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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. Pooja Sharma, M.D.
Salinas, CA · $352 in drug and device payments (2025) · (831) 757-4333
Dr. Robert Olson, M.D
Salinas, CA · No drug or device payments recorded (2025) · (831) 229-6273
Dr. Robert Patton, M.D.
Salinas, CA · $907 in drug and device payments (2025) · (831) 751-7070
Dr. Sadi Dalieh, MD
Salinas, CA · $450 in drug and device payments (2025) · (831) 751-7070
Dr. Sheilaja Mittal, M.D.
Salinas, CA · No drug or device payments recorded (2025) · (831) 422-3701
Dr. Stephanie Trost, M.D.
Salinas, CA · $305 in drug and device payments (2025) · Telehealth · (831) 751-7070
Dr. Terrence Hack, M.D., FACC
Salinas, CA · No drug or device payments recorded (2025) · (831) 757-6237
Dr. Valerie Choy, MD
Salinas, CA · No drug or device payments recorded (2025) · (831) 769-8640
Dr. Vivek Rudrapatna, M.D.
Salinas, CA · $1,052 in drug and device payments (2025) · Telehealth · (831) 751-7070
Dr. Yvonne Torrez, M.D.
Salinas, CA · No drug or device payments recorded (2025) · (831) 759-1900
Dr. Anthony Halat, M.D.
San Andreas, CA · No drug or device payments recorded (2025) · (209) 754-2602
Dr. Gabriel Pettersen, MD
San Andreas, CA · $604 in drug and device payments (2025) · (209) 755-1400
Dr. Kabir Matharu, M.D.
San Andreas, CA · No drug or device payments recorded (2025) · (301) 455-6441
Dr. Maria Michnowska, M.D.
San Andreas, CA · No drug or device payments recorded (2025) · (209) 754-4564
Dr. David Ogden, M.D.
San Anselmo, CA · $495 in drug and device payments (2025) · Telehealth · (415) 925-3596
Dr. Estelle Baer, M.D.
San Anselmo, CA · No drug or device payments recorded (2025) · (415) 578-2621
Dr. John Culbertson, M.D.
San Anselmo, CA · $142 in drug and device payments (2025) · (415) 925-3617
Dr. Juhi Goswamy, M.D., M.P.H.
San Anselmo, CA · $266 in drug and device payments (2025) · Telehealth · (415) 500-4289
Dr. Abdullah Ghoury, MD
San Bernardino, CA · $33 in drug and device payments (2025) · (909) 881-4520
Dr. Ahamed Jiffry, MD
San Bernardino, CA · $65 in drug and device payments (2025) · (909) 886-8227
Dr. Alaa Hajal, M.D
San Bernardino, CA · $56 in drug and device payments (2025) · (909) 881-4520
Dr. Alma Palisoc, M.D.
San Bernardino, CA · No drug or device payments recorded (2025) · (909) 382-7146
Dr. Amanda Van Mecl, DO
San Bernardino, CA · $44 in drug and device payments (2025) · (909) 881-4520
Dr. Amanjung Singh
San Bernardino, CA · No drug or device payments recorded (2025) · (909) 887-6333
Dr. Annie Mavian, DO
San Bernardino, CA · No drug or device payments recorded (2025) · (909) 883-8711
Dr. Arshad Sial, MD
San Bernardino, CA · No drug or device payments recorded (2025) · (909) 425-8466
Dr. Brian Bush, DO
San Bernardino, CA · No drug or device payments recorded (2025) · (909) 881-4520
Dr. Carina Buhay, MD
San Bernardino, CA · $619 in drug and device payments (2025) · Telehealth · (909) 883-8611
Dr. Cecil Laqui, M.D.
San Bernardino, CA · $14 in drug and device payments (2025) · (909) 881-7320
Dr. Cesia Garrido, MD
San Bernardino, CA · $19 in drug and device payments (2025) · Telehealth · (909) 382-7100
Dr. Darshi Desai
San Bernardino, CA · $306 in drug and device payments (2025) · (909) 475-2612
Dr. David Bolivar, M.D.
San Bernardino, CA · $46 in drug and device payments (2025) · Telehealth · (909) 888-8152
Dr. Ernest Levister, MD
San Bernardino, CA · No drug or device payments recorded (2025) · (909) 883-8683
Dr. Genaro Martinez, M.D.
San Bernardino, CA · $235 in drug and device payments (2025) · (909) 881-4520
Dr. George Mousa, MD
San Bernardino, CA · $193 in drug and device payments (2025) · Telehealth · (909) 881-3333
Dr. Hai Dao, M.D.
San Bernardino, CA · $14 in drug and device payments (2025) · Telehealth · (909) 883-8611
Dr. Hateem Siddiqui
San Bernardino, CA · $81 in drug and device payments (2025) · Telehealth · (909) 202-4336
Dr. Huy Truong, M.D.
San Bernardino, CA · $71 in drug and device payments (2025) · Telehealth · (909) 822-2323
Dr. Jeanette Jamron, M.D.
San Bernardino, CA · No drug or device payments recorded (2025) · (909) 881-4520
Dr. John Hoang, DO
San Bernardino, CA · No drug or device payments recorded (2025) · (909) 881-4520
Dr. Juan Perez Quintana, MD
San Bernardino, CA · No drug or device payments recorded (2025) · Telehealth · (909) 881-4520
Dr. Justin Fu, M.D.
San Bernardino, CA · No drug or device payments recorded (2025) · (909) 881-4520
Dr. Magdi Elsaadi, MD
San Bernardino, CA · $53 in drug and device payments (2025) · Telehealth · (909) 557-0135
Dr. Margo Young, M.D.
San Bernardino, CA · No drug or device payments recorded (2025) · (909) 881-4535
Dr. Min Zhang, M.D.
San Bernardino, CA · No drug or device payments recorded (2025) · (909) 881-4520
Dr. Mohamad Kurani, M.D.
San Bernardino, CA · $33 in drug and device payments (2025) · (909) 881-4520
Dr. Molara Alexis, M.D
San Bernardino, CA · No drug or device payments recorded (2025) · (909) 881-4520
Dr. Noor Asmail
San Bernardino, CA · No drug or device payments recorded (2025) · (909) 475-2612
Dr. Nooshin Salehi, MD
San Bernardino, CA · No drug or device payments recorded (2025) · (909) 884-9091
Dr. Ousama Ismael, MD
San Bernardino, CA · $514 in drug and device payments (2025) · Telehealth · (909) 881-0030

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.