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. Tannaz Ebrahimi Adib, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 990-7585 Dr. Geeta Patel, M.D.Ontario, CA · No drug or device payments recorded (2025) ·
(909) 989-7551 Dr. Alejandrina Rincon, M.D.Orange, CA · $3,086 in drug and device payments (2025) ·
(714) 456-8224 Dr. Alfred Tay, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 928-6796 Dr. Allan Akerman, M.D.Orange, CA · $627 in drug and device payments (2025) · Telehealth ·
(714) 633-0886 Dr. Alyssa Gonzalez, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8224 Dr. Anjali Hari, MDOrange, CA · $21 in drug and device payments (2025) · Telehealth ·
(714) 880-7812 Dr. Ann Nguyen Pham, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8224 Dr. Ashten WaksOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8888 Dr. Avisa Abaian- Eagar, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 998-1925 Dr. Bedros Kojian, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 997-4110 Dr. Bich-van T Tran, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8978 Dr. Carly Crowder, M.D.Orange, CA · $344 in drug and device payments (2025) · Telehealth ·
(714) 456-8224 Dr. Catherine Artoun, D.O. Dr. Charlotte Ter Haar, MD Dr. Christine Nguyen Dawson, MD Dr. Daniel Dobalian, M.D. Dr. Danielle Greenberg, MD Dr. Devesh Naidoo, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-7890 Dr. Dipti Banerjee, MDOrange, CA · No drug or device payments recorded (2025) · Telehealth ·
(714) 880-7812 Dr. Donna Baick, M.D.Orange, CA · $42 in drug and device payments (2025) · Telehealth ·
(714) 835-0101 Dr. Ekta Partani, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-7890 Dr. Elizabeth CrawfordOrange, CA · $285 in drug and device payments (2025) · Telehealth ·
(714) 456-8224 Dr. Ernesto Licon, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 880-2911 Dr. Francisco Floriani, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-6631 Dr. Gabrielle Avery, MD, MPHOrange, CA · $10,308 in drug and device payments (2025) ·
(608) 417-7358 Dr. Gelareh Nikpour-heravi, M.D.Orange, CA · $1,815 in drug and device payments (2025) · Telehealth ·
(714) 282-1892 Dr. Genevieve Mazza, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8888 Dr. Gina Milone, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-2911 Dr. Helena NguyenOrange, CA · No drug or device payments recorded (2025) ·
(714) 835-8715 Dr. Hency PatelOrange, CA · No drug or device payments recorded (2025) · Telehealth ·
(714) 456-8888 Dr. Jacqueline Guerrero, M.D. Dr. Janet Jacobson, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 922-4100 Dr. Jennifer Draganchuk, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8888 Dr. Jesus Hernandez, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 538-6838 Dr. John Mchugh, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 633-6373 Dr. John Paas, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(800) 465-3203 Dr. Joyce Sutedja, M.D.Orange, CA · $1,845 in drug and device payments (2025) ·
(714) 456-5616 Dr. Juan Velez, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 997-9595 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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