HealthcareDiscovery.AI / Doctors / California / Internal Medicine

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. Alka Ohri, M.D
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 326-2000
Dr. Alta Grace Baruiz, M.D.
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 633-2009
Dr. Amartej Deol, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 325-7457
Dr. Ambika Softa, M.D.
Bakersfield, CA · $1,197 in drug and device payments (2025) · Telehealth · (661) 716-2600
Dr. Amit Shah, MD
Bakersfield, CA · $605 in drug and device payments (2025) · (661) 327-4411
Dr. Amolika Mangat, MD
Bakersfield, CA · $592 in drug and device payments (2025) · Telehealth · (661) 836-5004
Dr. Aniko Matis, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 336-5300
Dr. Anthony Valdez, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 324-2423
Dr. Apinunt Khemthong
Bakersfield, CA · $334 in drug and device payments (2025) · (562) 758-0590
Dr. Araceli Castanares, M.D.
Bakersfield, CA · $294 in drug and device payments (2025) · (661) 328-7070
Dr. Ararat Avetisyan, M.D.
Bakersfield, CA · No drug or device payments recorded (2025) · Telehealth · (661) 326-2202
Dr. Arash Khosrovi-eghbal, M.D.
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 835-1240
Dr. Arun Keni, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 328-4295
Dr. Arun Softa, MD
Bakersfield, CA · $1,144 in drug and device payments (2025) · Telehealth · (661) 716-2600
Dr. Asim Ruhela
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 395-3000
Dr. Aung Moe, M.D
Bakersfield, CA · $286 in drug and device payments (2025) · (661) 327-4647
Dr. Ayesha Rehman
Bakersfield, CA · $29 in drug and device payments (2025) · (661) 326-2201
Dr. Bahareh Ghafarizadeh, M.D
Bakersfield, CA · $2,670 in drug and device payments (2025) · Telehealth · (661) 326-2000
Dr. Bankim Pandya, MD
Bakersfield, CA · $135 in drug and device payments (2025) · (661) 336-0920
Dr. Behrooz Banihashemi, M.D.
Bakersfield, CA · $16 in drug and device payments (2025) · (661) 716-7100
Dr. Belinda Sibanda, MD
Bakersfield, CA · $64 in drug and device payments (2025) · (866) 707-6664
Dr. Bhavinkumar Meghapara, M.D.
Bakersfield, CA · $108 in drug and device payments (2025) · (661) 327-5350
Dr. Biserka Matkovic, MD
Bakersfield, CA · No drug or device payments recorded (2025) · Telehealth · (661) 324-4963
Dr. Brittany Brinley, D.O.
Bakersfield, CA · $279 in drug and device payments (2025) · Telehealth · (310) 963-0365
Dr. Bruce Dains, PAC
Bakersfield, CA · $21 in drug and device payments (2025) · (661) 326-1600
Dr. Bryce Chavez, MD
Bakersfield, CA · $14 in drug and device payments (2025) · (661) 326-0088
Dr. Byron Mui, MD
Bakersfield, CA · $352 in drug and device payments (2025) · (661) 328-0800
Dr. Cameron Chang, M.D.
Bakersfield, CA · $136 in drug and device payments (2025) · (661) 316-6000
Dr. Carlos Alvarez, MD
Bakersfield, CA · $10,277 in drug and device payments (2025) · Telehealth · (661) 489-9999
Dr. Carlos Mazariegos Letran, M.D.
Bakersfield, CA · $67 in drug and device payments (2025) · (661) 395-3000
Dr. Chang Na, M.D.
Bakersfield, CA · No drug or device payments recorded (2025) · (877) 524-7373
Dr. Charnpreet Upple, MD
Bakersfield, CA · $38 in drug and device payments (2025) · Telehealth · (661) 871-8711
Dr. Chioma Ugoh, M.D.
Bakersfield, CA · No drug or device payments recorded (2025) · (619) 723-0334
Dr. Chung- Kwang Chen, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 215-1500
Dr. Claudia Alvarado, M.D.
Bakersfield, CA · No drug or device payments recorded (2025) · Telehealth · (661) 326-2202
Dr. Colby Kulyn, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 326-2200
Dr. Daniel Jurich, D.O.
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 322-3905
Dr. David Aguirre, M.D.
Bakersfield, CA · $337 in drug and device payments (2025) · (661) 326-2000
Dr. David Dougherty, M.D.
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 654-0200
Dr. David Gines, M.D.
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 721-2345
Dr. David Nilsson, PA C
Bakersfield, CA · $786 in drug and device payments (2025) · (661) 638-2273
Dr. Deepa Kummati, M.D.
Bakersfield, CA · $29 in drug and device payments (2025) · (217) 361-7374
Dr. Deepak Wahi, MD
Bakersfield, CA · $150 in drug and device payments (2025) · (661) 444-2171
Dr. Edgar Lopez, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (833) 574-2273
Dr. Ed Marie Sibal-gomez, M.D.
Bakersfield, CA · $72 in drug and device payments (2025) · (661) 869-6227
Dr. Edward Nichols, M.D.
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 323-8477
Dr. Ellen Young, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 327-5350
Dr. Elmas Orhan, NURSE PRACTITIONER
Bakersfield, CA · $424 in drug and device payments (2025) · Telehealth · (661) 326-2000
Dr. Elva Miranda, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (800) 353-5400
Dr. Emanuel Dozier, MD, MPH
Bakersfield, CA · No drug or device payments recorded (2025) · Telehealth · (661) 859-2211

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.