Callie Mcmahon, PAC

With 20 years of practice, Callie Mcmahon is an established physician assistant provider, PAC, after earning their medical degree at George Washington University School Of Medicine in 2005. Callie currently practices across 2 facilities, including Mainehealth in Brunswick, Maine. Their National Provider Identifier (NPI) is 1003867086, 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 Callie Mcmahon as a lower-volume physician assistant provider, treating approximately 301 Medicare beneficiaries and delivering 401 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.