Dr. Gregory Tester, MD

With 17 years of practice, Dr. Gregory Tester is an established interventional cardiology provider, MD, after earning their medical degree at Southern Illinois University School Of Medicine in 2009. Dr. currently practices across 3 facilities, including University Of Wi Hospitals & Clinics Authority in Madison, Wisconsin. Their National Provider Identifier (NPI) is 1477783603, 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. Gregory Tester as a lower-volume interventional cardiology provider, treating approximately 362 Medicare beneficiaries and delivering 997 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.