William Simpson, PA-C

With 20 years of practice, William Simpson is an established physician assistant provider, PA-C, after earning their medical degree at University Of New England, College Of Osteo Medicine in 2004. William currently practices across 2 facilities, including Mainehealth in Brunswick, Maine. Their National Provider Identifier (NPI) is 1194789073, 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 Simpson as a lower-volume physician assistant provider, treating approximately 91 Medicare beneficiaries and delivering 114 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 William Simpson received $26 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.