Dr. Karen Nielsen, D.O.

With 19 years of practice, Dr. Karen Nielsen is an established osteopathic manipulative medicine provider, D.O., after earning their medical degree at Michigan State University College Of Osteopathic Medicine in 2004. Dr. currently practices at City Medical Of Upper East Side Pllc in New York, New York. Their National Provider Identifier (NPI) is 1568651198, 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. Karen Nielsen as a lower-volume osteopathic manipulative medicine provider, treating approximately 21 Medicare beneficiaries and delivering 306 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.