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. Nicolas Dikio, MD
Downey, CA · No drug or device payments recorded (2025) · (562) 904-5151
Dr. Penelope Velasco, MD
Downey, CA · $241 in drug and device payments (2025) · (562) 904-6031
Dr. Phuong Truong-yue, MD
Downey, CA · $941 in drug and device payments (2025) · (562) 869-4579
Dr. Rebecca Roy, M.D.
Downey, CA · No drug or device payments recorded (2025) · (800) 823-4040
Dr. Sabrina Leung, MD
Downey, CA · $122 in drug and device payments (2025) · (562) 904-6031
Dr. Shant Ashdjian, M.D.
Downey, CA · No drug or device payments recorded (2025) · (562) 657-4718
Dr. Sharon Jakus-waldman, M.D.
Downey, CA · No drug or device payments recorded (2025) · (562) 657-2909
Dr. Wayne Weber, MD
Downey, CA · No drug or device payments recorded (2025) · (562) 862-5121
Dr. Ana Tergas, MD
Duarte, CA · No drug or device payments recorded (2025) · (626) 256-4673
Dr. Jessica Valdez, M.D., MPH
Duarte, CA · No drug or device payments recorded (2025) · (800) 826-4673
Dr. Vinita Popat, MD
Duarte, CA · No drug or device payments recorded (2025) · (800) 826-4673
Dr. Connie Widdowson, D O
Dublin, CA · No drug or device payments recorded (2025) · (925) 875-6100
Dr. Karen Carlson, M.D.
Dublin, CA · No drug or device payments recorded (2025) · (925) 875-6100
Dr. Laura Silverstein, MD
Dublin, CA · No drug or device payments recorded (2025) · (925) 875-6546
Dr. Madhumita Govindaswamy, MD
Dublin, CA · No drug or device payments recorded (2025) · (925) 875-6546
Dr. Megan Beatty, M.D.
Dublin, CA · No drug or device payments recorded (2025) · (925) 875-6100
Dr. Michelle Oliveira, M.D.
Dublin, CA · No drug or device payments recorded (2025) · (925) 875-6546
Dr. Nam Nguyen, MD
Dublin, CA · No drug or device payments recorded (2025) · Telehealth · (925) 875-6546
Dr. Nancy Pham-thomas, MD
Dublin, CA · No drug or device payments recorded (2025) · (925) 875-6546
Dr. Nancy Tang, M.D.
Dublin, CA · No drug or device payments recorded (2025) · Telehealth · (925) 875-6100
Dr. Nicole Jeffrey-starr, MD
Dublin, CA · No drug or device payments recorded (2025) · Telehealth · (925) 875-6546
Dr. Pallavi Shikaripur Nadig, M.D.
Dublin, CA · No drug or device payments recorded (2025) · (925) 875-6211
Dr. Jordan Emont, MD MPH SCM
East Palo Alto, CA · No drug or device payments recorded (2025) · (650) 330-7400
Dr. Mohamedali Ismailjee, M.D.
Eastvale, CA · $85 in drug and device payments (2025) · (951) 739-2715
Dr. Aliya Khan, MD
El Cajon, CA · $24 in drug and device payments (2025) · (619) 795-5991
Dr. Ayser Al-mshhdani, MD
El Cajon, CA · $24 in drug and device payments (2025) · (619) 277-4678
Dr. Edgar Bulloch, MD
El Cajon, CA · $21 in drug and device payments (2025) · (619) 401-0404
Dr. Marissa Brown, M.D.
El Cajon, CA · No drug or device payments recorded (2025) · (619) 528-5000
Dr. Mary Sullivan, MD
El Cajon, CA · No drug or device payments recorded (2025) · (619) 401-0404
Dr. Niloufer Dennis, M.D.
El Cajon, CA · $211 in drug and device payments (2025) · (800) 395-9431
Dr. Lawrence Arguilez, MD
El Centro, CA · No drug or device payments recorded (2025) · (602) 792-2030
Dr. Stephen Gocke, M.D.
El Centro, CA · No drug or device payments recorded (2025) · (760) 352-2257
Dr. Anat Sapan, MD
El Cerrito, CA · No drug or device payments recorded (2025) · (707) 816-6549
Dr. Mary Davenport, M.D.
El Cerrito, CA · No drug or device payments recorded (2025) · (314) 888-5233
Dr. Lisa Chodak, M.D.
El Dorado Hills, CA · No drug or device payments recorded (2025) · (916) 933-4222
Dr. Sohrab Behbahani, MD
El Dorado Hills, CA · No drug or device payments recorded (2025) · (530) 917-5226
Dr. Alison Hastings, DO
Elk Grove, CA · $22 in drug and device payments (2025) · (916) 691-5996
Dr. Angelia Wang, MD, MPH
Elk Grove, CA · No drug or device payments recorded (2025) · (916) 691-5996
Dr. Anne Srisuro, MD
Elk Grove, CA · No drug or device payments recorded (2025) · (916) 478-5000
Dr. Christiana Kopf, M.D.
Elk Grove, CA · No drug or device payments recorded (2025) · (916) 691-5996
Dr. Christine Jang, MD
Elk Grove, CA · No drug or device payments recorded (2025) · (916) 478-5000
Dr. Elizabeth Gonzalez, M.D.
Elk Grove, CA · No drug or device payments recorded (2025) · (916) 691-5996
Dr. Gregory Douglas, MD
Elk Grove, CA · $351 in drug and device payments (2025) · (916) 896-1650
Dr. Helen Otteno, MD
Elk Grove, CA · No drug or device payments recorded (2025) · (916) 843-7000
Dr. Jenifer Burkhalter, MD
Elk Grove, CA · $17 in drug and device payments (2025) · (916) 691-5996
Dr. Kimberly Collins, M.D.
Elk Grove, CA · No drug or device payments recorded (2025) · (916) 691-5996
Dr. Marissa Chinn, MD
Elk Grove, CA · No drug or device payments recorded (2025) · (916) 691-5996
Dr. Maureen Park, MD
Elk Grove, CA · No drug or device payments recorded (2025) · (916) 478-5000
Dr. Minajoy Sebastian, MD
Elk Grove, CA · No drug or device payments recorded (2025) · (916) 478-5000
Dr. Rachel Dong, MD
Elk Grove, CA · No drug or device payments recorded (2025) · (916) 478-5000

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.