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. Edward Riceberg, M.D.Beverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 550-8028 Dr. Ehsan Ali, M.D.Beverly Hills, CA · $1,787 in drug and device payments (2025) · Telehealth ·
(310) 683-0180 Dr. Eldad Einav, M.D.Beverly Hills, CA · $383 in drug and device payments (2025) · Telehealth ·
(091) 734-6036 Dr. Emmanuel Emenike, M.D.Beverly Hills, CA · $131 in drug and device payments (2025) ·
(949) 409-5482 Dr. Erin Duralde, MDBeverly Hills, CA · No drug or device payments recorded (2025) ·
(888) 663-6331 Dr. Erin Noren, MDBeverly Hills, CA · $34 in drug and device payments (2025) · Telehealth ·
(310) 205-7310 Dr. Farhad Melamed, M.D.Beverly Hills, CA · $2,432 in drug and device payments (2025) · Telehealth ·
(310) 657-8585 Dr. Flora Sinha, M.D.Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 385-3278 Dr. Frederick Grady, MDBeverly Hills, CA · No drug or device payments recorded (2025) · Telehealth ·
(424) 315-0289 Dr. Gary Cohan, M.D.Beverly Hills, CA · $941 in drug and device payments (2025) ·
(310) 657-6900 Dr. Genise Fraiman, M.D.Beverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 413-5458 Dr. Glen Michael Wool, M.D.Beverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 556-7991 Dr. Glenn Marshak, M.D.Beverly Hills, CA · $32 in drug and device payments (2025) ·
(310) 553-5203 Dr. Haleh Roohipour, M.D.Beverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 859-9500 Dr. Hannah KwakBeverly Hills, CA · $97 in drug and device payments (2025) · Telehealth ·
(310) 205-7310 Dr. Harley Liker, MDBeverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 860-1550 Dr. Heidi Wu, M.D.Beverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 659-9950 Dr. Helen Golian, M.D.Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 385-3570 Dr. Homayoun Sharim, M.D.Beverly Hills, CA · $2,987 in drug and device payments (2025) · Telehealth ·
(310) 657-8000 Dr. Hossein Molazadeh-yazdi, M.D.Beverly Hills, CA · $204 in drug and device payments (2025) ·
(310) 657-9191 Dr. Howard Flaks, MDBeverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 858-7641 Dr. Igor Gorokhov, M.D.Beverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 256-2426 Dr. Jacob Gold, MDBeverly Hills, CA · $97 in drug and device payments (2025) · Telehealth ·
(310) 205-7310 Dr. Jacqueline Yaris, M.D.Beverly Hills, CA · No drug or device payments recorded (2025) ·
(323) 305-7150 Dr. James Daniel, M.D.Beverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 360-7670 Dr. Janet White, M.D.Beverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 967-1884 Dr. Jason Chirichigno, M.D.Beverly Hills, CA · No drug or device payments recorded (2025) ·
(323) 305-7150 Dr. Jeffrey Gramer, M.D.Beverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 385-3432 Dr. Jennifer Lin, M.D.Beverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 657-9841 Dr. Jessica Sworzyn, MDBeverly Hills, CA · $605 in drug and device payments (2025) ·
(424) 315-0938 Dr. Jill Broffman, M.D.Beverly Hills, CA · $1,175 in drug and device payments (2025) ·
(310) 652-4900 Dr. Jin-hwa Simon, M.D.Beverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 299-7645 Dr. Jonathan Cole, M.D.Beverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 550-8543 Dr. Jonathan Weiner, M.D.Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 385-3571 Dr. Jon Rasak, MDBeverly Hills, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 385-2977 Dr. Joseph Michael Wiener, M.D.Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 385-6031 Dr. Joshua Trabulus, MDBeverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 553-2126 Dr. Josiah Strawser, MDBeverly Hills, CA · $2,413 in drug and device payments (2025) · Telehealth ·
(310) 657-9353 Dr. Judith Delafield, PHD., M.D.Beverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 278-1388 Dr. Justin Donlan, M.D.Beverly Hills, CA · $1,386 in drug and device payments (2025) ·
(424) 317-9391 Dr. Kamyar Cohanshohet, MDBeverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 278-1222 Dr. Keyvan Yousefi, M..D.Beverly Hills, CA · $4,336 in drug and device payments (2025) · Telehealth ·
(310) 888-7737 Dr. Khanh Perrin, MDBeverly Hills, CA · $54 in drug and device payments (2025) ·
(310) 550-6728 Dr. Lalima Hoq, M.D.Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 385-3307 Dr. Laurence Seigler, MDBeverly Hills, CA · $419 in drug and device payments (2025) · Telehealth ·
(310) 274-6158 Dr. Louis Fishman, MDBeverly Hills, CA · $786 in drug and device payments (2025) · Telehealth ·
(310) 278-5670 Dr. Luke SanbornBeverly Hills, CA · $329 in drug and device payments (2025) ·
(310) 248-7000 Dr. Lyle Kurtz, M.D.Beverly Hills, CA · $1,597 in drug and device payments (2025) · Telehealth ·
(310) 855-1551 Dr. Mae Xintong HuoBeverly Hills, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 205-7310 Dr. Malak Zacca Shammas, MDBeverly Hills, CA · $1,083 in drug and device payments (2025) · Telehealth ·
(310) 271-6229 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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