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. Sneha SharmaLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 206-6232 Dr. Soha Dolatabadi, M.D.Los Angeles, CA · $105,147 in drug and device payments (2025) · Telehealth ·
(213) 977-1030 Dr. Soheil Azimi, MDLos Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 391-7281 Dr. Sohun Awsare, M.DLos Angeles, CA · No drug or device payments recorded (2025) ·
(833) 574-2273 Dr. Soleyman Rokhsar, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 268-3125 Dr. Sondra Vazirani, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 268-3125 Dr. Sonia SaniLos Angeles, CA · $537 in drug and device payments (2025) ·
(213) 977-2121 Dr. Soniya Gandhi, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 794-6553 Dr. Sony Ta, MDLos Angeles, CA · $14 in drug and device payments (2025) ·
(323) 846-4104 Dr. Soo Chong, M.D.Los Angeles, CA · $77 in drug and device payments (2025) ·
(213) 481-0651 Dr. Sophia Rosenmoss, MDLos Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 206-6232 Dr. Sophia Soni, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(424) 338-1501 Dr. Spencer Liebman, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 226-7556 Dr. Sridhar Prasad, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(213) 324-6236 Dr. Stacey Weinstein, M.D.Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 267-9648 Dr. Stanislaus Awariefe, MDLos Angeles, CA · $28 in drug and device payments (2025) ·
(323) 776-1500 Dr. Stanley Fang, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 226-7556 Dr. Stanley Golden, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 670-3255 Dr. Stanley Karz, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 275-5964 Dr. Stefan Richter, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 825-5615 Dr. Stefan Ruehm, MDLos Angeles, CA · $1,509 in drug and device payments (2025) ·
(310) 301-6800 Dr. Stella Popova, M.D.Los Angeles, CA · $15 in drug and device payments (2025) ·
(323) 654-7716 Dr. Stephanie Bui, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 208-7777 Dr. Stephanie Fein, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 825-0631 Dr. Stephanie Koven, M.D.Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 385-3353 Dr. Stephanie Lacson, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(800) 954-8000 Dr. Stephanie Phan, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-5100 Dr. Stephen Copen, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 854-3390 Dr. Stephen Corday, M.D.Los Angeles, CA · $1,267 in drug and device payments (2025) · Telehealth ·
(310) 855-8081 Dr. Stephen Judge, M.D.Los Angeles, CA · $15 in drug and device payments (2025) ·
(323) 782-1432 Dr. Steven Asch, MD MPHLos Angeles, CA · $15,471 in drug and device payments (2025) ·
(310) 268-3254 Dr. Steven Galen, M.D.Los Angeles, CA · $1,918 in drug and device payments (2025) · Telehealth ·
(310) 277-1222 Dr. Steven Hochman, MD/MPHLos Angeles, CA · $60,855 in drug and device payments (2025) · Telehealth ·
(562) 867-7999 Dr. Steven Kamara, M.D.Los Angeles, CA · $2,257 in drug and device payments (2025) · Telehealth ·
(310) 914-9150 Dr. Steven Tan, MDLos Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 825-8173 Dr. Stuart Willson, M.D.Los Angeles, CA · $65 in drug and device payments (2025) ·
(213) 977-1144 Dr. Sudarmo Winarko, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 783-4011 Dr. Sue Park, MDLos Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(323) 783-4011 Dr. Sue Yie, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 794-9718 Dr. Su Hutchinson, MDLos Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 996-9355 Dr. Sulma Herrera, MD, MPHLos Angeles, CA · No drug or device payments recorded (2025) ·
(213) 240-8108 Dr. Sumati Bansal, D.O.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 226-7556 Dr. Sundra Kim, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 374-6848 Dr. Sun Yoo, M.D., M.P.H.Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 206-4083 Dr. Surina Kajani, MDLos Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 789-3485 Dr. Susan Corey, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 782-3000 Dr. Susan Duan, M.D,Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 206-6232 Dr. Susannah Ehret, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 670-3255 Dr. Susanna Krol, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 226-8105 Dr. Susan Sanchez, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(213) 741-9727 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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