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Geriatric Medicine (Internal Medicine) in Los Angeles, California

Data updated monthly · Last refresh September 2026

77 Geriatric Medicine (Internal Medicine) providers practice in Los Angeles, and 27% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Geriatric Medicine (Internal Medicine) providers in Los Angeles

Listed alphabetically. 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. Nouneh Danielyan, M.D.
Los Angeles, CA · $14 in drug and device payments (2025) · Telehealth · (323) 913-9300
Dr. Omar Amir, M.D., M.S.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-8272
Dr. Paloma Zeballos Zuniga
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 728-0411
Dr. Patra Sorod
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 206-8272
Dr. Patricia Harris, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 206-8272
Dr. Paul Leitner, MD
Los Angeles, CA · $235 in drug and device payments (2025) · Telehealth · (310) 410-1944
Dr. Peifeng Hu, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 825-8253
Dr. Pingting Nie, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 800-8880
Dr. Rafael Salas Martinez, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-7338
Dr. Robert Wang, PHD MD
Los Angeles, CA · $469 in drug and device payments (2025) · (323) 931-3100
Dr. Robert Waxler, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 634-3850
Dr. Sarah Gelberd, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 351-5268
Dr. Seung Ho Choi, M.D.
Los Angeles, CA · $386 in drug and device payments (2025) · Telehealth · (213) 207-5040
Dr. Seung Kim, M.D.
Los Angeles, CA · $37 in drug and device payments (2025) · Telehealth · (213) 385-5500
Dr. Sharon Chow, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 445-5999
Dr. Shawkat Dhanani, MD, MPH
Los Angeles, CA · $21 in drug and device payments (2025) · (310) 268-3036
Dr. Shinya Ishii, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-8253
Dr. Steven Castle, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 268-4671
Dr. Susan Charette, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 206-8272
Dr. Susan Leonard, M.D.
Los Angeles, CA · $35 in drug and device payments (2025) · Telehealth · (310) 206-8272
Dr. Sylvia Carlisle, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 628-6500
Dr. Tomonao Hashimoto, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 206-8272
Dr. Valerie Wong, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 206-8272
Dr. Victor Oranusi, M.D.
Los Angeles, CA · $96 in drug and device payments (2025) · (323) 846-4312
Dr. Vinod Patel, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (562) 427-5363
Dr. Xinyu Ji, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 206-8272
Dr. Zaldy Tan, M.D.
Los Angeles, CA · $13 in drug and device payments (2025) · Telehealth · (310) 423-6472

Common questions

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

There are 77 Geriatric Medicine (Internal Medicine) providers with active NPI records practicing in Los Angeles, according to federal NPPES data refreshed monthly.

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

21 of 77 (27%) 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 records 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.

All specialties in Los Angeles Geriatric Medicine (Internal Medicine) across California

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.