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. Vinh Vu, MDFallbrook, CA · No drug or device payments recorded (2025) ·
(714) 549-1300 Dr. Nandinidevi Ramaswamy, MDFillmore, CA · No drug or device payments recorded (2025) ·
(805) 524-4926 Dr. Oscar Sablan, MDFirebaugh, CA · $250 in drug and device payments (2025) ·
(559) 296-5080 Dr. Michael Keberlein, MDFlagstaff, CA · No drug or device payments recorded (2025) ·
(928) 779-7004 Dr. Nasreen Sabir, MDFlintridge, CA · No drug or device payments recorded (2025) · Telehealth ·
(702) 579-3203 Dr. Aarati Sarikonda, PHYSICIAN ASSISTANT Dr. Abraham Thomas, MDFolsom, CA · No drug or device payments recorded (2025) ·
(916) 817-5000 Dr. Amanda Camposagrado, M.D.Folsom, CA · No drug or device payments recorded (2025) ·
(916) 985-9200 Dr. Amandeep Dhillon, M.D. Dr. Amit Shah, MDFolsom, CA · No drug or device payments recorded (2025) · Telehealth ·
(916) 817-5000 Dr. Anisul Aslam, MDFolsom, CA · $138 in drug and device payments (2025) · Telehealth ·
(916) 817-5000 Dr. Anthony Retodo, MDFolsom, CA · No drug or device payments recorded (2025) · Telehealth ·
(916) 817-5000 Dr. Baljit Sivia, M.D.Folsom, CA · No drug or device payments recorded (2025) ·
(916) 986-2345 Dr. Bhuvaneswari Burugapalli, M.D. Dr. Bhuvaneswari Thirunavukkarasu, MDFolsom, CA · No drug or device payments recorded (2025) ·
(916) 817-5237 Dr. Carlos Perez, M.D.Folsom, CA · No drug or device payments recorded (2025) ·
(916) 986-4426 Dr. Don Nguyen, D.O.Folsom, CA · No drug or device payments recorded (2025) · Telehealth ·
(916) 985-9300 Dr. Erik Terriquez, MDFolsom, CA · No drug or device payments recorded (2025) ·
(916) 985-9300 Dr. Geetha Pingili, MDFolsom, CA · No drug or device payments recorded (2025) ·
(916) 817-5000 Dr. Harpreet Dhillon, MDFolsom, CA · $144 in drug and device payments (2025) · Telehealth ·
(916) 986-5224 Dr. Jaiwant Rangi, MD, FACEFolsom, CA · $48,998 in drug and device payments (2025) · Telehealth ·
(530) 677-0700 Dr. James ChenFolsom, CA · No drug or device payments recorded (2025) ·
(916) 548-5482 Dr. James Kiley, M.D.Folsom, CA · No drug or device payments recorded (2025) ·
(916) 985-9300 Dr. James Siy, MDFolsom, CA · No drug or device payments recorded (2025) · Telehealth ·
(916) 817-5000 Dr. Jay Draeger, M.D.Folsom, CA · No drug or device payments recorded (2025) ·
(916) 983-7860 Dr. Jayferson Micquel Golepang, M.D.Folsom, CA · $1,093 in drug and device payments (2025) · Telehealth ·
(916) 983-8868 Dr. Jin Xu, MDFolsom, CA · No drug or device payments recorded (2025) · Telehealth ·
(916) 985-9300 Dr. Kamyar Farhangfar, M.D. Dr. Kanat Ransibrahmanakul, M.D.Folsom, CA · $4,086 in drug and device payments (2025) · Telehealth ·
(916) 983-4444 Dr. Keka Mostofa, M.D.Folsom, CA · No drug or device payments recorded (2025) ·
(916) 986-4426 Dr. Kimberly Williams, D.O.Folsom, CA · No drug or device payments recorded (2025) · Telehealth ·
(916) 985-9300 Dr. Manjula Bobbala, M.DFolsom, CA · No drug or device payments recorded (2025) ·
(916) 984-7850 Dr. Michael Uhrik, MDFolsom, CA · No drug or device payments recorded (2025) ·
(916) 817-5000 Dr. Nazma Begum, M.D.Folsom, CA · $21 in drug and device payments (2025) · Telehealth ·
(916) 986-5224 Dr. Nishant Sahni, MDFolsom, CA · No drug or device payments recorded (2025) ·
(916) 512-1912 Dr. Paramvir Sahota, M.D.Folsom, CA · No drug or device payments recorded (2025) ·
(916) 983-0999 Dr. Pragyan Adhikari, MDFolsom, CA · No drug or device payments recorded (2025) ·
(916) 817-5000 Dr. Preetranjan Sahota, M.D.Folsom, CA · No drug or device payments recorded (2025) ·
(916) 983-0999 Dr. Richard Weiss, MDFolsom, CA · No drug or device payments recorded (2025) ·
(602) 705-1664 Dr. Robert Debruin, M.D.Folsom, CA · $1,681 in drug and device payments (2025) · Telehealth ·
(916) 984-7830 Dr. Robyn Westlake, MDFolsom, CA · No drug or device payments recorded (2025) ·
(916) 817-5000 Dr. Sami Khouri, MDFolsom, CA · $24 in drug and device payments (2025) · Telehealth ·
(916) 984-7870 Dr. Sharmila Amolik, M.D. Dr. Soe Maw, MDFolsom, CA · $43 in drug and device payments (2025) · Telehealth ·
(916) 985-9300 Dr. Sridevi Garapati, MDFolsom, CA · No drug or device payments recorded (2025) ·
(916) 817-5000 Dr. Sukhkarn Bains, MDFolsom, CA · $662 in drug and device payments (2025) · Telehealth ·
(916) 817-5000 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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