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. Reza Shafee, M.D.
Santa Ana, CA · $204 in drug and device payments (2025) · (714) 352-2287
Dr. Sergio Levenzon, MD
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 953-4242
Dr. Sing Tung, MD
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 754-0498
Dr. Somchai Werasophon, M.D.
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 542-1331
Dr. Van Nguyen, DO
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 929-2300
Dr. Vincent Welter, M.D.
Santa Ana, CA · No drug or device payments recorded (2025) · (877) 569-5671
Dr. Witoon Krailas, MD
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 554-8966
Dr. Ayesha Shaikh, MD
Santa Barbara, CA · No drug or device payments recorded (2025) · (805) 687-5500
Dr. Barbara Mathews, M.D.
Santa Barbara, CA · No drug or device payments recorded (2025) · (805) 687-7778
Dr. Brittany Gray, DO/MPH
Santa Barbara, CA · No drug or device payments recorded (2025) · (805) 682-7111
Dr. Carin Craig, MD
Santa Barbara, CA · $286 in drug and device payments (2025) · (805) 681-1761
Dr. David Nomeland, M.D.
Santa Barbara, CA · No drug or device payments recorded (2025) · (805) 681-1761
Dr. David Raphael, M.D.
Santa Barbara, CA · $169 in drug and device payments (2025) · (805) 681-1761
Dr. Duncan Turner, MD
Santa Barbara, CA · $61 in drug and device payments (2025) · (805) 962-1957
Dr. Elizabeth Toro, M.D.
Santa Barbara, CA · $25 in drug and device payments (2025) · (805) 893-2595
Dr. Ella Stern Jacobs
Santa Barbara, CA · No drug or device payments recorded (2025) · (805) 879-8160
Dr. Elliott Breslar, M.D.
Santa Barbara, CA · No drug or device payments recorded (2025) · (805) 969-0456
Dr. Heather Terbell, M.D.
Santa Barbara, CA · $52 in drug and device payments (2025) · Telehealth · (805) 898-3282
Dr. Jeffrey Johnson, M.D.
Santa Barbara, CA · $80 in drug and device payments (2025) · (805) 879-8160
Dr. Jessica Rosenblum
Santa Barbara, CA · $14 in drug and device payments (2025) · (805) 879-8160
Dr. John Vanderheide, M.D.
Santa Barbara, CA · No drug or device payments recorded (2025) · (806) 681-1761
Dr. Julia Ray, DO
Santa Barbara, CA · $117 in drug and device payments (2025) · (805) 364-0996
Dr. Karen Song, MD
Santa Barbara, CA · $87 in drug and device payments (2025) · (805) 879-8160
Dr. Katherine Lee, MD
Santa Barbara, CA · $25 in drug and device payments (2025) · (805) 681-8911
Dr. K Dresel-velasquez, MD
Santa Barbara, CA · $27 in drug and device payments (2025) · (805) 681-8911
Dr. Kellie Delozier, MD
Santa Barbara, CA · No drug or device payments recorded (2025) · (805) 893-7857
Dr. Lisa Lepine, MD
Santa Barbara, CA · $18 in drug and device payments (2025) · Telehealth · (805) 324-9400
Dr. Mary Ciotti, M.D.
Santa Barbara, CA · No drug or device payments recorded (2025) · (916) 205-2120
Dr. Meghan Wallman, MD
Santa Barbara, CA · $52 in drug and device payments (2025) · (805) 681-8911
Dr. Melissa Drake, M.D.
Santa Barbara, CA · No drug or device payments recorded (2025) · (805) 455-6500
Dr. Mohamed Zaki, M.D.
Santa Barbara, CA · No drug or device payments recorded (2025) · (805) 682-7109
Dr. Nandini Nittur, MD
Santa Barbara, CA · $52 in drug and device payments (2025) · (805) 681-7500
Dr. Pedram Rashti, M.D.
Santa Barbara, CA · No drug or device payments recorded (2025) · (805) 682-7109
Dr. Ralph Quijano, MD
Santa Barbara, CA · No drug or device payments recorded (2025) · (805) 965-7400
Dr. Stephanie Handler, MD
Santa Barbara, CA · $1,146 in drug and device payments (2025) · Telehealth · (805) 682-7111
Dr. Susanne Ramos, M.D.
Santa Barbara, CA · $195 in drug and device payments (2025) · (805) 898-4443
Dr. Andrea Hutchinson, MD
Santa Clara, CA · No drug or device payments recorded (2025) · (408) 851-1000
Dr. Anh Nguyen, MD
Santa Clara, CA · No drug or device payments recorded (2025) · (408) 851-1000
Dr. Avis Chan, MD, MS
Santa Clara, CA · No drug or device payments recorded (2025) · (408) 851-1000
Dr. Barbara Ha
Santa Clara, CA · $22 in drug and device payments (2025) · (408) 851-1000
Dr. Bernadette Macart, MD
Santa Clara, CA · No drug or device payments recorded (2025) · (408) 851-1000
Dr. Bianca Mosley, M.D.
Santa Clara, CA · $18 in drug and device payments (2025) · (408) 236-4921
Dr. Brian Sitarz, MD
Santa Clara, CA · No drug or device payments recorded (2025) · (408) 851-1000
Dr. Chandri Chandavarkar, MD
Santa Clara, CA · No drug or device payments recorded (2025) · (408) 851-1000
Dr. Chinmayi Aryasomayajula, MD
Santa Clara, CA · No drug or device payments recorded (2025) · (408) 851-7300
Dr. Cindy Phan, MD
Santa Clara, CA · No drug or device payments recorded (2025) · (408) 851-1000
Dr. Claudia Leiva, M.D.
Santa Clara, CA · $1,028 in drug and device payments (2025) · (408) 236-5851
Dr. David Levin, MD
Santa Clara, CA · No drug or device payments recorded (2025) · (408) 851-1000
Dr. Debora Sawyer, MD
Santa Clara, CA · No drug or device payments recorded (2025) · (408) 851-1000
Dr. Emily Adams-piper, M.D.
Santa Clara, CA · $14 in drug and device payments (2025) · (408) 851-3842

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.