Family Medicine Doctors in California
Data updated monthly · Last refresh October 2026
17,166 Family Medicine providers practice in California, including 4,903 (29%) 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.
17,166providers
4,903telehealth
Los Angelestop city
Family Medicine by city in California
Choose a city to see providers there.
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. Mara Berezniak, D.O.Penn Valley, CA · $64 in drug and device payments (2025) ·
(530) 432-7023 Dr. Armando Navarro, MDPerris, CA · No drug or device payments recorded (2025) ·
(951) 210-1480 Dr. Barbara Ganchingco, D.O.Perris, CA · No drug or device payments recorded (2025) ·
(951) 940-6700 Dr. Dimitri VillanuevaPerris, CA · No drug or device payments recorded (2025) ·
(951) 657-0544 Dr. Farangis Jalali, M.DPerris, CA · No drug or device payments recorded (2025) ·
(951) 940-6700 Dr. Gabriel Martin Del Campo, M.D.Perris, CA · No drug or device payments recorded (2025) ·
(951) 657-1400 Dr. George Villanueva, DO Dr. Keyla Monterrey, M.D.Perris, CA · No drug or device payments recorded (2025) · Telehealth ·
(951) 214-1400 Dr. Lida Poommipanit-bajon, MDPerris, CA · No drug or device payments recorded (2025) · Telehealth ·
(951) 940-4176 Dr. Octavio Ruiz-villalpando, MDPerris, CA · $357 in drug and device payments (2025) · Telehealth ·
(951) 657-3177 Dr. Roswitha Breuer, MDPerris, CA · No drug or device payments recorded (2025) ·
(951) 956-2152 Dr. Adrienne Kassis, M.D.Petaluma, CA · $38 in drug and device payments (2025) ·
(707) 559-7500 Dr. Aleksey ZakinovPetaluma, CA · No drug or device payments recorded (2025) ·
(707) 765-3960 Dr. Andrew Ashcroft, M.D.Petaluma, CA · No drug or device payments recorded (2025) ·
(707) 559-7500 Dr. Audra Lehman, M.D.Petaluma, CA · No drug or device payments recorded (2025) ·
(707) 559-7500 Dr. Baxter Bell, M.D.Petaluma, CA · No drug or device payments recorded (2025) ·
(707) 778-3171 Dr. Brian Bouch, M.D.Petaluma, CA · No drug or device payments recorded (2025) ·
(707) 696-7427 Dr. Carlin Chi, M.D.Petaluma, CA · No drug or device payments recorded (2025) ·
(707) 559-7500 Dr. Celina Mercer, MDPetaluma, CA · No drug or device payments recorded (2025) ·
(707) 559-7500 Dr. Colleen Foy Sterling, M.D.Petaluma, CA · No drug or device payments recorded (2025) ·
(707) 559-7500 Dr. Danielle Oryn, D.O.Petaluma, CA · No drug or device payments recorded (2025) ·
(707) 559-7500 Dr. Daniel White, MDPetaluma, CA · No drug or device payments recorded (2025) ·
(707) 765-3900 Dr. Erin Helgerson, M.D.Petaluma, CA · No drug or device payments recorded (2025) ·
(707) 559-7500 Dr. Fasih Hameed, MDPetaluma, CA · No drug or device payments recorded (2025) ·
(707) 559-7500 Dr. Irina Defischer, MDPetaluma, CA · No drug or device payments recorded (2025) ·
(707) 765-3900 Dr. Iun-iu Chen, D.O.Petaluma, CA · No drug or device payments recorded (2025) ·
(707) 559-7500 Dr. James Leoni, M.D.Petaluma, CA · $31 in drug and device payments (2025) · Telehealth ·
(707) 782-9123 Dr. James Wu, MDPetaluma, CA · No drug or device payments recorded (2025) ·
(707) 559-7500 Dr. Jennifer Monteclaro, MDPetaluma, CA · $344 in drug and device payments (2025) · Telehealth ·
(628) 336-5260 Dr. John Pendleton, M.D.Petaluma, CA · No drug or device payments recorded (2025) ·
(707) 559-7500 Dr. Jonathan Choe, M.D.Petaluma, CA · No drug or device payments recorded (2025) ·
(707) 559-7500 Dr. Kelley Liao, MDPetaluma, CA · $52 in drug and device payments (2025) · Telehealth ·
(628) 336-5260 Dr. Kelly Pfeifer, M.D.Petaluma, CA · No drug or device payments recorded (2025) ·
(707) 559-7500 Dr. Lana Nguyen, M.D.Petaluma, CA · No drug or device payments recorded (2025) ·
(707) 765-2425 Dr. Lisa Pearson, M.D.Petaluma, CA · No drug or device payments recorded (2025) ·
(707) 559-7500 Dr. Maria Ochoa, MDPetaluma, CA · No drug or device payments recorded (2025) · Telehealth ·
(707) 559-7500 Dr. Marie SchowPetaluma, CA · No drug or device payments recorded (2025) ·
(707) 559-7500 Dr. Matthew Mayeda, DO, MPHPetaluma, CA · No drug or device payments recorded (2025) ·
(707) 559-7500 Dr. Michelle Davey, DOPetaluma, CA · No drug or device payments recorded (2025) · Telehealth ·
(707) 559-7500 Dr. Natalia Shapiro, MDPetaluma, CA · No drug or device payments recorded (2025) ·
(707) 765-3900 Dr. Nicholas Strange, D.OPetaluma, CA · No drug or device payments recorded (2025) ·
(707) 763-9891 Dr. Nikola Lozanov, MDPetaluma, CA · $2,301 in drug and device payments (2025) · Telehealth ·
(707) 782-1244 Dr. Paige Ely, DOPetaluma, CA · No drug or device payments recorded (2025) ·
(707) 559-7500 Dr. Patrick Flynn, M.D.Petaluma, CA · No drug or device payments recorded (2025) ·
(707) 765-3900 Dr. Ray Seet, MDPetaluma, CA · No drug or device payments recorded (2025) ·
(707) 776-2700 Dr. Rebecca Finnemore, MDPetaluma, CA · No drug or device payments recorded (2025) ·
(707) 559-7500 Dr. Richard Chen, MDPetaluma, CA · No drug or device payments recorded (2025) ·
(707) 636-4363 Dr. Robert Hentz, MDPetaluma, CA · No drug or device payments recorded (2025) ·
(707) 765-3597 Dr. Roger Minkow, M.D.Petaluma, CA · No drug or device payments recorded (2025) ·
(707) 696-4469 Conditions Family Medicine providers in California commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Family Medicine providers. Individual practices vary, so confirm with the provider before booking.
- Annual physicals
- High blood pressure
- Type 2 diabetes
- Preventive care
- Minor injuries
Common questions
How many Family Medicine providers are in California?There are 17,166 Family Medicine providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Family Medicine providers in California offer telehealth?Yes. 4,903 of the 17,166 Family Medicine providers in California (about 29%) report offering telehealth services in CMS data.
Which cities in California have the most Family Medicine providers?Los Angeles (824), San Diego (778), San Francisco (492) have the highest concentration of Family Medicine providers in California.
How many Family Medicine providers in California received drug or device company payments?5,624 of 17,166 Family Medicine providers in California (33%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Family Medicine providers in California treat?Family Medicine providers commonly treat annual physicals, high blood pressure, type 2 diabetes, preventive care, minor injuries 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 Family Medicine Doctors in California work in independent practices or large health systems?Among 10,430 Family Medicine Doctors in California enrolled in Medicare, 21% bill through a solo or small practice with fewer than 10 clinicians, 16% through a mid-size group of 10 to 99, and 64% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Family Medicine Doctors in California work at?According to CMS facility affiliation records, the California hospitals where the most Family Medicine Doctors hold privileges are Sutter Medical Center, Sacramento in Sacramento; Hoag Memorial Hospital Presbyterian in Newport Beach; Sutter Roseville Medical Center in Roseville.
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