Katherine Dillen, PA-C

In their first decade of practice, Katherine Dillen represents the newer generation of physician assistant providers, PA-C, after earning their medical degree at Other in 2019. Katherine currently practices across 3 facilities, including Northern Westchester Hospital in Mount Kisco, New York. Their National Provider Identifier (NPI) is 1295376051, 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.

Katherine Dillen's practice is located in ZIP 10549 (Mount Kisco, New York), which has an overall CartoChrome Healthcare Access Score of 45/100 (Limited Access). Access constraints in this ZIP code can affect wait times, specialist availability, and emergency response — context worth knowing when choosing a provider.

CMS Medicare data shows Katherine Dillen as a lower-volume physician assistant provider, treating approximately 13 Medicare beneficiaries and delivering 19 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.