William Demas, M.D., F.A.C.R.

With 21 years of practice, William Demas is an established radiation oncology provider, M.D., F.A.C.R., after earning their medical degree at State University Of New York Downstate Medical Center in 1981. William currently practices across 6 facilities, including Summa Physicians Inc in Akron, Ohio. Their National Provider Identifier (NPI) is 1033100334, 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 William Demas as a lower-volume radiation oncology provider, treating approximately 63 Medicare beneficiaries and delivering 390 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.