Dr. Gregory Fontana, M.D.

With 21 years of practice, Dr. Gregory Fontana is an established thoracic surgery provider, M.D., after earning their medical degree at University Of California, Geffen School Of Medicine in 1984. Dr. currently practices across 9 facilities, including Los Robles Hospital & Medical Center in Thousand Oaks, California. Their National Provider Identifier (NPI) is 1508840570, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.

CMS Medicare data shows Dr. Gregory Fontana as a lower-volume thoracic surgery provider, treating approximately 157 Medicare beneficiaries and delivering 349 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.

Under the Physician Payments Sunshine Act, CMS reports that Dr. Gregory Fontana received $111K in industry payments in 2023. Payments at this scale are elevated relative to most providers and may warrant direct inquiry about potential conflicts of interest during your visit.