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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. Robert Wagner, M.D.
Loma Linda, CA · No drug or device payments recorded (2025) · (909) 558-2806
Dr. Antonio Castaneda
Los Angeles, CA · $366 in drug and device payments (2025) · (323) 409-3061
Dr. Beth Karlan, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 794-7274
Dr. Dana Chase, M.D.
Los Angeles, CA · $144,893 in drug and device payments (2025) · Telehealth · (310) 794-7274
Dr. Dandi Huang, MD
Los Angeles, CA · $467 in drug and device payments (2025) · Telehealth · (310) 423-0895
Dr. Eijean Wu, MD, MPP
Los Angeles, CA · $5,171 in drug and device payments (2025) · Telehealth · (323) 473-5499
Dr. Huyen Pham, M.D.
Los Angeles, CA · $307 in drug and device payments (2025) · Telehealth · (323) 865-0062
Dr. James Heaps, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 983-1023
Dr. Katherine Tierney, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 276-3705
Dr. Laila Muderspach, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 276-3705
Dr. Marianne Hom-tedla, M.D.
Los Angeles, CA · $383 in drug and device payments (2025) · (323) 276-3705
Dr. Marla Scott, M.D.
Los Angeles, CA · $41 in drug and device payments (2025) · Telehealth · (310) 423-5800
Dr. Melissa Hodeib, D.O.
Los Angeles, CA · $12,848 in drug and device payments (2025) · Telehealth · (310) 794-7274
Dr. Michael Manuel, M.D.
Los Angeles, CA · $85 in drug and device payments (2025) · (213) 742-6400
Dr. Monica Neuman, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 276-3705
Dr. Natsai Nyakudarika, M.D.
Los Angeles, CA · $1,158 in drug and device payments (2025) · Telehealth · (310) 423-5800
Dr. Ronald Leuchter, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 423-0701
Dr. Sanaz Memarzadeh, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 794-7274
Dr. Scott Lentz, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Xiaoyue Guo, MD
Los Angeles, CA · $130 in drug and device payments (2025) · Telehealth · (323) 276-3705
Dr. Yvonne Lin-liu, MD
Los Angeles, CA · $109 in drug and device payments (2025) · Telehealth · (323) 865-3922
Dr. Samuel Ballon, M.D.
Los Gatos, CA · No drug or device payments recorded (2025) · (408) 378-6545
Dr. Amy Hakim, MD
Mission Hills, CA · No drug or device payments recorded (2025) · Telehealth · (818) 660-4700
Dr. Wei-chien Lin, MD
Mission Hills, CA · $92 in drug and device payments (2025) · Telehealth · (818) 660-4700
Dr. Kristen Anderson, M.D., PH.D.
Moreno Valley, CA · $16 in drug and device payments (2025) · (951) 486-4000
Dr. Albert Pisani, M.D.
Mountain View, CA · $1,518 in drug and device payments (2025) · Telehealth · (650) 934-7520
Dr. Ming Teh Dwight Chen, MD
Mountain View, CA · $244 in drug and device payments (2025) · Telehealth · (650) 934-3519
Dr. Alberto Mendivil, M.D.
Newport Beach, CA · $5,319 in drug and device payments (2025) · (949) 642-1361
Dr. John Brown, M.D.
Newport Beach, CA · $29 in drug and device payments (2025) · (949) 642-1361
Dr. John Micha, M.D.
Newport Beach, CA · $1,147 in drug and device payments (2025) · (949) 418-5566
Dr. Lisa Abaid, M.D., M.P.H.
Newport Beach, CA · $4,625 in drug and device payments (2025) · (949) 642-1361
Dr. Monica Levine, MS,MD
Newport Beach, CA · $22 in drug and device payments (2025) · Telehealth · (949) 642-1361
Dr. Tiffany Beck, MD
Newport Beach, CA · $15 in drug and device payments (2025) · (949) 642-1361
Dr. Federico Alva, M.D.
Northridge, CA · No drug or device payments recorded (2025) · (818) 349-5228
Dr. Giuseppe Ciaravino, MD
Oakland, CA · $102 in drug and device payments (2025) · (510) 752-1000
Dr. Isabel Lazo, M.D.
Oakland, CA · $146 in drug and device payments (2025) · (510) 752-1000
Dr. Lauren Montemorano, MD
Oakland, CA · $286 in drug and device payments (2025) · Telehealth · (510) 752-7780
Dr. Liz Han, MD
Oakland, CA · $102 in drug and device payments (2025) · (510) 752-1000
Dr. Thomas Ewing, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Danielle Jandial
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8028
Dr. Fabio Cappuccini, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8000
Dr. Jill Tseng, M.D.
Orange, CA · $840 in drug and device payments (2025) · Telehealth · (714) 456-8000
Dr. Krishnansu Tewari, M.D.
Orange, CA · $33,081 in drug and device payments (2025) · Telehealth · (714) 456-6431
Dr. Lila Marshall
Orange, CA · $15 in drug and device payments (2025) · (714) 456-8888
Dr. Mark Rettenmaier, M.D.
Orange, CA · No drug or device payments recorded (2025) · (949) 705-9015
Dr. Michael L Berman, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-2986
Dr. Robert Bristow, MD
Orange, CA · $142 in drug and device payments (2025) · Telehealth · (410) 955-6700
Dr. Samantha Solaru, MD
Orange, CA · $124 in drug and device payments (2025) · (714) 456-8224
Dr. Michelle Benoit, MD
Palm Springs, CA · $212 in drug and device payments (2025) · (760) 323-6511
Dr. Elisabeth Diver, M.D.
Palo Alto, CA · $51 in drug and device payments (2025) · Telehealth · (650) 498-7237

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

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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.