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. Alice Yun, M.D.
Glendale, CA · $460 in drug and device payments (2025) · (818) 952-5322
Dr. Angel Robinson, MD MPH
Glendale, CA · $195 in drug and device payments (2025) · (818) 409-8215
Dr. Armineh Tavitian, M.D.
Glendale, CA · No drug or device payments recorded (2025) · (818) 637-7613
Dr. Carmen Cueto, MD
Glendale, CA · $149 in drug and device payments (2025) · (818) 658-5980
Dr. Chand Aryasingha, M.D.
Glendale, CA · No drug or device payments recorded (2025) · (818) 790-2327
Dr. Ignacio Valdes, MD
Glendale, CA · $232 in drug and device payments (2025) · (818) 502-4567
Dr. John Artenos, M.D
Glendale, CA · No drug or device payments recorded (2025) · (818) 409-8084
Dr. John Cabrera, M.D
Glendale, CA · $305 in drug and device payments (2025) · (818) 502-4567
Dr. Joseph Mutch, M.D.
Glendale, CA · No drug or device payments recorded (2025) · (818) 790-8121
Dr. Kevin Galstyan, M.D.
Glendale, CA · $375 in drug and device payments (2025) · (818) 637-7618
Dr. Kolleen Obannon Henderson, NP
Glendale, CA · No drug or device payments recorded (2025) · (818) 249-6636
Dr. Laila Al-marayati, M.D.
Glendale, CA · $78 in drug and device payments (2025) · Telehealth · (818) 658-5980
Dr. Marcia Ciccone, MD
Glendale, CA · $178 in drug and device payments (2025) · Telehealth · (818) 658-5980
Dr. Michael Frields, MD
Glendale, CA · No drug or device payments recorded (2025) · (818) 247-1476
Dr. Nathalie Nguyen, D.O.
Glendale, CA · No drug or device payments recorded (2025) · (818) 409-8215
Dr. Nicole Chadwick, M.D.
Glendale, CA · No drug or device payments recorded (2025) · (818) 658-5980
Dr. Ronald Woodard, M.D.
Glendale, CA · $584 in drug and device payments (2025) · (818) 790-8121
Dr. Ryan Lee, M.D.
Glendale, CA · $268 in drug and device payments (2025) · (818) 502-4567
Dr. Samantha Han, M.D.
Glendale, CA · $561 in drug and device payments (2025) · (188) 243-3140
Dr. Selena Lantry, M.D,
Glendale, CA · $286 in drug and device payments (2025) · (818) 247-2164
Dr. Sharon Nelson, M.D.
Glendale, CA · $440 in drug and device payments (2025) · (818) 790-8121
Dr. Shirley Chan
Glendale, CA · $416 in drug and device payments (2025) · (818) 243-8431
Dr. Shivani Shah, M.D.
Glendale, CA · $28 in drug and device payments (2025) · (818) 637-2000
Dr. Terre Osterkamp, M.D.
Glendale, CA · No drug or device payments recorded (2025) · (818) 790-8121
Dr. V Pourzand, M.D.
Glendale, CA · $6,747 in drug and device payments (2025) · Telehealth · (818) 545-8322
Dr. Ann Terai Escamillo, M.D.
Glendora, CA · No drug or device payments recorded (2025) · (626) 963-4124
Dr. Jacqueline Bracy, M.D.
Glendora, CA · No drug or device payments recorded (2025) · (626) 852-0411
Dr. Jeffrey Lee, M.D.
Glendora, CA · No drug or device payments recorded (2025) · (626) 914-4685
Dr. Naim Kassar, M.D.
Glendora, CA · No drug or device payments recorded (2025) · (626) 963-4124
Dr. Oriel Nissim
Glendora, CA · No drug or device payments recorded (2025) · (626) 963-4124
Dr. Samuel Kassar, MD
Glendora, CA · $38 in drug and device payments (2025) · (626) 963-4124
Dr. Steven Alvarez-mott, M.D.
Glendora, CA · No drug or device payments recorded (2025) · (626) 963-4124
Dr. Margaret Echt, MD
Goleta, CA · $124 in drug and device payments (2025) · (805) 682-8166
Dr. Katherine Overton, M.D
Goshen, CA · No drug or device payments recorded (2025) · (877) 960-3426
Dr. Ramon Ferra, MD
Grand Terrace, CA · No drug or device payments recorded (2025) · (909) 864-1097
Dr. Denise Sweeney, MEDICAL DOCTOR
Granite Bay, CA · $56 in drug and device payments (2025) · (916) 872-1172
Dr. Martha Garcia, M.D.
Granite Bay, CA · No drug or device payments recorded (2025) · (916) 778-7383
Dr. Deborah Chong, M.D.
Grass Valley, CA · No drug or device payments recorded (2025) · (530) 477-3119
Dr. Erin Macdonald, M.D.
Grass Valley, CA · No drug or device payments recorded (2025) · (530) 477-3119
Dr. Faye Jensen, M.D.
Grass Valley, CA · $42 in drug and device payments (2025) · (530) 272-9615
Dr. Leonard Leon, M.D.
Grass Valley, CA · No drug or device payments recorded (2025) · (530) 273-8486
Dr. Lystra Wilson-celestine, MD
Grass Valley, CA · $1,576 in drug and device payments (2025) · (530) 477-3119
Dr. Mahnee Dinsmore, M.D.
Grass Valley, CA · No drug or device payments recorded (2025) · (530) 477-3119
Dr. Phillip Kintner, MD
Grass Valley, CA · No drug or device payments recorded (2025) · (530) 477-3119
Dr. Alexis Cardellini, M.D.
Greenbrae, CA · $50 in drug and device payments (2025) · Telehealth · (415) 461-7800
Dr. Alyssa Lo, MD
Greenbrae, CA · $237 in drug and device payments (2025) · Telehealth · (415) 461-7800
Dr. Amanda Deson, D.O.
Greenbrae, CA · $94 in drug and device payments (2025) · Telehealth · (415) 461-7800
Dr. Amber Jaeger, M.D.
Greenbrae, CA · No drug or device payments recorded (2025) · (415) 925-7591
Dr. Brian Demuth, MD
Greenbrae, CA · $89 in drug and device payments (2025) · Telehealth · (415) 461-7800
Dr. Cortney Harper, M.D.
Greenbrae, CA · No drug or device payments recorded (2025) · (415) 461-7800

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.