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. Mary Shanahan, MDSouth Lake Tahoe, CA · $3,282 in drug and device payments (2025) ·
(530) 542-4961 Dr. Matthew Barulich, MDSouth Lake Tahoe, CA · No drug or device payments recorded (2025) ·
(775) 882-8487 Dr. Megan Jewell, MDSouth Lake Tahoe, CA · No drug or device payments recorded (2025) ·
(530) 543-5711 Dr. Bente Kaiser-osugi, MDSouth Pasadena, CA · No drug or device payments recorded (2025) ·
(626) 399-0649 Dr. Polieno Cespon, MDSouth Pasadena, CA · No drug or device payments recorded (2025) ·
(323) 344-0018 Dr. Alexandria Kragie, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Amreen Husain, MDStanford, CA · $135 in drug and device payments (2025) ·
(408) 885-5000 Dr. Amythis Soltani, MDStanford, CA · $82 in drug and device payments (2025) ·
(650) 723-4000 Dr. Anjali Jotwani, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Anna Altshuler, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 725-5986 Dr. Brooke Friedman, M.D.Stanford, CA · $137 in drug and device payments (2025) ·
(650) 498-7570 Dr. Chrislyn WhiteStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-5505 Dr. Florence Dibiase, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. George Hilaris, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 724-0456 Dr. Gnendy Indig, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Jayne Caron, MDStanford, CA · $51 in drug and device payments (2025) ·
(650) 723-4000 Dr. Jing Wang Chiang, MDStanford, CA · $121 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. John Wachtel, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Jonathan Kort, M.D.Stanford, CA · $5,787 in drug and device payments (2025) ·
(650) 498-7570 Dr. Justin Junn, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Katharine Willoughby, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-6661 Dr. Kelly Banta, MDStanford, CA · $124 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Kelly Darmawan, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 498-7570 Dr. Lisa Lee, MDStanford, CA · $125 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Malte Renz, MD,PHDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Mary JacobsonStanford, CA · No drug or device payments recorded (2025) ·
(650) 498-5391 Dr. Megan Sumida, MDStanford, CA · $79 in drug and device payments (2025) ·
(650) 723-4000 Dr. Melissa Montoya, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Michelle Khan, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Nelson Teng, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 498-8080 Dr. Nicole Topp, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 498-5280 Dr. Olga Kciuk, MDStanford, CA · $236 in drug and device payments (2025) ·
(650) 723-4000 Dr. Peter Nelson, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Rachel Chan Seay, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Ruth Yemane, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Sharon PaoStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Shirley Wang, M.D.Stanford, CA · $16 in drug and device payments (2025) ·
(650) 498-7570 Dr. Anubhi Kulkarni, MDStockton, CA · No drug or device payments recorded (2025) ·
(209) 466-8546 Dr. Bhagya Nakka, MDStockton, CA · $20 in drug and device payments (2025) · Telehealth ·
(209) 242-2690 Dr. Chikanele Okorie, M.D.Stockton, CA · $387 in drug and device payments (2025) ·
(209) 466-8546 Dr. Christopher Dixon, MDStockton, CA · No drug or device payments recorded (2025) ·
(209) 476-2000 Dr. Danette Doan, MDStockton, CA · No drug or device payments recorded (2025) ·
(209) 476-2000 Dr. David Eibling, M.D.Stockton, CA · No drug or device payments recorded (2025) ·
(209) 466-8546 Dr. David Russell, D.O.Stockton, CA · $175 in drug and device payments (2025) ·
(209) 466-8546 Dr. Eugenia Hurlbut, D.O.Stockton, CA · No drug or device payments recorded (2025) ·
(209) 466-8546 Dr. Felix Ajayi, MDStockton, CA · No drug or device payments recorded (2025) · Telehealth ·
(209) 476-2000 Dr. Harjit Sud, M.D.Stockton, CA · No drug or device payments recorded (2025) ·
(209) 466-8546 Dr. James Paul Maganito, DO, MPH, MHAStockton, CA · $158 in drug and device payments (2025) ·
(209) 334-1800 Dr. Jane Brady, MDStockton, CA · No drug or device payments recorded (2025) ·
(209) 476-2000 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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