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. Sahar Doctorvaladan, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 303-1719 Dr. Sarah Padua, MDSanta Rosa, CA · No drug or device payments recorded (2025) · Telehealth ·
(707) 541-7902 Dr. Shazah Khawaja, MDSanta Rosa, CA · $203 in drug and device payments (2025) ·
(707) 579-1102 Dr. Sophia Chan, MDSanta Rosa, CA · $148 in drug and device payments (2025) · Telehealth ·
(707) 541-7900 Dr. Susan Dehnad, MDSanta Rosa, CA · No drug or device payments recorded (2025) · Telehealth ·
(707) 541-7900 Dr. Susan Logan, M.D.Santa Rosa, CA · $697 in drug and device payments (2025) · Telehealth ·
(707) 575-1626 Dr. Sylvia LoboSanta Rosa, CA · $96 in drug and device payments (2025) · Telehealth ·
(707) 541-7900 Dr. Tara Bartlett, DOSanta Rosa, CA · $19 in drug and device payments (2025) · Telehealth ·
(707) 541-7900 Dr. Anna Scipioni, MDSantee, CA · No drug or device payments recorded (2025) · Telehealth ·
(858) 499-2600 Dr. Edward Goldstein, MDSan Ysidro, CA · No drug or device payments recorded (2025) ·
(319) 428-4463 Dr. Jose Alanis Amezcua, MDSan Ysidro, CA · No drug or device payments recorded (2025) ·
(619) 428-1103 Dr. Mary Ann Miner, M.D.Sausalito, CA · No drug or device payments recorded (2025) ·
(415) 887-9903 Dr. Gholamreza BorazjaniSeal Beach, CA · No drug or device payments recorded (2025) ·
(562) 430-8419 Dr. Christine Boulanger, MDSeaside, CA · No drug or device payments recorded (2025) ·
(831) 394-1691 Dr. Chrystal Singleton, MD Dr. Luz Corona Gomez, MDSelma, CA · No drug or device payments recorded (2025) ·
(559) 898-6000 Dr. Johnnie Ham, M.D.Shell Beach, CA · No drug or device payments recorded (2025) ·
(805) 201-9135 Dr. Bahareh Fazilat, MDSherman Oaks, CA · $1,690 in drug and device payments (2025) · Telehealth ·
(310) 507-7748 Dr. Federico Quevedo, M.D.Sherman Oaks, CA · No drug or device payments recorded (2025) ·
(818) 995-3674 Dr. Parvin Mirabadi, MDSherman Oaks, CA · $121 in drug and device payments (2025) · Telehealth ·
(818) 782-0004 Dr. Denise Aldahl, MDSierra Madre, CA · No drug or device payments recorded (2025) ·
(626) 355-3443 Dr. Abigail NimzSimi Valley, CA · $120 in drug and device payments (2025) ·
(805) 582-4000 Dr. Catherine Kim, MDSimi Valley, CA · $545 in drug and device payments (2025) · Telehealth ·
(805) 527-8055 Dr. Ga Lee, M.D.Simi Valley, CA · $438 in drug and device payments (2025) · Telehealth ·
(805) 527-8055 Dr. Gerald Murphy, MDSimi Valley, CA · No drug or device payments recorded (2025) ·
(805) 527-8055 Dr. Irene Tan, M.D.Simi Valley, CA · $315 in drug and device payments (2025) ·
(805) 527-8055 Dr. Jennifer Lee, D.O.Simi Valley, CA · $139 in drug and device payments (2025) ·
(805) 527-8055 Dr. John Koh, MDSimi Valley, CA · $47 in drug and device payments (2025) ·
(805) 527-8055 Dr. Mojgan Zafary-daftary, M.D.Simi Valley, CA · No drug or device payments recorded (2025) ·
(805) 341-1119 Dr. Roopa Rao-karlamangla, M.D.Simi Valley, CA · $12 in drug and device payments (2025) ·
(805) 526-6135 Dr. Sarah Garcia, D.O.Simi Valley, CA · No drug or device payments recorded (2025) ·
(805) 527-8055 Dr. Karen Lee, M.D.Solana Beach, CA · No drug or device payments recorded (2025) ·
(858) 259-9900 Dr. Christopher Jones, M.D. Dr. Christopher Mills, MDSonora, CA · No drug or device payments recorded (2025) ·
(209) 536-3750 Dr. Chrystal Bradley, M.D. Dr. Lawrence Brunel, M.D. F.A.C.O.G.Sonora, CA · No drug or device payments recorded (2025) ·
(209) 536-5196 Dr. Matthew Maynard, D.O. Dr. Heajin Kamalani, MDSoquel, CA · No drug or device payments recorded (2025) ·
(831) 239-5866 Dr. Dmitriy Romanenko, M.D.,South Gate, CA · $33 in drug and device payments (2025) ·
(323) 240-1938 Dr. Huong Nghiem-eilbeck, MD, MPHSouth Gate, CA · $1,591 in drug and device payments (2025) ·
(888) 499-9303 Dr. Jorge Carreon, MDSouth Gate, CA · No drug or device payments recorded (2025) ·
(323) 567-9661 Dr. Amanda Weavil, MDSouth Lake Tahoe, CA · No drug or device payments recorded (2025) ·
(530) 543-5711 Dr. Cherie Long, WHNPSouth Lake Tahoe, CA · $109 in drug and device payments (2025) ·
(530) 543-5711 Dr. Clare Rudolph, MDSouth Lake Tahoe, CA · $22 in drug and device payments (2025) ·
(530) 543-5711 Dr. Danielle Field, NPSouth Lake Tahoe, CA · No drug or device payments recorded (2025) ·
(530) 543-5711 Dr. Elisabeth Nigrini, MDSouth Lake Tahoe, CA · No drug or device payments recorded (2025) ·
(530) 543-5711 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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