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. Cassandra Ndiforchu, M.D.
Carson, CA · No drug or device payments recorded (2025) · (310) 516-0742
Dr. Jessica Yuan
Carson, CA · No drug or device payments recorded (2025) · (310) 222-2345
Dr. Ricardo Huete, M.D.
Carson, CA · $977 in drug and device payments (2025) · (310) 543-5448
Dr. Amanda Yee, MD
Castro Valley, CA · $355 in drug and device payments (2025) · Telehealth · (510) 785-5000
Dr. Ana Bermudez
Castro Valley, CA · $345 in drug and device payments (2025) · (510) 785-5000
Dr. Anna Maria Sapugay, MD
Castro Valley, CA · No drug or device payments recorded (2025) · Telehealth · (510) 886-3400
Dr. Baotram Nguyen, M.D.
Castro Valley, CA · No drug or device payments recorded (2025) · (510) 886-3400
Dr. Garima Loharuka, D.O.
Castro Valley, CA · $32 in drug and device payments (2025) · (510) 247-6330
Dr. Kalaokalani Chandler, M.D.
Castro Valley, CA · $22 in drug and device payments (2025) · Telehealth · (510) 785-5000
Dr. Michael Mcglynn, MD
Castro Valley, CA · No drug or device payments recorded (2025) · (510) 538-8681
Dr. Murray Gould, M.D.
Castro Valley, CA · No drug or device payments recorded (2025) · (510) 881-5203
Dr. Radhika Madhavan, MD
Castro Valley, CA · No drug or device payments recorded (2025) · Telehealth · (510) 886-3400
Dr. Samuel Santoro, DO
Castro Valley, CA · No drug or device payments recorded (2025) · (510) 886-3400
Dr. Suman Veeragandham, M.D.
Castro Valley, CA · No drug or device payments recorded (2025) · (510) 581-2559
Dr. Elliott Edes, MD
Cathedral City, CA · No drug or device payments recorded (2025) · (760) 770-5880
Dr. Girish Patel, M.D.
Cerritos, CA · No drug or device payments recorded (2025) · (562) 865-0083
Dr. Alicia Taylor, M.D.
Chico, CA · No drug or device payments recorded (2025) · (504) 261-9875
Dr. Alicia Wenberg, M.D.
Chico, CA · No drug or device payments recorded (2025) · Telehealth · (530) 895-0423
Dr. Celeste Bailey Pace, MD
Chico, CA · No drug or device payments recorded (2025) · (530) 433-2500
Dr. Christine Sloop, M.D.
Chico, CA · No drug or device payments recorded (2025) · (530) 342-5776
Dr. Joseph Brooks, MD
Chico, CA · No drug or device payments recorded (2025) · (530) 345-5278
Dr. Kacie Rounds
Chico, CA · $1,590 in drug and device payments (2025) · Telehealth · (530) 332-5010
Dr. Kimberly Hunt, M.D.
Chico, CA · $267 in drug and device payments (2025) · (530) 332-5010
Dr. Mark Garrison, DO
Chico, CA · $14,398 in drug and device payments (2025) · Telehealth · (530) 566-0132
Dr. Maurice Valcarenghi, MD
Chico, CA · No drug or device payments recorded (2025) · (530) 343-2024
Dr. Raleigh Unterseher, M.D.
Chico, CA · $2,794 in drug and device payments (2025) · Telehealth · (530) 332-9288
Dr. Sarah Burke, MD
Chico, CA · No drug or device payments recorded (2025) · (530) 332-5010
Dr. Savannah Waldrop, DO
Chico, CA · $20 in drug and device payments (2025) · (530) 332-5010
Dr. Scott Mellum, M.D.
Chico, CA · No drug or device payments recorded (2025) · (530) 894-8944
Dr. Nichole Adair, D.O.
Chino, CA · No drug or device payments recorded (2025) · (909) 226-7036
Dr. Robert Lopez, M.D.
Chino, CA · $126 in drug and device payments (2025) · (909) 548-6820
Dr. Pamela Higa, MD
Chino Hills, CA · $47 in drug and device payments (2025) · (909) 929-2513
Dr. Azita Aslian, MD
Chula Vista, CA · $115 in drug and device payments (2025) · (619) 691-7000
Dr. Blair Henderson, M.D.
Chula Vista, CA · No drug or device payments recorded (2025) · (858) 499-2704
Dr. Cristina Flores, MD
Chula Vista, CA · $32 in drug and device payments (2025) · (619) 948-5008
Dr. Jorge Arce, M.D.
Chula Vista, CA · No drug or device payments recorded (2025) · (619) 422-2000
Dr. Juan Rivera, M.D.
Chula Vista, CA · $287 in drug and device payments (2025) · (619) 241-9472
Dr. Karen Kobayashi, D.O.
Chula Vista, CA · $32 in drug and device payments (2025) · (619) 502-5800
Dr. Kenny Choi, M.D.
Chula Vista, CA · $218 in drug and device payments (2025) · (858) 260-7825
Dr. Keri Cowles, MD
Chula Vista, CA · No drug or device payments recorded (2025) · (858) 499-2702
Dr. Latisa Carson, M.D.
Chula Vista, CA · $445 in drug and device payments (2025) · (619) 475-9744
Dr. Lesley Nurse, MD
Chula Vista, CA · No drug or device payments recorded (2025) · (619) 205-1360
Dr. Mimi Shaffer, M.D.
Chula Vista, CA · No drug or device payments recorded (2025) · (858) 499-2702
Dr. Oscar Bolch, M.D.
Chula Vista, CA · No drug or device payments recorded (2025) · (858) 499-2702
Dr. Phillip Diamond, M.D.
Chula Vista, CA · No drug or device payments recorded (2025) · (858) 499-2702
Dr. Pourang Kamali, M.D.
Chula Vista, CA · $1,052 in drug and device payments (2025) · Telehealth · (619) 754-6120
Dr. Rick Chac, M.D.
Chula Vista, CA · $182 in drug and device payments (2025) · (619) 482-2400
Dr. Schubert Atiga
Chula Vista, CA · $103 in drug and device payments (2025) · Telehealth · (619) 482-8406
Dr. Tammy Rouleau, N.P.
Chula Vista, CA · No drug or device payments recorded (2025) · (619) 397-3274
Dr. William Quillin, MD
Chula Vista, CA · No drug or device payments recorded (2025) · (619) 585-1811

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.