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. Moses Mukai, D.O.Apple Valley, CA · No drug or device payments recorded (2025) ·
(760) 240-5505 Dr. Sarah Noppen, D.O.Apple Valley, CA · No drug or device payments recorded (2025) ·
(760) 247-6444 Dr. Vijay Arora, M.D.Apple Valley, CA · $120 in drug and device payments (2025) · Telehealth ·
(760) 242-2146 Dr. Viruch Vachirakorntong, M.D.Apple Valley, CA · $171 in drug and device payments (2025) ·
(760) 242-2271 Dr. Alexandra Klikoff, M.D. Dr. Arthur Cooley, M.D.Aptos, CA · No drug or device payments recorded (2025) ·
(831) 688-3329 Dr. Christine Domenik, M.D.Aptos, CA · No drug or device payments recorded (2025) ·
(650) 255-8366 Dr. Andrew Yeh, DOArcadia, CA · $182 in drug and device payments (2025) · Telehealth ·
(626) 821-9892 Dr. Anya Rose, MDArcadia, CA · $157 in drug and device payments (2025) ·
(626) 461-7071 Dr. Kee Koh, M.D.Arcadia, CA · No drug or device payments recorded (2025) ·
(626) 821-9892 Dr. Margaret Juarez, MDArcadia, CA · $821 in drug and device payments (2025) · Telehealth ·
(626) 462-0000 Dr. Marie Johnson, D.O.Arcadia, CA · No drug or device payments recorded (2025) ·
(626) 777-1133 Dr. Megan Gau, M.D., M.H.S.Arcadia, CA · $145 in drug and device payments (2025) ·
(626) 461-7071 Dr. Prema Kothandaraman, M.D.Arcadia, CA · $618 in drug and device payments (2025) · Telehealth ·
(626) 358-1970 Dr. Robert Morrison, M.D.Arcadia, CA · No drug or device payments recorded (2025) ·
(626) 447-4400 Dr. Thomas Yamamoto, MDArcadia, CA · No drug or device payments recorded (2025) ·
(626) 462-1884 Dr. Emma Hackett, M.D.Arcata, CA · No drug or device payments recorded (2025) ·
(707) 825-7588 Dr. Bruce Monroy, MDArroyo Grande, CA · $123 in drug and device payments (2025) ·
(805) 270-1700 Dr. Eric Chan, M.D.Arroyo Grande, CA · $51 in drug and device payments (2025) ·
(626) 927-0874 Dr. Jane Lee, M.D.Arroyo Grande, CA · $67 in drug and device payments (2025) ·
(805) 270-1700 Dr. Mary Jackson, M.D.Arroyo Grande, CA · No drug or device payments recorded (2025) ·
(805) 459-0529 Dr. Neil Correia, M.D.Arroyo Grande, CA · No drug or device payments recorded (2025) ·
(805) 410-8971 Dr. Cornelius Lane, MDAuburn, CA · No drug or device payments recorded (2025) ·
(530) 887-0646 Dr. Nancy West, MDAuburn, CA · No drug or device payments recorded (2025) ·
(530) 885-2186 Dr. Phil Adamson, MDAuburn, CA · No drug or device payments recorded (2025) ·
(530) 268-1818 Dr. Addias Mervin, M.D.Bakersfield, CA · No drug or device payments recorded (2025) ·
(833) 678-2781 Dr. Alexandra Havard, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 852-3667 Dr. Alicia Hitch, M.D.Bakersfield, CA · No drug or device payments recorded (2025) ·
(661) 326-2000 Dr. Antonio Garcia, M.D.Bakersfield, CA · $53 in drug and device payments (2025) · Telehealth ·
(661) 322-6700 Dr. Armi Mazzeo, M.D.Bakersfield, CA · No drug or device payments recorded (2025) ·
(661) 633-2229 Dr. Arthur Park, M.D.Bakersfield, CA · No drug or device payments recorded (2025) ·
(661) 663-0818 Dr. Basem Bernaba, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 835-1240 Dr. Cary Shakespeare, MDBakersfield, CA · $83 in drug and device payments (2025) ·
(661) 633-2229 Dr. Cecile Sherrod, M.D.Bakersfield, CA · No drug or device payments recorded (2025) ·
(661) 635-3050 Dr. Chibuike Anucha, MDBakersfield, CA · $159 in drug and device payments (2025) ·
(661) 845-3731 Dr. Christopher Smale, M.D.Bakersfield, CA · No drug or device payments recorded (2025) ·
(661) 327-4885 Dr. Debra Stewart, D.O.Bakersfield, CA · $34 in drug and device payments (2025) ·
(833) 678-2781 Dr. Deng Fong, M.D.Bakersfield, CA · No drug or device payments recorded (2025) ·
(661) 322-2331 Dr. Doreen Tadokoro, D.O.Bakersfield, CA · No drug or device payments recorded (2025) ·
(661) 843-7673 Dr. Edward Allen, M.D.Bakersfield, CA · $110 in drug and device payments (2025) ·
(661) 326-0333 Dr. Elva Lopez, M.D.Bakersfield, CA · $249 in drug and device payments (2025) · Telehealth ·
(661) 637-0137 Dr. Emmary Butler, MDBakersfield, CA · $32 in drug and device payments (2025) ·
(833) 678-2781 Dr. Eneti TagaloaBakersfield, CA · $74 in drug and device payments (2025) ·
(661) 326-2237 Dr. Erica Manrriquez, M.D.Bakersfield, CA · No drug or device payments recorded (2025) · Telehealth ·
(661) 663-6429 Dr. Gregory Klis, MDBakersfield, CA · $425 in drug and device payments (2025) ·
(661) 663-4800 Dr. Hans Yu, D.O.Bakersfield, CA · $300 in drug and device payments (2025) ·
(661) 663-0818 Dr. Hung Luu Tran, MDBakersfield, CA · $104 in drug and device payments (2025) ·
(661) 335-7747 Dr. Jacqueline Williams-olango, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 663-4800 Dr. James Tsai, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 663-4800 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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