Frederik Pennings, M.D., PHD

With 19 years of practice, Frederik Pennings is an established neurosurgery provider, M.D., PHD, after earning their medical degree at Other in 1995. Frederik currently practices across 4 facilities, including Umass Memorial Medical Group Inc in Worcester, Massachusetts. Their National Provider Identifier (NPI) is 1215126479, 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 Frederik Pennings as a lower-volume neurosurgery provider, treating approximately 140 Medicare beneficiaries and delivering 331 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 Frederik Pennings received $57K 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.