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 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. Jenny Jean, M.D.Riverside, CA · $172 in drug and device payments (2025) ·
(951) 360-5265 Dr. Joanna Quinn, D.O.Riverside, CA · No drug or device payments recorded (2025) ·
(915) 353-3314 Dr. John King, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 782-3851 Dr. Karin Jones, MDRiverside, CA · $36 in drug and device payments (2025) ·
(909) 353-2000 Dr. Kathryn Hayes, MDRiverside, CA · No drug or device payments recorded (2025) ·
(909) 353-2000 Dr. Kenneth Dozier, MDRiverside, CA · $73 in drug and device payments (2025) ·
(951) 782-3844 Dr. Kenneth Su, MDRiverside, CA · No drug or device payments recorded (2025) ·
(909) 353-2000 Dr. Kiran Bharadwa, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 353-3314 Dr. Leila MagistradoRiverside, CA · $922 in drug and device payments (2025) ·
(951) 823-0441 Dr. Leopoldo Valdivia, D.O.Riverside, CA · No drug or device payments recorded (2025) ·
(833) 867-4642 Dr. Letitia Spencer, MDRiverside, CA · $176 in drug and device payments (2025) ·
(909) 353-2000 Dr. Lindsay Tan, MDRiverside, CA · No drug or device payments recorded (2025) ·
(909) 353-2000 Dr. Lin Ota, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 360-5265 Dr. Lisa Banh, PARiverside, CA · $82 in drug and device payments (2025) ·
(951) 343-3477 Dr. Mark Bernhardt, MDRiverside, CA · No drug or device payments recorded (2025) ·
(909) 353-2000 Dr. Natalie Rivera, MDRiverside, CA · $2,058 in drug and device payments (2025) ·
(844) 827-8000 Dr. Ok Kim, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 351-1071 Dr. Pooja BrarRiverside, CA · $123 in drug and device payments (2025) ·
(951) 683-4695 Dr. Richard Chen, MDRiverside, CA · $379 in drug and device payments (2025) ·
(503) 757-1195 Dr. Robert Banwart, MDRiverside, CA · No drug or device payments recorded (2025) ·
(909) 353-2000 Dr. Rodolfo Rey, MDRiverside, CA · $255 in drug and device payments (2025) · Telehealth ·
(951) 354-2229 Dr. Rodolfo Saenz, M.D.Riverside, CA · $447 in drug and device payments (2025) ·
(951) 585-1800 Dr. Romie Basu, MDRiverside, CA · No drug or device payments recorded (2025) ·
(909) 353-2000 Dr. Roselie Bauman, MDRiverside, CA · No drug or device payments recorded (2025) ·
(909) 353-2000 Dr. Sabah Langston, D.O.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 353-2000 Dr. Samah Arsanious, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 500-2624 Dr. Sandhya Menda, MDRiverside, CA · No drug or device payments recorded (2025) ·
(909) 353-2000 Dr. Serafin Salazar, M.D.Riverside, CA · $1,139 in drug and device payments (2025) ·
(951) 823-0441 Dr. Shahper Khalid, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 352-8598 Dr. Sudha Moola, MDRiverside, CA · $197 in drug and device payments (2025) ·
(951) 732-7834 Dr. Susrap Song, MDRiverside, CA · $98 in drug and device payments (2025) ·
(951) 697-5505 Dr. Thuan Le, MDRiverside, CA · $1,000 in drug and device payments (2025) ·
(951) 782-3844 Dr. Tiffanie Moore, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 353-2000 Dr. Valerie Galvan-turner, M.D.Riverside, CA · $30,147 in drug and device payments (2025) ·
(951) 319-7326 Dr. Helene Spivak, MDRohnert Park, CA · $271 in drug and device payments (2025) · Telehealth ·
(707) 792-2229 Dr. Anne WalkerRolling Hills Estates, CA · No drug or device payments recorded (2025) ·
(310) 407-9243 Dr. Jeffrey Wolf, M.D.Rolling Hills Estates, CA · No drug or device payments recorded (2025) ·
(714) 226-6567 Dr. Helen Huynh, D.ORosemead, CA · No drug or device payments recorded (2025) ·
(626) 779-8900 Dr. Lina Wong, D.O.Rosemead, CA · No drug or device payments recorded (2025) ·
(626) 773-8900 Dr. Wei GuoRosemead, CA · No drug or device payments recorded (2025) ·
(626) 773-8900 Dr. Alisha Watkins, MDRoseville, CA · No drug or device payments recorded (2025) ·
(916) 784-4000 Dr. Amy Riley, M.D.Roseville, CA · No drug or device payments recorded (2025) ·
(916) 773-7977 Dr. Ashley Cheongsiatmoy, M.D.Roseville, CA · $1,811 in drug and device payments (2025) ·
(916) 755-1298 Dr. Bahareh Nejad, M.D.Roseville, CA · $44,145 in drug and device payments (2025) · Telehealth ·
(916) 783-7109 Dr. Belinda Perez, M.D.Roseville, CA · No drug or device payments recorded (2025) ·
(916) 746-3960 Dr. Blake Lambourne, MEDICAL DOCTORRoseville, CA · $230 in drug and device payments (2025) ·
(916) 782-2229 Dr. Catherine Dodson, MDRoseville, CA · No drug or device payments recorded (2025) ·
(916) 773-7977 Dr. Catherine Watson, MDRoseville, CA · No drug or device payments recorded (2025) ·
(916) 784-4000 Dr. Cathy Baker, MDRoseville, CA · No drug or device payments recorded (2025) ·
(916) 784-4000 Dr. Danielle Granieri, D.O.Roseville, CA · No drug or device payments recorded (2025) ·
(925) 737-3785 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.
- Pregnancy care
- Endometriosis
- Fibroids
- PCOS
- Menopause
- Contraception
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.
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