HealthcareDiscovery.AI / Doctors / California / Obstetrics & Gynecology

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 in Los Angeles380 providers
Obstetrics & Gynecology in San Diego278 providers
Obstetrics & Gynecology in San Francisco249 providers
Obstetrics & Gynecology in Sacramento197 providers
Obstetrics & Gynecology in San Jose128 providers
Obstetrics & Gynecology in Oakland100 providers
Obstetrics & Gynecology in Orange81 providers
Obstetrics & Gynecology in Torrance76 providers
Obstetrics & Gynecology in Fresno74 providers
Obstetrics & Gynecology in Bakersfield70 providers
Obstetrics & Gynecology in Riverside69 providers
Obstetrics & Gynecology in La Jolla66 providers
Obstetrics & Gynecology in Long Beach63 providers
Obstetrics & Gynecology in Loma Linda61 providers
Obstetrics & Gynecology in Santa Monica57 providers
Obstetrics & Gynecology in Walnut Creek56 providers
Obstetrics & Gynecology in Anaheim56 providers
Obstetrics & Gynecology in Santa Clara53 providers
Obstetrics & Gynecology in Modesto53 providers
Obstetrics & Gynecology in Mountain View50 providers
Obstetrics & Gynecology in Fontana50 providers
Obstetrics & Gynecology in Fremont49 providers
Obstetrics & Gynecology in Pasadena45 providers
Obstetrics & Gynecology in Roseville45 providers

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. Sonia Zarate-navarro, M.D.
Daly City, CA · No drug or device payments recorded (2025) · (650) 994-1113
Dr. Stephen Scheifele, MD
Daly City, CA · No drug or device payments recorded (2025) · (650) 756-2404
Dr. William Zuber, MD
Daly City, CA · No drug or device payments recorded (2025) · (650) 742-2000
Dr. Patrick Thein, MD
Dana Point, CA · $138 in drug and device payments (2025) · (949) 661-0510
Dr. Frederick Anderson, MD
Danville, CA · No drug or device payments recorded (2025) · (925) 820-9898
Dr. Michele Riopelle, M.D.
Danville, CA · No drug or device payments recorded (2025) · (925) 855-0403
Dr. Anne Stohrer, MD
Davis, CA · No drug or device payments recorded (2025) · (530) 750-5880
Dr. Annette Fineberg, MD
Davis, CA · No drug or device payments recorded (2025) · (530) 750-5880
Dr. Bethelen Johnson, M.D.
Davis, CA · No drug or device payments recorded (2025) · (530) 750-5880
Dr. Elisabeth Dyogi
Davis, CA · No drug or device payments recorded (2025) · (530) 756-6440
Dr. Gary Gross, MD
Davis, CA · No drug or device payments recorded (2025) · (530) 771-0177
Dr. Hannah Zeltzer, D.O.
Davis, CA · No drug or device payments recorded (2025) · (530) 750-5880
Dr. Kimberly Ohlson, MD
Davis, CA · No drug or device payments recorded (2025) · (916) 757-7100
Dr. Leon Schimmel, MD
Davis, CA · No drug or device payments recorded (2025) · (530) 753-3498
Dr. Lisa Keller, MD
Davis, CA · No drug or device payments recorded (2025) · (530) 757-5111
Dr. Mark Evans, M.D., M.S.P.H.
Davis, CA · No drug or device payments recorded (2025) · (530) 750-5880
Dr. Michelle Apple, MD
Davis, CA · No drug or device payments recorded (2025) · (530) 757-7100
Dr. Rachel Dern, M.D.
Davis, CA · No drug or device payments recorded (2025) · (916) 262-9414
Dr. Suzanne Bier, MD
Davis, CA · No drug or device payments recorded (2025) · (916) 757-7100
Dr. Tia Will, MD
Davis, CA · No drug or device payments recorded (2025) · (916) 757-7100
Dr. Zaid Maqbool, MD
Davis, CA · No drug or device payments recorded (2025) · (530) 758-6480
Dr. Zoe Tilton, M.D.
Davis, CA · No drug or device payments recorded (2025) · (530) 750-5880
Dr. Babita Datta, MD
Delano, CA · $57 in drug and device payments (2025) · (661) 792-7333
Dr. Debbie Dennis
Delano, CA · $126 in drug and device payments (2025) · (661) 721-0737
Dr. Lydia Zapanta, MD
Delano, CA · No drug or device payments recorded (2025) · (661) 725-6265
Dr. Rhonda Robinson, MD
Delano, CA · $53 in drug and device payments (2025) · (661) 720-4011
Dr. Dana Shipp, M.D.
Del Mar, CA · No drug or device payments recorded (2025) · (858) 499-2702
Dr. Lorraine Chun, M.D.
Desert Hot Springs, CA · $18 in drug and device payments (2025) · (760) 416-3770
Dr. Anne Liao, MD
Diamond Bar, CA · $149 in drug and device payments (2025) · (909) 860-1144
Dr. Emily Krasowsky, MD
Diamond Bar, CA · $83 in drug and device payments (2025) · (909) 860-1144
Dr. Jong Kim, M.D.,
Diamond Bar, CA · No drug or device payments recorded (2025) · (909) 860-0606
Dr. Michael Maung, M.D.
Diamond Bar, CA · No drug or device payments recorded (2025) · (714) 743-1113
Dr. Nayan Shah, MD
Diamond Bar, CA · No drug or device payments recorded (2025) · (909) 268-3899
Dr. Rene Charles, MD
Dinuba, CA · No drug or device payments recorded (2025) · (559) 591-7229
Dr. Ariel Abrahams, MD
Downey, CA · No drug or device payments recorded (2025) · (562) 923-1112
Dr. Ayman Alladawi, M.D.
Downey, CA · $75 in drug and device payments (2025) · Telehealth · (562) 904-6031
Dr. Devadatt Mishal, M.D.
Downey, CA · $404 in drug and device payments (2025) · (562) 869-4579
Dr. Elbert Chang, D.O.
Downey, CA · $293 in drug and device payments (2025) · (562) 904-6031
Dr. Elizabeth Brundin, MD
Downey, CA · No drug or device payments recorded (2025) · (562) 869-1798
Dr. Fataneh Amidi, MD
Downey, CA · $339 in drug and device payments (2025) · (562) 657-4043
Dr. Hazim Shams, M.D.
Downey, CA · No drug or device payments recorded (2025) · (562) 657-4615
Dr. Hemaxi Desai, DO
Downey, CA · $16 in drug and device payments (2025) · (800) 823-4040
Dr. Jung Park, M.D.
Downey, CA · No drug or device payments recorded (2025) · (562) 862-2775
Dr. Ladan Ayatollahi, CNM, RN, MS
Downey, CA · $338 in drug and device payments (2025) · (562) 904-6031
Dr. Liza Jaime, M.D.
Downey, CA · No drug or device payments recorded (2025) · (562) 657-4102
Dr. Loy Pham, M.D.
Downey, CA · $453 in drug and device payments (2025) · (562) 904-5151
Dr. Manuel Chon, M.D.
Downey, CA · No drug or device payments recorded (2025) · (562) 862-2775
Dr. Marsha Martinson, M.D.
Downey, CA · $297 in drug and device payments (2025) · (562) 657-4043
Dr. Medhat Seif, M.D
Downey, CA · No drug or device payments recorded (2025) · (562) 904-6031
Dr. Nicolae Tudorica, M.D.
Downey, CA · No drug or device payments recorded (2025) · (929) 400-3536

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.

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.

Obstetrics & Gynecology in all 50 states Search all 5,103 in the directory Ask Zach for help choosing

Related

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Obstetrics & Gynecology in California? Get featured.