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. Hind Al-azawi, MD
Newport Beach, CA · $92 in drug and device payments (2025) · (248) 819-1578
Dr. James Barber, MD
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 760-8040
Dr. Jennifer Lee, M.D
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 642-5775
Dr. Jody Lai, M.D.
Newport Beach, CA · $43 in drug and device payments (2025) · (949) 760-9316
Dr. Kenna Schnarr, DO, MS
Newport Beach, CA · $334 in drug and device payments (2025) · (949) 642-5775
Dr. Kenneth Kraus, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 760-1999
Dr. Kristina Mori, MD
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 642-1361
Dr. Lisa Diaz, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 574-9709
Dr. Lisa Hirsch, MD
Newport Beach, CA · $18 in drug and device payments (2025) · (949) 720-0511
Dr. Lisa Karamardian, M.D.
Newport Beach, CA · $263 in drug and device payments (2025) · (949) 760-9316
Dr. Lisa Worsch, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 760-9316
Dr. Lorraine Walker, M.D.
Newport Beach, CA · $26 in drug and device payments (2025) · (949) 491-9991
Dr. Manuela Vazquez, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 644-2722
Dr. Marie Sharpe, M.D.
Newport Beach, CA · $5 in drug and device payments (2025) · (949) 644-2722
Dr. Merle Robboy, MD
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 722-7170
Dr. Monica Aszterbaum, MD
Newport Beach, CA · $12 in drug and device payments (2025) · (949) 559-1911
Dr. Navpreet Chattha, MD
Newport Beach, CA · $69 in drug and device payments (2025) · (949) 644-2722
Dr. Nicolle Underwood, MD
Newport Beach, CA · $22 in drug and device payments (2025) · (949) 644-2722
Dr. Patricia Keresztes-korber, M.D
Newport Beach, CA · $486 in drug and device payments (2025) · (949) 423-7384
Dr. Rhonda Flora, M.D.
Newport Beach, CA · $21 in drug and device payments (2025) · (949) 760-9316
Dr. Richard Agnew, MD OB GYN
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 650-3777
Dr. Stephanie Ricci- Fuhrman, M.D
Newport Beach, CA · $752 in drug and device payments (2025) · (949) 642-5775
Dr. Vinita Speir, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 644-2722
Dr. Vivian Dickerson, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 764-5414
Dr. William Clayton, MD
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 646-2800
Dr. Yonatan Mahller, MD, PHD
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 375-8244
Dr. Zhanna Pinkus, M.D.
Newport Beach, CA · $858 in drug and device payments (2025) · Telehealth · (949) 226-7776
Dr. Megan Early, MD
North Hollywood, CA · No drug or device payments recorded (2025) · (818) 763-8836
Dr. Shadi Rezai, M.D.
North Hollywood, CA · No drug or device payments recorded (2025) · (818) 763-8836
Dr. Anton Ambrose, M.D.
Northridge, CA · No drug or device payments recorded (2025) · (818) 341-3111
Dr. Lisbeth Chang, MD
Northridge, CA · No drug or device payments recorded (2025) · Telehealth · (818) 700-5678
Dr. Neda Ballon Reyes, MD
Northridge, CA · $14 in drug and device payments (2025) · (818) 700-5678
Dr. Sherbanoo Peermahomed, M.D.
Northridge, CA · No drug or device payments recorded (2025) · (818) 677-3666
Dr. Steve Yu, MD
Northridge, CA · $50,961 in drug and device payments (2025) · (818) 700-5678
Dr. Eduardo Guzman, MD
Norwalk, CA · $582 in drug and device payments (2025) · (562) 929-9999
Dr. Jean Vierra, MD
Novato, CA · No drug or device payments recorded (2025) · (415) 899-7400
Dr. Michael Maioriello, M.D.
Novato, CA · No drug or device payments recorded (2025) · (415) 897-6089
Dr. Vicki Darrow, MD
Novato, CA · No drug or device payments recorded (2025) · (415) 899-7400
Dr. Howard Hanks
Oakdale, CA · No drug or device payments recorded (2025) · (209) 847-0900
Dr. Afra Shekarloo, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 437-4323
Dr. Amanda Calhoun, MD
Oakland, CA · $8,400 in drug and device payments (2025) · (510) 752-1000
Dr. Andrew Grimes
Oakland, CA · No drug or device payments recorded (2025) · (510) 437-8500
Dr. Arthur Levit, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 482-0893
Dr. Aubrey Smith, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Barbara Jung, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Betsy O'donnell, M.D.
Oakland, CA · No drug or device payments recorded (2025) · (510) 506-8635
Dr. Bindoo Rellan, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Bonnie Flemming, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 437-4323
Dr. Bonnie Zell, M.D.
Oakland, CA · No drug or device payments recorded (2025) · (510) 625-6213
Dr. Carla Stelling, M.D.
Oakland, CA · $467 in drug and device payments (2025) · Telehealth · (510) 655-1119

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.