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Geriatric Medicine Doctors (Internal Medicine) in California

Data updated monthly · Last refresh October 2026

534 Geriatric Medicine (Internal Medicine) providers practice in California, including 144 (27%) 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.

534providers
144telehealth
Los Angelestop city

Geriatric Medicine (Internal Medicine) by city in California

Choose a city to see providers there.

Geriatric Medicine (Internal Medicine) in Los Angeles77 providers
Geriatric Medicine (Internal Medicine) in San Francisco58 providers
Geriatric Medicine (Internal Medicine) in San Diego38 providers
Geriatric Medicine (Internal Medicine) in La Jolla25 providers
Geriatric Medicine (Internal Medicine) in Sacramento18 providers
Geriatric Medicine (Internal Medicine) in Palo Alto13 providers
Geriatric Medicine (Internal Medicine) in Oakland13 providers
Geriatric Medicine (Internal Medicine) in Orange8 providers
Geriatric Medicine (Internal Medicine) in Stanford7 providers
Geriatric Medicine (Internal Medicine) in Loma Linda7 providers
Geriatric Medicine (Internal Medicine) in Santa Rosa7 providers
Geriatric Medicine (Internal Medicine) in San Jose7 providers
Geriatric Medicine (Internal Medicine) in Pasadena7 providers
Geriatric Medicine (Internal Medicine) in Long Beach6 providers
Geriatric Medicine (Internal Medicine) in Fresno6 providers
Geriatric Medicine (Internal Medicine) in Berkeley6 providers
Geriatric Medicine (Internal Medicine) in Sunnyvale6 providers
Geriatric Medicine (Internal Medicine) in Torrance6 providers
Geriatric Medicine (Internal Medicine) in Santa Barbara5 providers
Geriatric Medicine (Internal Medicine) in West Hollywood5 providers
Geriatric Medicine (Internal Medicine) in Ventura4 providers
Geriatric Medicine (Internal Medicine) in Santa Monica4 providers
Geriatric Medicine (Internal Medicine) in Stockton4 providers
Geriatric Medicine (Internal Medicine) in Laguna Hills4 providers

Geriatric Medicine (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. Kevin Antonio, M.D.
San Diego, CA · No drug or device payments recorded (2025) · Telehealth · (858) 499-2600
Dr. Lindsey Yourman, MD
San Diego, CA · No drug or device payments recorded (2025) · Telehealth · (800) 926-8273
Dr. Marcia Yee, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 688-1600
Dr. Nooshin Bahaie-khani, M. D., PHD
San Diego, CA · $41 in drug and device payments (2025) · (858) 554-3235
Dr. Parag Agnihotri, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (800) 926-8273
Dr. Paul Aisen
San Diego, CA · $17,082 in drug and device payments (2025) · (858) 622-2028
Dr. Paul Gamble, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (858) 657-8000
Dr. Poornima Khanna, M.D.
San Diego, CA · $25 in drug and device payments (2025) · (619) 280-4213
Dr. Pouya Afshar, M.D.
San Diego, CA · $63 in drug and device payments (2025) · (619) 795-8346
Dr. Ramin Motarjemi, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (858) 249-2500
Dr. Richard Nguyen, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (619) 299-1419
Dr. Roopali Gupta, MD
San Diego, CA · No drug or device payments recorded (2025) · Telehealth · (858) 249-2500
Dr. Sheila Bhavsar, MD
San Diego, CA · $25 in drug and device payments (2025) · (619) 543-6268
Dr. Stephanie Lu, DO
San Diego, CA · No drug or device payments recorded (2025) · (800) 926-8273
Dr. Taib Rawi, D.O.
San Diego, CA · No drug or device payments recorded (2025) · Telehealth · (858) 252-2700
Dr. Tessa Antalan, MD
San Diego, CA · No drug or device payments recorded (2025) · Telehealth · (800) 926-8273
Dr. Veronica Gonzalez, M.D.
San Diego, CA · No drug or device payments recorded (2025) · Telehealth · (800) 926-8273
Dr. Winston Mina, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 528-1245
Dr. Alexander Kazberouk
San Francisco, CA · No drug or device payments recorded (2025) · Telehealth · (888) 663-6331
Dr. Anna Chang, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 221-4810
Dr. Anuj Kadel, M.B.B.S
San Francisco, CA · No drug or device payments recorded (2025) · (415) 476-0605
Dr. Ashley Manchanda
San Francisco, CA · No drug or device payments recorded (2025) · Telehealth · (415) 476-0605
Dr. Brie Williams, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 221-4810
Dr. Brittany Barba, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 502-5157
Dr. Candace Kim, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (628) 206-8000
Dr. Caren Gould, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 292-8888
Dr. Carla Perissinotto, MD, MHS
San Francisco, CA · No drug or device payments recorded (2025) · Telehealth · (415) 476-6188
Dr. Carolyn Welty, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · Telehealth · (415) 353-4900
Dr. Catherine Eng, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 292-8886
Dr. Dandan Liu, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · Telehealth · (415) 292-8803
Dr. Deborah Dang, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 292-8888
Dr. Elana Shpall, MD, MS
San Francisco, CA · No drug or device payments recorded (2025) · (415) 550-2230
Dr. Eric Widera, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 221-4810
Dr. Fareeha Majeed, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 476-0605
Dr. Frank Ryning, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 681-9980
Dr. Frederick Fox, M.D.
San Francisco, CA · $18 in drug and device payments (2025) · (415) 221-4810
Dr. Godfrey Harper, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 221-4810
Dr. Helena Katz, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 759-2300
Dr. Janice Schwartz, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 406-1573
Dr. Jay Luxenberg, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 406-1416
Dr. Jessica Eng, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 221-4810
Dr. John Newman, M.D.,PH.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 221-4810
Dr. Judy Mamaclay, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 418-9114
Dr. Karla Lovett, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 833-2000
Dr. Kate Skinner, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 793-2407
Dr. Kathryn Dere, MD
San Francisco, CA · $120 in drug and device payments (2025) · (415) 292-8888
Dr. Kathryn Sewell, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 345-1973
Dr. Laurie Dornbrand, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 447-1000
Dr. Leslie Kernisan, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 574-0545
Dr. Louise Aronson, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 514-3577

Common questions

How many Geriatric Medicine (Internal Medicine) providers are in California?

There are 534 Geriatric Medicine (Internal Medicine) providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Do Geriatric Medicine (Internal Medicine) providers in California offer telehealth?

Yes. 144 of the 534 Geriatric Medicine (Internal Medicine) providers in California (about 27%) report offering telehealth services in CMS data.

Which cities in California have the most Geriatric Medicine (Internal Medicine) providers?

Los Angeles (77), San Francisco (58), San Diego (38) have the highest concentration of Geriatric Medicine (Internal Medicine) providers in California.

How many Geriatric Medicine (Internal Medicine) providers in California received drug or device company payments?

129 of 534 Geriatric Medicine (Internal Medicine) providers in California (24%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

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 Geriatric Medicine Doctors (Internal Medicine) in California work in independent practices or large health systems?

Among 266 Geriatric Medicine Doctors (Internal Medicine) in California enrolled in Medicare, 30% bill through a solo or small practice with fewer than 10 clinicians, 12% through a mid-size group of 10 to 99, and 58% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Geriatric Medicine Doctors (Internal Medicine) in California work at?

According to CMS facility affiliation records, the California hospitals where the most Geriatric Medicine Doctors (Internal Medicine) hold privileges are Ronald Reagan UCLA Medical Center in Los Angeles; Santa Monica - UCLA Med Ctr & Orthopaedic Hospital in Santa Monica; UCSF Medical Center in San Francisco.

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Geriatric Medicine (Internal Medicine) in California? Get featured.