1,892 Gynecologic Oncology providers practice across all 50 states and Washington DC, and 63% received drug or device company payments in 2025. New York has the most at 183. Listings are drawn from federal public records and are not endorsements.
Industry payment share ranges from 77% in Arizona to 33% in Connecticut, among states with 25 or more providers.
There are 1,892 Gynecologic Oncology providers with active NPI records across all 50 states and Washington DC, according to federal NPPES data refreshed monthly. New York has the most at 183.
1,199 of 1,892 Gynecologic Oncology providers nationally (63%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program. The share is highest in Arizona at 77% and lowest in Connecticut at 33%.
Provider counts 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.
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