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. Deborah Ansley, MD
Pleasanton, CA · No drug or device payments recorded (2025) · (925) 847-5000
Dr. Elena Sagayan, MD
Pleasanton, CA · No drug or device payments recorded (2025) · (925) 847-5000
Dr. Gabrielle Schaefer, MD
Pleasanton, CA · No drug or device payments recorded (2025) · (925) 734-3333
Dr. Gul Qidwai, MD
Pleasanton, CA · No drug or device payments recorded (2025) · (925) 847-5000
Dr. Hanh-nguyen Do, MD
Pleasanton, CA · $9 in drug and device payments (2025) · (258) 479-3000
Dr. Janis Kahn, MD
Pleasanton, CA · No drug or device payments recorded (2025) · (925) 847-5000
Dr. Jennifer Adey, MD
Pleasanton, CA · $23 in drug and device payments (2025) · (925) 734-3333
Dr. Karen Simpson, MD
Pleasanton, CA · No drug or device payments recorded (2025) · (925) 847-5000
Dr. Kerry-ann Kelly, MD
Pleasanton, CA · No drug or device payments recorded (2025) · Telehealth · (925) 734-3333
Dr. Kevin Woo, MD
Pleasanton, CA · No drug or device payments recorded (2025) · (925) 847-5000
Dr. Maya Nambisan, M.D.
Pleasanton, CA · $22 in drug and device payments (2025) · Telehealth · (925) 734-3333
Dr. Monica Cheong, MD
Pleasanton, CA · No drug or device payments recorded (2025) · (925) 847-5000
Dr. Nuria Garcia-ruiz, M.D.
Pleasanton, CA · $252 in drug and device payments (2025) · (925) 734-3333
Dr. Peggy Hsu, MD
Pleasanton, CA · No drug or device payments recorded (2025) · (925) 847-5000
Dr. Pratima Shukla, MD
Pleasanton, CA · No drug or device payments recorded (2025) · (925) 847-5000
Dr. Pushpa Dalal, MD
Pleasanton, CA · No drug or device payments recorded (2025) · (925) 426-1411
Dr. Rebecca Stone, MD
Pleasanton, CA · No drug or device payments recorded (2025) · (925) 734-3333
Dr. Sonia Santana, DO
Pleasanton, CA · No drug or device payments recorded (2025) · (925) 416-6846
Dr. Sruti Surugucchi, M.D.
Pleasanton, CA · No drug or device payments recorded (2025) · (925) 847-5050
Dr. Stephen Williams, M.D.
Pleasanton, CA · No drug or device payments recorded (2025) · (925) 734-6655
Dr. Todd Dillard, MD
Pleasanton, CA · No drug or device payments recorded (2025) · (925) 847-5000
Dr. Tun Lee, M.D.
Pleasanton, CA · No drug or device payments recorded (2025) · (925) 416-6846
Dr. Valerie Camille Roque, MD
Pleasanton, CA · No drug or device payments recorded (2025) · (408) 310-2592
Dr. William Phillips, M.D.
Pleasanton, CA · No drug or device payments recorded (2025) · (925) 734-6655
Dr. Abdul Kublan, MD
Pomona, CA · $128 in drug and device payments (2025) · (909) 464-0009
Dr. David Choi, M.D.
Pomona, CA · No drug or device payments recorded (2025) · (909) 620-1976
Dr. Francisco Cuellar, M.D.
Pomona, CA · No drug or device payments recorded (2025) · (909) 784-2490
Dr. Frank Chiang, MD
Pomona, CA · No drug or device payments recorded (2025) · (909) 622-5654
Dr. Jesse Woo, M.D.
Pomona, CA · $126 in drug and device payments (2025) · (909) 469-0890
Dr. Ju Rhee, MD
Pomona, CA · No drug or device payments recorded (2025) · (909) 623-9671
Dr. Kelly Smith, M.D.
Pomona, CA · $649 in drug and device payments (2025) · (909) 622-5654
Dr. Maria Siu, D.O.
Pomona, CA · No drug or device payments recorded (2025) · (909) 622-5654
Dr. Simmi Dhaliwal, M.D.
Pomona, CA · $479 in drug and device payments (2025) · (909) 622-5654
Dr. Srijita Sarkar, MD
Pomona, CA · $588 in drug and device payments (2025) · (909) 438-7643
Dr. Stephanie Cropper
Pomona, CA · $812 in drug and device payments (2025) · (909) 622-5654
Dr. Tahira Akram, MD
Pomona, CA · No drug or device payments recorded (2025) · (909) 593-4400
Dr. Vijay Katukota, M.D;F.A.C.O.G
Pomona, CA · $403 in drug and device payments (2025) · (909) 623-9900
Dr. John Nguyen, M.D.
Porterville, CA · $353 in drug and device payments (2025) · (559) 781-3700
Dr. Louis Ling, MD
Porterville, CA · No drug or device payments recorded (2025) · (559) 782-2222
Dr. Maria Hernandez, MD
Porterville, CA · No drug or device payments recorded (2025) · (559) 781-7242
Dr. Satwant Dhillon, M.D.
Porterville, CA · $144 in drug and device payments (2025) · (920) 563-8900
Dr. Sukumar Misra, M.D
Porterville, CA · $97 in drug and device payments (2025) · (559) 791-3933
Dr. David Crownover, MD, DC
Port Hueneme, CA · $497 in drug and device payments (2025) · (805) 652-4267
Dr. Jessica Kassis, M.D.
Portola Valley, CA · No drug or device payments recorded (2025) · (650) 585-3272
Dr. Rachel Perlman
Portola Valley, CA · No drug or device payments recorded (2025) · (650) 851-6650
Dr. Colette Eastman, DO
Poway, CA · No drug or device payments recorded (2025) · (858) 485-0130
Dr. Farina Islam, M.D.
Poway, CA · No drug or device payments recorded (2025) · (858) 485-0130
Dr. Helen Chang, M.D.
Poway, CA · No drug or device payments recorded (2025) · (858) 485-9822
Dr. Li Fan, M.D.
Poway, CA · $861 in drug and device payments (2025) · Telehealth · (858) 451-7944
Dr. Timothy Maresh, MD
Poway, CA · No drug or device payments recorded (2025) · (858) 451-7944

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.