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. Fabiola Ochoa, MDSylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-3205 Dr. Felicia Yu, MDSylmar, CA · No drug or device payments recorded (2025) ·
(747) 210-3205 Dr. Fredric Adler, MDSylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-3205 Dr. George Shahin, M.DSylmar, CA · No drug or device payments recorded (2025) · Telehealth ·
(818) 364-3205 Dr. Gezman Abdullahi, M.D.Sylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-1555 Dr. Hoanglong Nguyen, MDSylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-3205 Dr. Holly Kim, M.D.Sylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-3205 Dr. Jacqueline Nguyen, DOSylmar, CA · No drug or device payments recorded (2025) ·
(747) 210-3000 Dr. Janet Au, MDSylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-3205 Dr. Jaskaran SandhuSylmar, CA · No drug or device payments recorded (2025) ·
(747) 210-3205 Dr. Jeanne Wallace, MDSylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-4424 Dr. Jeison Recinos, M.D.Sylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-3205 Dr. Jennifer Chen, MD, MPH Dr. Jennifer Price, M.D.Sylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-3205 Dr. Jerome Kim, M.D.Sylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-1555 Dr. Joanna Turkiewicz, DSylmar, CA · No drug or device payments recorded (2025) ·
(747) 210-3000 Dr. John Cho, M.D.Sylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-3632 Dr. Junya Kayano, MDSylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-3205 Dr. Karen Dewar, M.DSylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-3205 Dr. Katherine Yu, MDSylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-3205 Dr. Kellyanne Gold, MDSylmar, CA · No drug or device payments recorded (2025) ·
(747) 210-3205 Dr. Kenneth Pettersen, MD, MPHSylmar, CA · No drug or device payments recorded (2025) ·
(747) 210-4990 Dr. Krishan Arora, MDSylmar, CA · No drug or device payments recorded (2025) ·
(747) 210-3205 Dr. Lara Murti, M.D.Sylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-3205 Dr. Leanne Farestveit, MD Dr. Leo Maffey, M.D.Sylmar, CA · No drug or device payments recorded (2025) · Telehealth ·
(818) 364-3031 Dr. Luis Lovato, M.D.Sylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-3107 Dr. Mahmoud Traina, M.D.Sylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-4287 Dr. Maria Espinoza, MPH, MD Dr. Mark Baniqued, MDSylmar, CA · No drug or device payments recorded (2025) ·
(747) 210-3205 Dr. Martin Lin, M.D.Sylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-3632 Dr. Michael Rotblatt, MDSylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-3205 Dr. Miguel Linares, MDSylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-3205 Dr. Miles Jakl, M.D.Sylmar, CA · No drug or device payments recorded (2025) ·
(818) 367-1012 Dr. Mun Chin, MDSylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-3031 Dr. Nasser Abdo, MDSylmar, CA · No drug or device payments recorded (2025) ·
(818) 364-3031 Dr. Nawal Afif, DOSylmar, CA · No drug or device payments recorded (2025) ·
(747) 210-3205 Dr. Nicole Joel, MDSylmar, CA · $210 in drug and device payments (2025) · Telehealth ·
(747) 210-3000 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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