Geriatric Medicine Doctors (Family Medicine) in California
Data updated monthly · Last refresh October 2026
245 Geriatric Medicine (Family Medicine) providers practice in California, including 54 (22%) 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.
245providers
54telehealth
Los Angelestop city
Geriatric Medicine (Family Medicine) by city in California
Choose a city to see providers there.
Where Geriatric Medicine Doctors (Family Medicine) in California practice
From CMS Medicare enrollment records covering 112 of the 245 providers listed here (46%). Providers who do not bill Medicare are not included in these figures.
30%solo or small practice (under 10 clinicians)
20%mid-size group (10 to 99)
50%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Geriatric Medicine Doctors (Family Medicine) | All clinicians in group | Main city |
| Southern California Permanente Medical Group | 26 | 11,250 | Riverside |
| Permanente Medical Group Inc. | 5 | 10,928 | Redwood City |
| The Regents of the University of California | 4 | 1,426 | Santa Monica |
| Regents of the University of | 4 | 30 | Orange |
| Usc Care Medical Group Inc. | 2 | 1,378 | Los Angeles |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Geriatric Medicine Doctors (Family Medicine) affiliated |
| Ronald Reagan UCLA Medical Center | Los Angeles | Government | 4 of 5 | 7 |
| Uci Health-Orange | Orange | Government | 4 of 5 | 7 |
| Hoag Memorial Hospital Presbyterian | Newport Beach | Nonprofit | 5 of 5 | 6 |
| Memorialcare Saddleback Medical Center | Laguna Hills | Nonprofit | 4 of 5 | 5 |
| Santa Monica - UCLA Med Ctr & Orthopaedic Hospital | Santa Monica | Nonprofit | 5 of 5 | 5 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Geriatric Medicine (Family 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. Sheila Raumer, MDAlamo, CA · No drug or device payments recorded (2025) ·
(925) 930-3110 Dr. Charles Kellerman, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Donald King, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Douglas Nelson, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Mark Pellegrino, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Monica Mehren, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Neetu Bhola, M.D.Anaheim, CA · No drug or device payments recorded (2025) ·
(714) 279-4594 Dr. Reza Talebi Dolouei, M.D.Anaheim, CA · $21 in drug and device payments (2025) · Telehealth ·
(714) 776-5620 Dr. William Ford, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Carlos Say, MDAtwater, CA · $141 in drug and device payments (2025) ·
(209) 358-6494 Dr. Abel Rojas-parra, MDBakersfield, CA · $936 in drug and device payments (2025) ·
(661) 322-3905 Dr. Augusto Bertiz, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 327-3747 Dr. Aye Lin, M.DBakersfield, CA · No drug or device payments recorded (2025) ·
(187) 752-4737 Dr. James SproulBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 872-7000 Dr. Oliver Droppers, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 322-3905 Dr. Tan Tran, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(800) 353-5400 Dr. Diane Deferrante, MDBaldwin Park, CA · No drug or device payments recorded (2025) ·
(626) 851-1011 Dr. Mary Herman, MDBaldwin Park, CA · No drug or device payments recorded (2025) ·
(626) 851-1011 Dr. Michael Mitchell, MDBaldwin Park, CA · $150 in drug and device payments (2025) ·
(626) 851-1011 Dr. Nancy Gibbs, MDBaldwin Park, CA · No drug or device payments recorded (2025) ·
(626) 851-1011 Dr. William Wake, MDBaldwin Park, CA · No drug or device payments recorded (2025) ·
(626) 851-1011 Dr. Alan Gelman, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Joan Duffy, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Rebecca Goldstein, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Stanley Fried, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Sushma Prakash, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. William Braun, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Jeffrey Newman, M.D.Bonsall, CA · $120 in drug and device payments (2025) · Telehealth ·
(760) 941-8888 Dr. Deepa Dharmarajan, M.D.Brisbane, CA · No drug or device payments recorded (2025) · Telehealth ·
(415) 514-3577 Dr. Jason Lee, MDBurbank, CA · No drug or device payments recorded (2025) · Telehealth ·
(818) 556-2700 Dr. Spasoje Neskovic, MDBurbank, CA · $487 in drug and device payments (2025) · Telehealth ·
(818) 244-4114 Dr. Faraz Zaidi, M.D.Carmichael, CA · $15 in drug and device payments (2025) · Telehealth ·
(916) 332-1210 Dr. Michael Griffis, MDCathedral City, CA · No drug or device payments recorded (2025) ·
(760) 328-4499 Dr. Herbert Rosenbaum, MDChula Vista, CA · No drug or device payments recorded (2025) · Telehealth ·
(619) 205-4585 Dr. Vernon White, M.D.Chula Vista, CA · No drug or device payments recorded (2025) ·
(619) 498-1100 Dr. Yi Wang, M.D.City Of Industry, CA · $1,552 in drug and device payments (2025) ·
(626) 965-4628 Dr. Kurtis Fox, M.D.Colfax, CA · No drug or device payments recorded (2025) ·
(530) 346-2281 Dr. Raymond Chan, M.D.Colton, CA · No drug or device payments recorded (2025) · Telehealth ·
(909) 580-3370 Dr. Elham Ghadishah, M.D.Culver City, CA · No drug or device payments recorded (2025) ·
(323) 936-8800 Dr. Kwok Hung, M.D.Cupertino, CA · No drug or device payments recorded (2025) ·
(408) 931-6472 Dr. Amani Osman, NPCypress, CA · No drug or device payments recorded (2025) ·
(714) 925-8099 Dr. Hermenegildo Angeles, MD APCDaly City, CA · $1,197 in drug and device payments (2025) · Telehealth ·
(650) 755-3939 Dr. Omid Mousavi, M.D.Downey, CA · No drug or device payments recorded (2025) ·
(323) 889-7830 Dr. Natasha Harmis, PA-CEl Cajon, CA · No drug or device payments recorded (2025) ·
(619) 937-1877 Dr. Jung Han, DOEl Monte, CA · No drug or device payments recorded (2025) ·
(626) 258-1600 Dr. Katie SoeEl Monte, CA · $14 in drug and device payments (2025) ·
(626) 454-1990 Dr. Asit Shil, MDFontana, CA · No drug or device payments recorded (2025) ·
(888) 750-0036 Dr. Esther Won, MDFontana, CA · No drug or device payments recorded (2025) ·
(909) 427-3910 Dr. Helen Lee, MDFontana, CA · No drug or device payments recorded (2025) ·
(909) 427-3910 Common questions
How many Geriatric Medicine (Family Medicine) providers are in California?There are 245 Geriatric Medicine (Family Medicine) providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Geriatric Medicine (Family Medicine) providers in California offer telehealth?Yes. 54 of the 245 Geriatric Medicine (Family Medicine) providers in California (about 22%) report offering telehealth services in CMS data.
Which cities in California have the most Geriatric Medicine (Family Medicine) providers?Los Angeles (23), San Diego (21), Fontana (11) have the highest concentration of Geriatric Medicine (Family Medicine) providers in California.
How many Geriatric Medicine (Family Medicine) providers in California received drug or device company payments?61 of 245 Geriatric Medicine (Family Medicine) providers in California (25%) 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 (Family Medicine) in California work in independent practices or large health systems?Among 112 Geriatric Medicine Doctors (Family Medicine) in California enrolled in Medicare, 30% bill through a solo or small practice with fewer than 10 clinicians, 20% through a mid-size group of 10 to 99, and 50% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Geriatric Medicine Doctors (Family Medicine) in California work at?According to CMS facility affiliation records, the California hospitals where the most Geriatric Medicine Doctors (Family Medicine) hold privileges are Ronald Reagan UCLA Medical Center in Los Angeles; Uci Health-Orange in Orange; Hoag Memorial Hospital Presbyterian in Newport Beach.
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