Dr. Sean Szeja, M.D.

With 13 years of practice, Dr. Sean Szeja is an established radiation oncology provider, M.D., after earning their medical degree at University Of Arizona College Of Medicine in 2013. Dr. currently practices across 2 facilities, including in Upland, California. Their National Provider Identifier (NPI) is 1023351822, 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. Sean Szeja as a lower-volume radiation oncology provider, treating approximately 230 Medicare beneficiaries and delivering 2K 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. Sean Szeja received $18 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.