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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. Kerry Oliver, M.D.
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 747-8904
Dr. Kevork Bouldoukian, M.D.
Bakersfield, CA · No drug or device payments recorded (2025) · Telehealth · (661) 633-9080
Dr. Khin Win, D.O.
Bakersfield, CA · $14 in drug and device payments (2025) · (661) 305-3000
Dr. Khosrow Mostofi, M.D.
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 664-9687
Dr. Khristine Papa, MD
Bakersfield, CA · $64 in drug and device payments (2025) · (661) 337-7000
Dr. Kieuanh Pham, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 327-4411
Dr. Kusum Desai, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 327-3747
Dr. Kyi Aung, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (800) 353-5400
Dr. Kyle Heber, M.D.
Bakersfield, CA · $1,041 in drug and device payments (2025) · Telehealth · (661) 616-9300
Dr. Lauren Lemieux
Bakersfield, CA · No drug or device payments recorded (2025) · Telehealth · (617) 505-1520
Dr. Leila Moosavi, M.D
Bakersfield, CA · $300 in drug and device payments (2025) · (661) 863-2073
Dr. Long Dinh, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (800) 353-5400
Dr. Louis Lurie, M.D.
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 334-2995
Dr. Lucy Dumalag, M.D.
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 721-2345
Dr. Luis Martinez, D.O.
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 327-4411
Dr. Madhavi Risbud, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (800) 353-5400
Dr. Makram Saied, M.D.
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 666-7367
Dr. Manbir Singh, MD FACP
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 827-1033
Dr. Manick Bhardwaj, M.D.
Bakersfield, CA · No drug or device payments recorded (2025) · Telehealth · (661) 387-6700
Dr. Marah Sukkar, MD
Bakersfield, CA · $143 in drug and device payments (2025) · Telehealth · (661) 326-2202
Dr. Maria David, MD
Bakersfield, CA · $16 in drug and device payments (2025) · Telehealth · (833) 541-2273
Dr. Mariam Abdelmisseh
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 326-2000
Dr. Mark Lin, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 327-4411
Dr. Marsha Cheng, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (833) 678-2781
Dr. Maryam Talai-shahir, M.D.
Bakersfield, CA · $187 in drug and device payments (2025) · (818) 281-2559
Dr. Ma Simonette Soler-rivera, M.D.
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 835-1240
Dr. Matab Singh, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (818) 408-9260
Dr. Maung Chit Khaing, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 327-4411
Dr. Mayra Tovar Castro, M.D.
Bakersfield, CA · $69 in drug and device payments (2025) · (833) 678-2781
Dr. Mehul Mistry, MD
Bakersfield, CA · $276 in drug and device payments (2025) · (661) 706-1004
Dr. Michael Walley, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (800) 353-5400
Dr. Mihaela Mihaluta-pasaboc, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 335-6150
Dr. Milan Shah, M.D.
Bakersfield, CA · $239 in drug and device payments (2025) · (661) 665-0191
Dr. Mohamed Hammami, MD
Bakersfield, CA · $109 in drug and device payments (2025) · (954) 494-0927
Dr. Moujidin Adebayo, MD
Bakersfield, CA · $167 in drug and device payments (2025) · (661) 326-2202
Dr. Myat Han, MD
Bakersfield, CA · $26 in drug and device payments (2025) · (800) 353-5400
Dr. Myat Mon, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 679-7434
Dr. Nathan Kubeldis, DO
Bakersfield, CA · $19 in drug and device payments (2025) · (661) 869-6227
Dr. Nay Aung, M.D.
Bakersfield, CA · $29 in drug and device payments (2025) · (917) 635-5550
Dr. Ned Devasia, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 327-3747
Dr. Newton Phuong, M.D.
Bakersfield, CA · $258 in drug and device payments (2025) · (661) 324-4100
Dr. Ning Huang, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (800) 353-5400
Dr. Nishan Mangat
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 378-2767
Dr. Oliver Caniga, M.D.
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 477-9283
Dr. Olufemi Owolabi, M.D.
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 316-6000
Dr. Oscar Rico, M.D.
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 654-2395
Dr. Pankaj Shukla, MD
Bakersfield, CA · $724 in drug and device payments (2025) · Telehealth · (661) 664-0600
Dr. Parvez Memon, MD
Bakersfield, CA · $136 in drug and device payments (2025) · Telehealth · (661) 616-1030
Dr. Pritam Badesha, MD
Bakersfield, CA · No drug or device payments recorded (2025) · (661) 632-1801
Dr. Quynh Chi Tran, MD
Bakersfield, CA · $98 in drug and device payments (2025) · (661) 327-4411

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

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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.