491-9000
Dr. Chok Wan, M.D.
Long Beach, CA · No drug or device payments recorded (2025) · (562) 599-4833

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.