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Gynecologic Oncologists in California

Data updated monthly · Last refresh October 2026

178 Gynecologic Oncology providers practice in California, including 91 (51%) offering telehealth. The largest concentration is in Sacramento. 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.

178providers
91telehealth
Sacramentotop city

Gynecologic Oncology by city in California

Choose a city to see providers there.

Gynecologic Oncology in Sacramento22 providers
Gynecologic Oncology in Los Angeles20 providers
Gynecologic Oncology in San Francisco10 providers
Gynecologic Oncology in Orange9 providers
Gynecologic Oncology in Stanford8 providers
Gynecologic Oncology in San Diego8 providers
Gynecologic Oncology in Duarte7 providers
Gynecologic Oncology in La Jolla6 providers
Gynecologic Oncology in Newport Beach6 providers
Gynecologic Oncology in Oakland5 providers
Gynecologic Oncology in Clovis5 providers
Gynecologic Oncology in Irvine4 providers
Gynecologic Oncology in Walnut Creek4 providers
Gynecologic Oncology in Ventura3 providers
Gynecologic Oncology in Fresno3 providers
Gynecologic Oncology in Loma Linda3 providers
Gynecologic Oncology in Bakersfield3 providers
Gynecologic Oncology in Torrance3 providers
Gynecologic Oncology in La Mesa3 providers
Gynecologic Oncology in Santa Clara2 providers
Gynecologic Oncology in Carmichael2 providers
Gynecologic Oncology in Mountain View2 providers
Gynecologic Oncology in Mission Hills2 providers
Gynecologic Oncology in West Hollywood2 providers

Gynecologic Oncology 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. Lynda Roman, M.D.
Pasadena, CA · $4,743 in drug and device payments (2025) · Telehealth · (562) 568-1622
Dr. Paul Lin, M.D.
Pasadena, CA · $828 in drug and device payments (2025) · (626) 793-3339
Dr. Christopher Lutman, MD
Pismo Beach, CA · $550 in drug and device payments (2025) · Telehealth · (805) 346-3456
Dr. Katherine Ohanlan, M.D.
Portola Valley, CA · $15 in drug and device payments (2025) · (650) 851-6669
Dr. Mark Genesen, M.D.
Rancho Mirage, CA · $260 in drug and device payments (2025) · Telehealth · (760) 837-8610
Dr. Wiley Fowler, M.D.
Roseville, CA · $127 in drug and device payments (2025) · Telehealth · (916) 782-5106
Dr. Abby Gonik, M.D.
Sacramento, CA · $219 in drug and device payments (2025) · (916) 733-4440
Dr. Alice Barr, MD
Sacramento, CA · $789 in drug and device payments (2025) · (916) 734-6978
Dr. Alireza Abidi, M.D.
Sacramento, CA · $8,964 in drug and device payments (2025) · Telehealth · (916) 734-6930
Dr. Amanda Shepherd, MD
Sacramento, CA · $16,020 in drug and device payments (2025) · Telehealth · (916) 733-4440
Dr. Angel Tabuyo-martin, MD
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 556-3164
Dr. Christa Dominick, M.D.
Sacramento, CA · $846 in drug and device payments (2025) · Telehealth · (916) 733-4440
Dr. Edwin Alvarez, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 734-6938
Dr. Gary Leiserowitz, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 734-6930
Dr. Hui Chen
Sacramento, CA · $1,165 in drug and device payments (2025) · Telehealth · (916) 734-6978
Dr. Jeffrey Skilling, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 973-5000
Dr. Katherine Jane Chua, MD
Sacramento, CA · $1,254 in drug and device payments (2025) · (916) 734-6670
Dr. Lloyd Smith, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-6946
Dr. Melissa Pham, M.D.
Sacramento, CA · $137 in drug and device payments (2025) · Telehealth · (610) 241-2237
Dr. Nancy Nguyen, MD
Sacramento, CA · $258 in drug and device payments (2025) · Telehealth · (510) 000-0000
Dr. Nell Suby, MD
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 973-5000
Dr. Rachel Ruskin, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-6938
Dr. Rebecca Brooks, MD
Sacramento, CA · $35,505 in drug and device payments (2025) · Telehealth · (916) 734-6938
Dr. Steffanie Owens, M.D.
Sacramento, CA · $759 in drug and device payments (2025) · Telehealth · (916) 734-6938
Dr. Uma Chandavarkar, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 453-3300
Dr. Vanessa Kennedy, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-6938
Dr. Vikas Mahavni, MD
Sacramento, CA · $127 in drug and device payments (2025) · (916) 973-5000
Dr. Walter Kinney, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 973-5000
Dr. Bridgette Duggan, MD
San Diego, CA · No drug or device payments recorded (2025) · (858) 455-5524
Dr. Jason Lefringhouse, M.D., M.P.H.
San Diego, CA · No drug or device payments recorded (2025) · (202) 256-4851
Dr. Lindsey Charo, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (858) 455-5524
Dr. Melissa Douglass, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (858) 266-6900
Dr. Paul Koonings, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 528-5000
Dr. Pratibha Binder, M.D.
San Diego, CA · $6,330 in drug and device payments (2025) · Telehealth · (858) 822-6275
Dr. Steven Plaxe, M.D.
San Diego, CA · $26 in drug and device payments (2025) · (858) 657-8745
Dr. Terry Harrison, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (619) 528-3697
Dr. Andrea Nanez, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · Telehealth · (415) 855-7561
Dr. Catherine Powell, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-9600
Dr. Jenta Shen, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 668-0900
Dr. John Chan, MD
San Francisco, CA · $338,199 in drug and device payments (2025) · Telehealth · (415) 600-0930
Dr. Katherine Fuh, MD
San Francisco, CA · No drug or device payments recorded (2025) · Telehealth · (415) 353-9600
Dr. Lee-may Chen, MD
San Francisco, CA · $265 in drug and device payments (2025) · Telehealth · (415) 353-9600
Dr. Lejla Delic, M.D.
San Francisco, CA · $2,793 in drug and device payments (2025) · Telehealth · (415) 600-0930
Dr. Lisa Sandles, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 833-2000
Dr. Stefanie Ueda, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · Telehealth · (415) 885-7561
Dr. Stephanie Cham, M.D.
San Francisco, CA · $301 in drug and device payments (2025) · Telehealth · (415) 353-9600
Dr. Karen Levy, M.D.
San Jose, CA · No drug or device payments recorded (2025) · Telehealth · (408) 885-5000
Dr. Sumit Mehta, M.D.
Santa Barbara, CA · $92 in drug and device payments (2025) · Telehealth · (805) 324-9144
Dr. Daniel Kato, MD
Santa Clara, CA · No drug or device payments recorded (2025) · (408) 851-1000
Dr. John Tatman, MD
Santa Clara, CA · No drug or device payments recorded (2025) · (408) 851-1000

Common questions

How many Gynecologic Oncology providers are in California?

There are 178 Gynecologic Oncology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Do Gynecologic Oncology providers in California offer telehealth?

Yes. 91 of the 178 Gynecologic Oncology providers in California (about 51%) report offering telehealth services in CMS data.

Which cities in California have the most Gynecologic Oncology providers?

Sacramento (22), Los Angeles (20), San Francisco (10) have the highest concentration of Gynecologic Oncology providers in California.

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

117 of 178 Gynecologic Oncology providers in California (66%) 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 Gynecologic Oncologists in California work in independent practices or large health systems?

Among 121 Gynecologic Oncologists in California enrolled in Medicare, 7% bill through a solo or small practice with fewer than 10 clinicians, 12% through a mid-size group of 10 to 99, and 81% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Gynecologic Oncologists in California work at?

According to CMS facility affiliation records, the California hospitals where the most Gynecologic Oncologists hold privileges are UCSF Medical Center in San Francisco; Stanford Health Care in Stanford; Los Angeles General Medical Center in Los Angeles.

Related reading on HealthcareDiscovery.AI

Gynecologic Oncology in all 50 states Search all 178 in the directory Ask Zach for help choosing

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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 Gynecologic Oncology in California? Get featured.