253 Surgical Oncology providers practice in California, including 98 (39%) 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.
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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.
There are 253 Surgical Oncology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Yes. 98 of the 253 Surgical Oncology providers in California (about 39%) report offering telehealth services in CMS data.
Los Angeles (38), Duarte (27), San Diego (16) have the highest concentration of Surgical Oncology providers in California.
148 of 253 Surgical Oncology providers in California (58%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
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.
Among 182 Surgical Oncologists in California enrolled in Medicare, 14% bill through a solo or small practice with fewer than 10 clinicians, 8% through a mid-size group of 10 to 99, and 78% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
According to CMS facility affiliation records, the California hospitals where the most Surgical Oncologists hold privileges are Cedars-Sinai Medical Center in Los Angeles; Ronald Reagan UCLA Medical Center in Los Angeles; UCSF Medical Center in San Francisco.
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