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. Zhonghuan Ma, MDVentura, CA · No drug or device payments recorded (2025) ·
(805) 659-1740 Dr. Carlo Garibaldi, D.OVictorville, CA · $5,592 in drug and device payments (2025) ·
(760) 241-8000 Dr. Cheng Hsieh, M.D.Victorville, CA · No drug or device payments recorded (2025) ·
(760) 243-5699 Dr. Maryam Zand, D.O.Victorville, CA · $353 in drug and device payments (2025) ·
(760) 241-8000 Dr. In Hur, MDVilla Park, CA · No drug or device payments recorded (2025) ·
(714) 974-4680 Dr. Andrea Boone, M.D.Visalia, CA · $453 in drug and device payments (2025) ·
(559) 741-1202 Dr. Ankita Luthra, MDVisalia, CA · $208 in drug and device payments (2025) ·
(877) 960-3426 Dr. Brian Acord, MDVisalia, CA · No drug or device payments recorded (2025) ·
(559) 733-6342 Dr. Bungorn Boonsurmsuwongse, M.D.Visalia, CA · No drug or device payments recorded (2025) ·
(559) 636-3459 Dr. Christopher Bencomo, MDVisalia, CA · No drug or device payments recorded (2025) ·
(559) 734-1939 Dr. David Borge, MDVisalia, CA · No drug or device payments recorded (2025) ·
(559) 734-1939 Dr. Dean Levitan, MDVisalia, CA · $442 in drug and device payments (2025) ·
(559) 741-1202 Dr. Douglas Mckee, MDVisalia, CA · No drug or device payments recorded (2025) ·
(559) 741-1202 Dr. Elizabeth Enderton, D.O.Visalia, CA · $10,187 in drug and device payments (2025) ·
(559) 734-1939 Dr. George Lake, M.D.Visalia, CA · No drug or device payments recorded (2025) ·
(559) 627-9284 Dr. John Morin, M.D.Visalia, CA · No drug or device payments recorded (2025) ·
(559) 627-9284 Dr. John Wells, MDVisalia, CA · No drug or device payments recorded (2025) ·
(559) 734-1939 Dr. Juan Sabogal Tamayo, MD Dr. Julia Ford, M.D.Visalia, CA · No drug or device payments recorded (2025) ·
(559) 733-6342 Dr. Karen Barbosa, MDVisalia, CA · $452 in drug and device payments (2025) ·
(559) 733-6342 Dr. Mark Wiseman, M.D.Visalia, CA · No drug or device payments recorded (2025) ·
(559) 627-9284 Dr. Martha Rivera, M.D.Visalia, CA · $565 in drug and device payments (2025) ·
(877) 960-3426 Dr. Melissa Wilmarth, CNMVisalia, CA · No drug or device payments recorded (2025) ·
(559) 627-9284 Dr. Nicholai Weibell, D.O.Visalia, CA · No drug or device payments recorded (2025) ·
(559) 741-1202 Dr. Prapat Siritaratiwat, MDVisalia, CA · No drug or device payments recorded (2025) ·
(559) 733-6342 Dr. Rita Barron, CNMVisalia, CA · $165 in drug and device payments (2025) ·
(559) 741-1202 Dr. Robert Ayers, MDVisalia, CA · No drug or device payments recorded (2025) ·
(559) 734-1939 Dr. Robert Goldstein, M.D.Visalia, CA · No drug or device payments recorded (2025) ·
(559) 733-6342 Dr. Rodolfo Vicente, MDVisalia, CA · $595 in drug and device payments (2025) ·
(559) 734-1939 Dr. Shahim Essaid, M.D.Visalia, CA · No drug or device payments recorded (2025) ·
(559) 738-7500 Dr. Steven Palmer, MDVisalia, CA · No drug or device payments recorded (2025) ·
(559) 734-1939 Dr. Charles Stoopack, M.D.Vista, CA · No drug or device payments recorded (2025) ·
(760) 758-3000 Dr. Christine Brody, M.D. Dr. Christos Karanikkis, D.O Dr. Chunjai Clarkson, M.D.Vista, CA · No drug or device payments recorded (2025) ·
(760) 941-1440 Dr. Frederick Dieterich, M.D. Dr. Jack Klausen, MDVista, CA · No drug or device payments recorded (2025) ·
(760) 631-5000 Dr. Lynne Calkins, CRNPVista, CA · No drug or device payments recorded (2025) ·
(760) 758-3000 Dr. Mary Meyers, MDVista, CA · No drug or device payments recorded (2025) ·
(760) 631-5000 Dr. Melissa Hawkins, M.D. Dr. Rahele Mazarei, D.O.Vista, CA · $4,188 in drug and device payments (2025) ·
(760) 941-1440 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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