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 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. Michael Popkin, MDEncino, CA · No drug or device payments recorded (2025) ·
(818) 995-6640 Dr. Morris Drabinsky, M.D.Encino, CA · No drug or device payments recorded (2025) ·
(818) 437-3935 Dr. Natalie BouriEncino, CA · No drug or device payments recorded (2025) · Telehealth ·
(818) 461-8148 Dr. Philip Cohen, MDEncino, CA · No drug or device payments recorded (2025) · Telehealth ·
(818) 461-8148 Dr. Pourandokht Nourbakhsh, MDEncino, CA · No drug or device payments recorded (2025) · Telehealth ·
(818) 461-8148 Dr. Richard Wulfsberg, M.D.Encino, CA · No drug or device payments recorded (2025) · Telehealth ·
(818) 990-1067 Dr. Robert Collins, M.D.Encino, CA · No drug or device payments recorded (2025) ·
(818) 849-6777 Dr. Robert Hashemiyoon, MD Dr. Robin Zakariaei, M.D.Encino, CA · No drug or device payments recorded (2025) ·
(818) 881-8117 Dr. Rodger Brown, M.D.Encino, CA · No drug or device payments recorded (2025) ·
(818) 789-8581 Dr. Sabry Ghaly, M.D., M.P.H., M.S. Dr. Saeid Karandish, MDEncino, CA · $1,022 in drug and device payments (2025) ·
(800) 555-4110 Dr. Salvador Plasencia, M.D.Encino, CA · No drug or device payments recorded (2025) ·
(818) 461-8148 Dr. Shahram Jacobs, M.D.Encino, CA · $3,006 in drug and device payments (2025) ·
(310) 500-8688 Dr. Sulagna Misra, M.D.Encino, CA · No drug or device payments recorded (2025) ·
(818) 431-5511 Dr. Tom ChenEncino, CA · No drug or device payments recorded (2025) · Telehealth ·
(818) 467-8148 Dr. Tooraj Raoof, MDEncino, CA · $496 in drug and device payments (2025) · Telehealth ·
(818) 788-5060 Dr. Ulf Lando, MDEncino, CA · No drug or device payments recorded (2025) ·
(818) 986-1446 Dr. Victoria Borovsky, M.D.Encino, CA · $1,111 in drug and device payments (2025) · Telehealth ·
(818) 527-9559 Dr. Zoraida Suarez, M.D.Encino, CA · No drug or device payments recorded (2025) ·
(818) 788-8838 Dr. Soma Krishnamoorthi, M.D.Escalon, CA · $202 in drug and device payments (2025) · Telehealth ·
(209) 838-2278 Dr. Larry Chiang, MDEscandido, CA · $18 in drug and device payments (2025) · Telehealth ·
(760) 432-6644 Dr. Heini Rinderknecht, MDEscindido, CA · No drug or device payments recorded (2025) ·
(760) 432-6644 Dr. Adnan Zahid, MDEscondido, CA · No drug or device payments recorded (2025) ·
(760) 291-6700 Dr. Alan Chang, M.D.Escondido, CA · $757 in drug and device payments (2025) · Telehealth ·
(760) 291-6700 Dr. Alfredo Ratniewski, M.D.Escondido, CA · No drug or device payments recorded (2025) ·
(760) 871-0606 Dr. Amir Asgari, M.D.Escondido, CA · No drug or device payments recorded (2025) ·
(858) 224-8830 Dr. Archana Narayan, M.D.Escondido, CA · $446 in drug and device payments (2025) ·
(760) 520-8372 Dr. Arsenio Jimenez, M.D.Escondido, CA · No drug or device payments recorded (2025) ·
(760) 739-2371 Dr. Asha Dayana, M.D.Escondido, CA · No drug or device payments recorded (2025) ·
(800) 290-5000 Dr. Brian Meyerhoff, M.D.Escondido, CA · $483 in drug and device payments (2025) ·
(760) 291-6700 Dr. Candace Sprott, MDEscondido, CA · No drug or device payments recorded (2025) ·
(760) 839-7100 Dr. Candice Branch, MD, MPHEscondido, CA · No drug or device payments recorded (2025) · Telehealth ·
(760) 745-1551 Dr. Daniel Harrison, M.DEscondido, CA · No drug or device payments recorded (2025) ·
(760) 739-2371 Dr. Dean Tasher, M.D.Escondido, CA · No drug or device payments recorded (2025) ·
(760) 743-7171 Dr. Emmet Lee, M.D.Escondido, CA · $21 in drug and device payments (2025) ·
(760) 291-6700 Dr. George Rodriguez, M.D.Escondido, CA · $27 in drug and device payments (2025) ·
(760) 291-6700 Dr. Harrison Robinson, MDEscondido, CA · No drug or device payments recorded (2025) · Telehealth ·
(760) 432-6644 Dr. Indira Molai, M.D.Escondido, CA · $370 in drug and device payments (2025) · Telehealth ·
(760) 291-6700 Dr. Jinnu Verma, M.DEscondido, CA · No drug or device payments recorded (2025) ·
(760) 739-2371 Dr. Juan Carlos Franco, M.D.Escondido, CA · $128 in drug and device payments (2025) ·
(760) 291-6700 Dr. Karin Kordas, M.D.Escondido, CA · No drug or device payments recorded (2025) · Telehealth ·
(760) 739-2371 Dr. Khaldoun Abouelhosn, M.DEscondido, CA · $123 in drug and device payments (2025) ·
(760) 291-6700 Dr. Kun Zhong, MDEscondido, CA · $16 in drug and device payments (2025) ·
(248) 345-4798 Dr. Lara Le, MDEscondido, CA · $1,049 in drug and device payments (2025) · Telehealth ·
(760) 291-6700 Dr. Lavanya Korabathina, MDEscondido, CA · No drug or device payments recorded (2025) ·
(760) 737-6960 Dr. Marc Dao, MDEscondido, CA · $68 in drug and device payments (2025) ·
(760) 291-6650 Dr. Margaret Chen, M.DEscondido, CA · $256 in drug and device payments (2025) ·
(760) 737-2000 Dr. Mark Haberman, M.D.Escondido, CA · $204 in drug and device payments (2025) ·
(760) 291-6700 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.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
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.
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