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. Elizabeth Kurkjian, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 796-7057 Dr. Gene Barrie, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 794-1411 Dr. Hanh Tran, DOFremont, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 248-1470 Dr. Iram Zubair, M.D.Fremont, CA · $572 in drug and device payments (2025) · Telehealth ·
(510) 248-1470 Dr. Irene Beissner, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 248-1000 Dr. Jayanti Jha, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 795-3000 Dr. Jelriza Claire Mansouri, M.D.Fremont, CA · No drug or device payments recorded (2025) ·
(510) 248-1470 Dr. Jennie Garcia, MDFremont, CA · No drug or device payments recorded (2025) ·
(631) 413-6892 Dr. Jessica IngFremont, CA · $32 in drug and device payments (2025) · Telehealth ·
(510) 498-2178 Dr. Jing Dai, M.D.Fremont, CA · $60 in drug and device payments (2025) · Telehealth ·
(510) 794-1411 Dr. Maliha Rahman, DOFremont, CA · No drug or device payments recorded (2025) ·
(510) 248-1470 Dr. Margie Aleman-martin, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 796-7057 Dr. Marron Wong, M.D.Fremont, CA · $753 in drug and device payments (2025) ·
(510) 248-3000 Dr. Mary Ann Sarda-maduro, M.D.Fremont, CA · No drug or device payments recorded (2025) ·
(510) 490-1222 Dr. Mary Co-asino, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 795-3000 Dr. Matin Mazidi, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 795-3000 Dr. Michael Slesinski, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 490-1222 Dr. Michelle Gebhardt, M.D.Fremont, CA · No drug or device payments recorded (2025) ·
(510) 248-7249 Dr. Neeta Patel, M.D.Fremont, CA · No drug or device payments recorded (2025) ·
(510) 490-1222 Dr. Padmaja Sharma, MDFremont, CA · $270 in drug and device payments (2025) ·
(510) 796-7104 Dr. Rachna KrishanFremont, CA · No drug or device payments recorded (2025) ·
(510) 490-1222 Dr. Raymond Young, M.D.Fremont, CA · No drug or device payments recorded (2025) ·
(510) 796-7057 Dr. Samuel Yu, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 795-3000 Dr. Scott Mack, M.D.Fremont, CA · No drug or device payments recorded (2025) ·
(510) 796-7104 Dr. Shakira Karipineni, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 284-4100 Dr. Sudeepthi Prasad, MDFremont, CA · $49 in drug and device payments (2025) · Telehealth ·
(510) 304-8990 Dr. Suejin Kim, M.D.Fremont, CA · No drug or device payments recorded (2025) ·
(510) 498-2182 Dr. Tina Hong, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 248-3000 Dr. Trang T Ngo, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 490-1222 Dr. Valli Vujjeni, M.D.Fremont, CA · No drug or device payments recorded (2025) ·
(510) 770-8040 Dr. Xiaoqian YuFremont, CA · No drug or device payments recorded (2025) ·
(510) 498-2740 Dr. Zitao Liu, M.D.Fremont, CA · No drug or device payments recorded (2025) ·
(341) 248-8826 Dr. Anh Le, MDFrench Camp, CA · No drug or device payments recorded (2025) ·
(209) 468-6820 Dr. Christopher Lindeken, D.O.French Camp, CA · No drug or device payments recorded (2025) ·
(209) 468-6937 Dr. Crisoforo Garza, M.D.French Camp, CA · No drug or device payments recorded (2025) ·
(209) 468-6937 Dr. Jason Bass, M.D.French Camp, CA · No drug or device payments recorded (2025) ·
(209) 468-6820 Dr. Louis Lim, M.D.French Camp, CA · No drug or device payments recorded (2025) ·
(209) 468-6820 Dr. Sreelatha Pottala, M.D.French Camp, CA · $68 in drug and device payments (2025) ·
(209) 468-6820 Dr. Adanna Ikedilo, MD, FACOGFresno, CA · $700 in drug and device payments (2025) · Telehealth ·
(559) 981-2600 Dr. Alfred Peters, MDFresno, CA · No drug or device payments recorded (2025) ·
(559) 325-3515 Dr. Alma Bustamante Dayanghirang, M.D. Dr. Andrea Seid, D.O., M.P.H.Fresno, CA · No drug or device payments recorded (2025) ·
(559) 499-6540 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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