Dr. Douglas Duffy, MD

With 20 years of practice, Dr. Douglas Duffy is an established healthcare provider, MD,. Dr. currently practices across 3 facilities, including Mchs Hospitals Inc in Marshfield, Wisconsin. Their National Provider Identifier (NPI) is 1366542227, 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. Douglas Duffy as a lower-volume healthcare provider, treating approximately 23 Medicare beneficiaries and delivering 60 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.