OB-GYNs in California
Data updated monthly · Last refresh October 2026
5,103 Obstetrics & Gynecology providers practice in California, including 564 (11%) 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.
5,103providers
564telehealth
Los Angelestop city
Obstetrics & Gynecology by city in California
Choose a city to see providers there.
Obstetrics & Gynecology 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. Thomas Lin, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 296-9888 Dr. Thomas Lin, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 972-7000 Dr. Thuong-thuong Nguyen, M.D.San Jose, CA · $16 in drug and device payments (2025) ·
(408) 885-4650 Dr. Timothy NardineSan Jose, CA · No drug or device payments recorded (2025) ·
(888) 334-1000 Dr. Tina Tan, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-5550 Dr. Vajiramala Dharmasena, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 972-7000 Dr. Veronica Rivera, MDSan Jose, CA · $370 in drug and device payments (2025) · Telehealth ·
(408) 905-7178 Dr. Victoria Fong, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-5550 Dr. Vida Parsi, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 278-3000 Dr. Vijaya Raman, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-5000 Dr. Vineela Poddatoori, MDSan Jose, CA · No drug or device payments recorded (2025) · Telehealth ·
(408) 885-5000 Dr. Violetta Faryno, M.D.San Jose, CA · $61 in drug and device payments (2025) ·
(408) 288-9933 Dr. Wallace Jones, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 972-7000 Dr. Wenting Tong, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 362-4740 Dr. Wesley Leong, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 972-7000 Dr. Wilma Lee, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-5000 Dr. Wun-yi Tsai, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 294-8774 Dr. Yaowainart Tiptus, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 268-6578 Dr. Agnieszka Vay, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-1000 Dr. Alicia Sinclair, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-1000 Dr. Bryan Waiss, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-1000 Dr. Clara Lee, DOSan Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-1000 Dr. Colleen Kavanagh, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-1000 Dr. John Polito, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 483-1234 Dr. Jolyn Leung, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-4090 Dr. Katharine Simmons, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-4090 Dr. Kristen Everett, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-4090 Dr. Leslie Wilkof, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-1000 Dr. Linda Catherine Degusta, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-1000 Dr. Marie La Cour, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-1000 Dr. Mark Jacobs, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-1000 Dr. Mary Crisham Janik, MDSan Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-1000 Dr. Minerva PinedaSan Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-1000 Dr. Monique Stevens, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-1000 Dr. Robert Rubeshaw, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-1000 Dr. Sarah Mark-drasin, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-1000 Dr. Simone Katz, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-1000 Dr. Stephanie Cai, MDSan Leandro, CA · No drug or device payments recorded (2025) ·
(510) 427-3408 Dr. Stephanie Kong, MDSan Leandro, CA · No drug or device payments recorded (2025) ·
(510) 807-1557 Dr. Amanda Thorson, DOSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 786-4111 Dr. Angela Pullen, M.D.San Luis Obispo, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 595-1808 Dr. Anna Bobba, M.D.San Luis Obispo, CA · $114 in drug and device payments (2025) ·
(805) 549-0402 Dr. Barbara Clutter, M.D.San Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 544-8811 Dr. Christina Pyo, M.DSan Luis Obispo, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 250-4844 Dr. Danny Lickness, MDSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 786-4111 Dr. Eric Colton, MDSan Luis Obispo, CA · $2,582 in drug and device payments (2025) ·
(805) 595-1808 Dr. Kurt Haupt, M.D.San Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 786-4111 Dr. Maria Flores-cooper, M.D.San Luis Obispo, CA · $234 in drug and device payments (2025) ·
(805) 548-0033 Dr. Maria Rasul, MDSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 786-4111 Dr. Vivian Storrer, MDSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 739-3474 Conditions Obstetrics & Gynecology providers in California commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Obstetrics & Gynecology providers. Individual practices vary, so confirm with the provider before booking.
- Pregnancy care
- Endometriosis
- Fibroids
- PCOS
- Menopause
- Contraception
Common questions
How many Obstetrics & Gynecology providers are in California?There are 5,103 Obstetrics & Gynecology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Obstetrics & Gynecology providers in California offer telehealth?Yes. 564 of the 5,103 Obstetrics & Gynecology providers in California (about 11%) report offering telehealth services in CMS data.
Which cities in California have the most Obstetrics & Gynecology providers?Los Angeles (380), San Diego (278), San Francisco (249) have the highest concentration of Obstetrics & Gynecology providers in California.
How many Obstetrics & Gynecology providers in California received drug or device company payments?1,864 of 5,103 Obstetrics & Gynecology providers in California (37%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Obstetrics & Gynecology providers in California treat?Obstetrics & Gynecology providers commonly treat pregnancy care, endometriosis, fibroids, PCOS, menopause 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 OB-GYNs in California work in independent practices or large health systems?Among 2,619 OB-GYNs in California enrolled in Medicare, 18% bill through a solo or small practice with fewer than 10 clinicians, 16% through a mid-size group of 10 to 99, and 66% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do OB-GYNs in California work at?According to CMS facility affiliation records, the California hospitals where the most OB-GYNs hold privileges are Hoag Memorial Hospital Presbyterian in Newport Beach; Cedars-Sinai Medical Center in Los Angeles; California Pacific Medical Ctr-Davies Campus Hosp in San Francisco.
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