1,986 Surgical Oncology providers practice across all 50 states and Washington DC, and 58% received drug or device company payments in 2025. California has the most at 253. Listings are drawn from federal public records and are not endorsements.
Industry payment share ranges from 85% in Louisiana to 43% in Massachusetts, among states with 25 or more providers.
There are 1,986 Surgical Oncology providers with active NPI records across all 50 states and Washington DC, according to federal NPPES data refreshed monthly. California has the most at 253.
1,151 of 1,986 Surgical Oncology providers nationally (58%) 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 Louisiana at 85% and lowest in Massachusetts at 43%.
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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