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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. Kirandeep Batth, M.D.
Fresno, CA · $202 in drug and device payments (2025) · (559) 431-8081
Dr. Kiran Reddy, M.D
Fresno, CA · $661 in drug and device payments (2025) · Telehealth · (559) 326-7393
Dr. Kongmany Luangrath
Fresno, CA · $110 in drug and device payments (2025) · (559) 499-6500
Dr. Konstantin Malley
Fresno, CA · $935 in drug and device payments (2025) · (559) 271-6301
Dr. Kosuke Iwaki, M.D.
Fresno, CA · No drug or device payments recorded (2025) · (559) 450-5611
Dr. Lan Tran, DO
Fresno, CA · No drug or device payments recorded (2025) · (559) 499-6500
Dr. Lavanya Bobba, MD
Fresno, CA · No drug or device payments recorded (2025) · (559) 440-5246
Dr. Lida Avetisyan, MD
Fresno, CA · No drug or device payments recorded (2025) · (559) 450-5777
Dr. Linda Bartell, MD
Fresno, CA · $25 in drug and device payments (2025) · (559) 450-5777
Dr. Linda Hamidjaja, MD
Fresno, CA · No drug or device payments recorded (2025) · (559) 499-6500
Dr. Linda Jo, DO
Fresno, CA · No drug or device payments recorded (2025) · (559) 447-4050
Dr. Loc Tran, DO, MHSA
Fresno, CA · No drug or device payments recorded (2025) · Telehealth · (559) 448-4500
Dr. Loza Jemjem, MD
Fresno, CA · No drug or device payments recorded (2025) · (559) 450-5777
Dr. Ma. Danna Magallanes, MD
Fresno, CA · No drug or device payments recorded (2025) · Telehealth · (559) 449-6500
Dr. Madeline Gong, MD
Fresno, CA · No drug or device payments recorded (2025) · (559) 448-4500
Dr. Madhava Narala, M.D.
Fresno, CA · No drug or device payments recorded (2025) · (559) 221-7500
Dr. Mahshid Zohouri
Fresno, CA · No drug or device payments recorded (2025) · (559) 320-1090
Dr. Mai Pham, MD
Fresno, CA · $63 in drug and device payments (2025) · (559) 450-5777
Dr. Majdi Abdulmaula, M.D
Fresno, CA · $374 in drug and device payments (2025) · (559) 459-6000
Dr. Mandeep Bhinder, M.D.
Fresno, CA · No drug or device payments recorded (2025) · (559) 228-4222
Dr. Mandeep Sidhu
Fresno, CA · $17 in drug and device payments (2025) · (559) 603-7300
Dr. Marcus Cummins, MD
Fresno, CA · No drug or device payments recorded (2025) · (559) 284-5242
Dr. Markos Zemede, MD
Fresno, CA · $243 in drug and device payments (2025) · Telehealth · (559) 450-5777
Dr. Mark Pinto, MD
Fresno, CA · $126 in drug and device payments (2025) · (559) 499-1233
Dr. Marleen Coronel, M.D.
Fresno, CA · $14 in drug and device payments (2025) · (559) 439-5757
Dr. Martin Lauber, MD
Fresno, CA · No drug or device payments recorded (2025) · (559) 225-6100
Dr. Mary Ann Quann, MD
Fresno, CA · No drug or device payments recorded (2025) · (559) 225-6100
Dr. Mary Zhitnikova, D.O.
Fresno, CA · $92 in drug and device payments (2025) · (559) 450-3000
Dr. Ma Theresa Marquez, MD
Fresno, CA · $42 in drug and device payments (2025) · (558) 229-5610
Dr. Maulik Shah, MD
Fresno, CA · $27 in drug and device payments (2025) · (559) 448-4555
Dr. Maycky Tang, DO
Fresno, CA · $99 in drug and device payments (2025) · (559) 450-5672
Dr. Megan Tomajan, MD
Fresno, CA · No drug or device payments recorded (2025) · (559) 499-6400
Dr. Meharmeet Kahlon, MD
Fresno, CA · No drug or device payments recorded (2025) · (559) 499-6500
Dr. Mehdi Hakimipour, MD
Fresno, CA · No drug or device payments recorded (2025) · (559) 274-6444
Dr. Mehmet Alpas, M.D.
Fresno, CA · No drug or device payments recorded (2025) · (559) 459-6000
Dr. Michael Lynch, M.D.
Fresno, CA · $1,948 in drug and device payments (2025) · Telehealth · (559) 226-0848
Dr. Michael Tom, D.O.
Fresno, CA · No drug or device payments recorded (2025) · (559) 228-5327
Dr. Miguel Risco, MD
Fresno, CA · $402 in drug and device payments (2025) · (617) 319-4223
Dr. Minh Trannguyen
Fresno, CA · No drug or device payments recorded (2025) · (559) 499-6500
Dr. Mireya Samaniego, M.D.
Fresno, CA · No drug or device payments recorded (2025) · (559) 450-0463
Dr. Mohammad Sheikh, MD
Fresno, CA · No drug or device payments recorded (2025) · (559) 365-6677
Dr. Mona Zia, M.D.
Fresno, CA · No drug or device payments recorded (2025) · (559) 301-8545
Dr. Monica Ramakuri, M.D.
Fresno, CA · No drug or device payments recorded (2025) · (559) 450-7242
Dr. Monika Gupta
Fresno, CA · $125 in drug and device payments (2025) · (559) 228-4222
Dr. Muhammad Alam, M.D
Fresno, CA · $8,619 in drug and device payments (2025) · Telehealth · (559) 554-2100
Dr. Musa Khaliqi, MD
Fresno, CA · $19 in drug and device payments (2025) · (559) 424-0610
Dr. Muzo Wu, MD, MS, SCD
Fresno, CA · No drug or device payments recorded (2025) · (559) 459-6000
Dr. Mythe Laramie, M.D.
Fresno, CA · $2,599 in drug and device payments (2025) · Telehealth · (559) 435-0339
Dr. Naman Jain, DO, MBA
Fresno, CA · No drug or device payments recorded (2025) · (559) 499-6500
Dr. Nam Huynh, MD
Fresno, CA · No drug or device payments recorded (2025) · (559) 499-6500

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.