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. Norman Sakura, MDHarbor City, CA · No drug or device payments recorded (2025) ·
(310) 325-5111 Dr. Olivia Callese, M.D.Harbor City, CA · No drug or device payments recorded (2025) ·
(310) 325-5111 Dr. Samantha Nadella, M.D.Harbor City, CA · No drug or device payments recorded (2025) ·
(424) 328-2033 Dr. Sandra Kim, MDHarbor City, CA · $130 in drug and device payments (2025) ·
(310) 325-5111 Dr. Shanaeya Nelson, MDHarbor City, CA · No drug or device payments recorded (2025) ·
(310) 325-5111 Dr. Timothy Kelly, MDHarbor City, CA · No drug or device payments recorded (2025) ·
(310) 325-5111 Dr. William Wallace, MDHarbor City, CA · No drug or device payments recorded (2025) ·
(310) 325-5111 Dr. Danny Dan, M.D.Hawthorne, CA · $15 in drug and device payments (2025) ·
(310) 675-5370 Dr. Farshid Moossazadeh, M.D.Hawthorne, CA · $166 in drug and device payments (2025) ·
(310) 355-1950 Dr. Jiakai Ji, MDHawthorne, CA · $35 in drug and device payments (2025) ·
(310) 694-5255 Dr. Parkash Sehdeva, M.D.Hawthorne, CA · No drug or device payments recorded (2025) ·
(310) 263-1400 Dr. Anjalika Pattanaik, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 342-0020 Dr. Benita Tan, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 266-0077 Dr. Benjamin Wolsztejn, M.D., F.A.C.O.G.Hayward, CA · No drug or device payments recorded (2025) ·
(510) 886-0394 Dr. Daksha Barot, MDHayward, CA · $147 in drug and device payments (2025) ·
(510) 784-4000 Dr. Daphne Singh, NP-CHayward, CA · No drug or device payments recorded (2025) ·
(510) 342-0020 Dr. Jaya Mokkapati, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Marc Anker, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Michael Fogarty, DOHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Rama Polisetty, M.D.Hayward, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 785-5000 Dr. Robert Hosang, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Robyn Goodfellow, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Senzan Hsu, M.D.Hayward, CA · No drug or device payments recorded (2025) ·
(510) 342-0020 Dr. Setareh Hafezi, M.D.Hayward, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 785-5000 Dr. Shamsi Vatannia, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 785-5000 Dr. Sheri Task, M.D.Hayward, CA · No drug or device payments recorded (2025) ·
(510) 785-5000 Dr. Stacy Young, M.D.Hayward, CA · No drug or device payments recorded (2025) ·
(510) 785-5000 Dr. Stanley Goldsmith, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 582-8281 Dr. Brad Drexler, M.D.Healdsburg, CA · $60 in drug and device payments (2025) ·
(707) 431-8843 Dr. Mahmoud Sani, M.D.Hemet, CA · No drug or device payments recorded (2025) ·
(951) 765-1766 Dr. Renato Judalena, M.D.Hemet, CA · No drug or device payments recorded (2025) ·
(951) 492-0900 Dr. Lilia Lizano, M.D.Hercules, CA · No drug or device payments recorded (2025) ·
(510) 724-4435 Dr. Steve Cheung, M.D., PH.D.Hesperia, CA · No drug or device payments recorded (2025) ·
(760) 242-5800 Dr. Brian Beitel, M.D.Highland, CA · No drug or device payments recorded (2025) ·
(909) 862-1191 Dr. Peter Sterbutzel, DOHighland, CA · $35 in drug and device payments (2025) ·
(909) 864-4700 Dr. Mohammad Barra, MDHollister, CA · No drug or device payments recorded (2025) ·
(831) 636-1212 Dr. Parviz Tabibian, MDHollister, CA · No drug or device payments recorded (2025) ·
(831) 637-9238 Dr. Ralph Armstrong, DOHollister, CA · $45 in drug and device payments (2025) ·
(831) 635-0604 Dr. Zarin Amin, DOHollister, CA · $215 in drug and device payments (2025) · Telehealth ·
(831) 635-9788 Dr. Anne Narayan, M.D.Huntington Beach, CA · No drug or device payments recorded (2025) ·
(714) 841-9899 Dr. Austin Gardiner, MDHuntington Beach, CA · No drug or device payments recorded (2025) ·
(714) 374-8475 Dr. Bharat Marolia, M.D.Huntington Beach, CA · No drug or device payments recorded (2025) ·
(714) 842-6638 Dr. Dale Braithwaite, M.D.Huntington Beach, CA · No drug or device payments recorded (2025) ·
(714) 614-1843 Dr. David Ling, MDHuntington Beach, CA · No drug or device payments recorded (2025) ·
(714) 848-5909 Dr. Jeffrey Illeck, M.D.Huntington Beach, CA · $108 in drug and device payments (2025) ·
(714) 841-9899 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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