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Obstetricians in California

Data updated monthly · Last refresh October 2026

173 Obstetrics providers practice in California, including 16 (9%) 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.

173providers
16telehealth
Los Angelestop city

Obstetrics by city in California

Choose a city to see providers there.

Obstetrics in Los Angeles15 providers
Obstetrics in San Francisco9 providers
Obstetrics in San Diego7 providers
Obstetrics in Orange6 providers
Obstetrics in Sacramento6 providers
Obstetrics in Riverside4 providers
Obstetrics in San Jose4 providers
Obstetrics in Torrance4 providers
Obstetrics in Oakland4 providers
Obstetrics in Loma Linda3 providers
Obstetrics in Apple Valley3 providers
Obstetrics in Murrieta3 providers
Obstetrics in Palo Alto3 providers
Obstetrics in Bakersfield3 providers
Obstetrics in Fremont3 providers
Obstetrics in San Luis Obispo3 providers
Obstetrics in Irvine3 providers
Obstetrics in Santa Monica2 providers
Obstetrics in Fresno2 providers
Obstetrics in Roseville2 providers
Obstetrics in Orinda2 providers
Obstetrics in Hayward2 providers
Obstetrics in La Jolla2 providers
Obstetrics in Pomona2 providers

Obstetrics 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. Margaret Moore, MD
Santa Cruz, CA · $15 in drug and device payments (2025) · Telehealth · (831) 477-2325
Dr. Christopher Douglas
Santa Monica, CA · $42 in drug and device payments (2025) · Telehealth · (310) 899-7500
Dr. Megan Bernstein
Santa Monica, CA · $23 in drug and device payments (2025) · Telehealth · (310) 899-7500
Dr. Frederick Kelley, M.D.
Santa Paula, CA · No drug or device payments recorded (2025) · (805) 525-0215
Dr. Jennifer Byer, M.D.
Santa Rosa, CA · No drug or device payments recorded (2025) · (707) 303-1719
Dr. Kay Daniels, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Kimberly Harney, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 498-5391
Dr. Patrick Snyder, MD
Stockton, CA · No drug or device payments recorded (2025) · (209) 957-7050
Dr. Rebecca Perlow, D.O.
Tarzana, CA · $852 in drug and device payments (2025) · Telehealth · (818) 344-8822
Dr. Robert Grossman, MD
Thousand Oaks, CA · $86 in drug and device payments (2025) · (818) 817-9832
Dr. Griselda Gutierrez, M.D.
Torrance, CA · No drug or device payments recorded (2025) · (310) 328-5698
Dr. Kelly Williams, M.D.
Torrance, CA · $157 in drug and device payments (2025) · Telehealth · (310) 316-4373
Dr. Maria Rhoads-baeza, M.D.
Torrance, CA · No drug or device payments recorded (2025) · (310) 370-7277
Dr. Zoe Kornberg, MD, MPH
Torrance, CA · No drug or device payments recorded (2025) · (424) 306-4061
Dr. Franklin Johnson, D.O.
Upland, CA · $1,389 in drug and device payments (2025) · Telehealth · (909) 355-7855
Dr. Jerry Cline, M.D.
Vacaville, CA · No drug or device payments recorded (2025) · (707) 887-3651
Dr. Don Nishiguchi, M.D.
Valencia, CA · $74 in drug and device payments (2025) · (661) 259-1781
Dr. Ming-kong Chen, M.D.
Valencia, CA · No drug or device payments recorded (2025) · (661) 255-0084
Dr. Payman Joseph, M.D.
Van Nuys, CA · $14 in drug and device payments (2025) · (818) 785-1890
Dr. Robert Lefkowitz, M.D.
Ventura, CA · No drug or device payments recorded (2025) · (805) 652-6556
Dr. Maya Ricci, FNP
Visalia, CA · No drug or device payments recorded (2025) · (559) 627-9284
Dr. Wanchi Zeng, M.D.
West Covina, CA · No drug or device payments recorded (2025) · (626) 593-5129
Dr. Michael Goland, M.D.
Yuba City, CA · No drug or device payments recorded (2025) · (530) 671-2700

Common questions

How many Obstetrics providers are in California?

There are 173 Obstetrics providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Do Obstetrics providers in California offer telehealth?

Yes. 16 of the 173 Obstetrics providers in California (about 9%) report offering telehealth services in CMS data.

Which cities in California have the most Obstetrics providers?

Los Angeles (15), San Francisco (9), San Diego (7) have the highest concentration of Obstetrics providers in California.

How many Obstetrics providers in California received drug or device company payments?

62 of 173 Obstetrics providers in California (36%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

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 Obstetricians in California work in independent practices or large health systems?

Among 85 Obstetricians in California enrolled in Medicare, 27% bill through a solo or small practice with fewer than 10 clinicians, 21% through a mid-size group of 10 to 99, and 52% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Obstetricians in California work at?

According to CMS facility affiliation records, the California hospitals where the most Obstetricians hold privileges are California Pacific Medical Center- Van Ness Campus in San Francisco; Uci Health-Orange in Orange; Ronald Reagan UCLA Medical Center in Los Angeles.

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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 in California? Get featured.