Aaron Lessen

With 19 years of practice, Aaron Lessen is an established emergency medicine provider after earning their medical degree at University Of Pittsburgh School Of Medicine in 2005. Aaron currently practices across 7 facilities, including Hca-healthone Dba Swedish Medical Center in Englewood, Colorado. Their National Provider Identifier (NPI) is 1457535346, 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 Aaron Lessen as a lower-volume emergency medicine provider, treating approximately 417 Medicare beneficiaries and delivering 748 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.