Dr. Aaron Lacy, MD

In their first decade of practice, Dr. Aaron Lacy represents the newer generation of emergency medicine providers, MD, after earning their medical degree at University Of Iowa, Rj & L Carver College Of Medicine in 2018. Dr. currently practices across 3 facilities, including Washington University in Saint Louis, Missouri. Their National Provider Identifier (NPI) is 1700374303, 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 Dr. Aaron Lacy as a lower-volume emergency medicine provider, treating approximately 397 Medicare beneficiaries and delivering 533 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.