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. Jana Thor, DOBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 326-2236 Dr. Janeine BasconcilloBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 328-9831 Dr. Janis Penner, M.D.Bakersfield, CA · No drug or device payments recorded (2025) ·
(661) 328-9831 Dr. Jason Helliwell, MDBakersfield, CA · $172 in drug and device payments (2025) ·
(661) 410-2942 Dr. Jigisha Upadhyaya, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 663-4800 Dr. Joel Cohen, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(800) 353-5400 Dr. John Owens, M.DBakersfield, CA · $38 in drug and device payments (2025) ·
(661) 327-3821 Dr. Julia Canders, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 326-2237 Dr. Kelly Hood, DOBakersfield, CA · $18 in drug and device payments (2025) ·
(661) 326-2000 Dr. Kenneth Varnes, M.D.Bakersfield, CA · $87 in drug and device payments (2025) ·
(833) 678-2781 Dr. Kurt Finberg, M.D.Bakersfield, CA · $228 in drug and device payments (2025) · Telehealth ·
(661) 323-7854 Dr. Leonard Perez, M.D.Bakersfield, CA · $203 in drug and device payments (2025) ·
(661) 322-6700 Dr. Lon Graves, M.D.Bakersfield, CA · No drug or device payments recorded (2025) ·
(661) 664-5005 Dr. Luis Lopez, MDBakersfield, CA · $20 in drug and device payments (2025) · Telehealth ·
(661) 663-4800 Dr. Lynous Hall, M.D.Bakersfield, CA · No drug or device payments recorded (2025) ·
(833) 678-2781 Dr. Marietta Marzan-tan, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 663-4800 Dr. Miguel Lascano, M.D.Bakersfield, CA · $70 in drug and device payments (2025) ·
(661) 322-4902 Dr. Mon-lai Cheung, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(800) 353-5400 Dr. Negin AzadiBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 326-2000 Dr. Noel Del Mundo, M.D.Bakersfield, CA · $99 in drug and device payments (2025) ·
(661) 663-4800 Dr. Omid Hakimian, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(800) 353-5400 Dr. Paul Fuller, MDBakersfield, CA · $43 in drug and device payments (2025) ·
(800) 353-5400 Dr. Philipp Melendez, M.D.Bakersfield, CA · $471 in drug and device payments (2025) ·
(661) 325-7103 Dr. Rahima Sanya, M.D.Bakersfield, CA · $35 in drug and device payments (2025) ·
(833) 678-2781 Dr. Rahul Sharma, MDBakersfield, CA · $242 in drug and device payments (2025) ·
(661) 664-0997 Dr. Ramin Bizhang, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(800) 353-5400 Dr. Rebecca Rivera, M.D.Bakersfield, CA · $317 in drug and device payments (2025) · Telehealth ·
(661) 637-0137 Dr. Robert Rusche, MDBakersfield, CA · $25 in drug and device payments (2025) ·
(800) 353-5400 Dr. Roxanne Mcdermott, MDBakersfield, CA · $115 in drug and device payments (2025) ·
(833) 678-2781 Dr. Sally Wonderly, MDBakersfield, CA · $1,521 in drug and device payments (2025) ·
(833) 678-2781 Dr. Sauhang Patel, M.D.Bakersfield, CA · No drug or device payments recorded (2025) ·
(661) 663-4800 Dr. Seyed Tamjidi, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(800) 353-5400 Dr. Shelbie Walters, DOBakersfield, CA · $127 in drug and device payments (2025) ·
(661) 326-2000 Dr. Sonia Ghai, M.DBakersfield, CA · $49 in drug and device payments (2025) ·
(833) 678-2781 Dr. Sudha Reddy, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(800) 353-5400 Dr. Tamas Kocsis, MDBakersfield, CA · $126 in drug and device payments (2025) ·
(661) 322-3905 Dr. Thomas Moxley, M.D.Bakersfield, CA · No drug or device payments recorded (2025) ·
(661) 326-2236 Dr. Tillaikarasi Kannappan, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 663-4800 Dr. Todd Andrews, M.D.Bakersfield, CA · No drug or device payments recorded (2025) ·
(661) 747-2140 Dr. Tony Hoang, M.D.Bakersfield, CA · $389 in drug and device payments (2025) ·
(661) 633-2249 Dr. Trina Mariel AmogBakersfield, CA · $20 in drug and device payments (2025) ·
(661) 326-2237 Dr. Umaima Jamaluddin, M.DBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 321-4310 Dr. Vasanthi Srinivas, M.D.Bakersfield, CA · $233 in drug and device payments (2025) ·
(661) 322-6700 Dr. Wafika Fahmy, M.D.Bakersfield, CA · No drug or device payments recorded (2025) ·
(661) 327-7880 Dr. Wendy Crenshaw, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 663-4800 Dr. Yeuan Lin, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 327-1401 Dr. Adrienna Boynton, MDBaldwin Park, CA · No drug or device payments recorded (2025) ·
(626) 851-1011 Dr. Anne Michels, MDBaldwin Park, CA · No drug or device payments recorded (2025) ·
(626) 851-1011 Dr. Asma Saraj, MDBaldwin Park, CA · No drug or device payments recorded (2025) ·
(626) 851-1011 Dr. Bervic Johns, MDBaldwin Park, CA · No drug or device payments recorded (2025) ·
(626) 851-1011 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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