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.
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. Theresa Allison, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 221-4810 Dr. Alex Mirabadi, M.D.San Jose, CA · No drug or device payments recorded (2025) · Telehealth ·
(408) 535-4600 Dr. Elise Singer, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-5000 Dr. Frances Sun, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 995-5453 Dr. Jeanine Phan, D.O.San Jose, CA · No drug or device payments recorded (2025) · Telehealth ·
(408) 972-3000 Dr. Rakhi Yadav, M.DSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 277-7777 Dr. Douglas Zhang, M.D.San Leandro, CA · $1,427 in drug and device payments (2025) ·
(510) 351-2100 Dr. Willis Gelston, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 351-2100 Dr. Nicholas Buckley, DOSan Mateo, CA · No drug or device payments recorded (2025) ·
(650) 554-1000 Dr. Jae Lee, M.D.Santa Ana, CA · $1,386 in drug and device payments (2025) ·
(714) 352-5800 Dr. Richard Brumley, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 619-8777 Dr. Julio Diaz, MDSanta Barbara, CA · No drug or device payments recorded (2025) ·
(805) 962-8880 Dr. Linda James, MDSanta Clarita, CA · $1,319 in drug and device payments (2025) ·
(661) 949-5522 Dr. Christian Negard, M.D.Santa Cruz, CA · No drug or device payments recorded (2025) ·
(831) 458-5829 Dr. John Campbell, MDSanta Maria, CA · $65 in drug and device payments (2025) · Telehealth ·
(805) 739-3561 Dr. Bernard Katz, MDSanta Monica, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 459-2363 Dr. Elvira Gonzalez, MDSanta Monica, CA · No drug or device payments recorded (2025) ·
(310) 315-8900 Dr. Hong-phuc Tran, MDSanta Monica, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 319-4371 Dr. Junun Bae, DOSanta Monica, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 526-4812 Dr. Meena Makhijani, D.O.Santa Monica, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 526-4812 Dr. Scott Kaiser, MDSanta Monica, CA · $28 in drug and device payments (2025) · Telehealth ·
(310) 582-7450 Dr. Ida Jahed, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 538-8400 Dr. Jaime Giron, MDSoledad, CA · $894 in drug and device payments (2025) ·
(831) 678-2665 Dr. Alastair Mondala, M.D.South San Francisco, CA · No drug or device payments recorded (2025) ·
(650) 826-2945 Dr. Carol Winograd, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 796-5070 Dr. Maria Felicitas Dizon, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(818) 719-2252 Dr. Lisa Young, MDTorrance, CA · No drug or device payments recorded (2025) ·
(310) 784-8770 Dr. Sara Hamidi, M.D.Turlock, CA · No drug or device payments recorded (2025) · Telehealth ·
(209) 813-8913 Dr. Farah Alsaati, MDUnion City, CA · No drug or device payments recorded (2025) ·
(510) 591-1281 Dr. Ying Zhang, M.D.Union City, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 454-1000 Dr. Kristine Leenders, FNP-CVacaville, CA · $1,200 in drug and device payments (2025) ·
(707) 624-2600 Dr. Michael Richardson, M.D.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 451-4111 Dr. Bruce Woodling, M.D.Ventura, CA · No drug or device payments recorded (2025) ·
(805) 482-6643 Dr. Anakha Nambiar, M.D.Walnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 939-1220 Dr. Purnima Sreenivasan, M.D.Walnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 934-6744 Dr. Christopher O'grady, M.D.Watsonville, CA · $142 in drug and device payments (2025) · Telehealth ·
(831) 786-8595 Dr. Sidney Mitchell, MDWatsonville, CA · No drug or device payments recorded (2025) ·
(831) 479-7916 Dr. Valery Shulman, M.D.West Hollywood, CA · $399 in drug and device payments (2025) · Telehealth ·
(323) 878-2523 Dr. Gabriela Sauder, M.D.Westlake Village, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 494-6920 Dr. Phuc Nguyen, M.DWestminster, CA · $224 in drug and device payments (2025) ·
(714) 893-0882 Dr. Inga Jeon, M.D.Whittier, CA · No drug or device payments recorded (2025) ·
(562) 967-2273 Dr. Michael Maguire, D.O.Whittier, CA · $723 in drug and device payments (2025) · Telehealth ·
(562) 945-9333 Dr. Muthu Chandra, MDWoodland Hills, CA · No drug or device payments recorded (2025) ·
(818) 719-2000 Dr. Sheryl Yamamoto, MDWoodland Hills, CA · No drug or device payments recorded (2025) ·
(818) 719-2000 Dr. Steven Russak, MDWoodland Hills, CA · No drug or device payments recorded (2025) ·
(818) 719-2000 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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