Ann Perrin

With 13 years of practice, Ann Perrin is an established internal medicine provider after earning their medical degree at Saint Louis University School Of Medicine in 2013. Ann currently practices across 5 facilities, including Ohsu Hospital And Clinics in Portland, Oregon. Their National Provider Identifier (NPI) is 1003259342, 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 Ann Perrin as a lower-volume internal medicine provider, treating approximately 55 Medicare beneficiaries and delivering 186 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.