Dr. John Nielsen, M.D.

With 21 years of practice, Dr. John Nielsen is an established family practice provider, M.D., after earning their medical degree at Other in 1987. Dr. currently practices across 3 facilities, including Aurora Medical Group, Inc. in Marinette, Wisconsin. Their National Provider Identifier (NPI) is 1003811415, 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. John Nielsen as a lower-volume family practice provider, treating approximately 136 Medicare beneficiaries and delivering 273 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.