Dr. Ronald Mastouri, MD

With 18 years of practice, Dr. Ronald Mastouri is an established internal medicine provider, MD, after earning their medical degree at Other in 1999. Dr. currently practices at Indiana University Health Inc in Indianapolis, Indiana. Their National Provider Identifier (NPI) is 1134389968, 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. Ronald Mastouri as a high-volume internal medicine provider, treating approximately 2K Medicare beneficiaries and delivering 3K services in the most recent reporting year. That panel size indicates sustained experience with complex Medicare cases.

Under the Physician Payments Sunshine Act, CMS reports that Dr. Ronald Mastouri received $5K in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.