Dr. Donald Zimmer, MD

With 17 years of practice, Dr. Donald Zimmer is an established emergency medicine provider, MD, after earning their medical degree at Indiana University School Of Medicine in 2005. Dr. currently practices across 10 facilities, including Mayo Clinic in Rochester, Minnesota. Their National Provider Identifier (NPI) is 1184853624, 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. Donald Zimmer as a lower-volume emergency medicine provider, treating approximately 296 Medicare beneficiaries and delivering 408 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.

Under the Physician Payments Sunshine Act, CMS reports that Dr. Donald Zimmer received $26 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.