William Larsen, FNP

With 11 years of practice, William Larsen is an established nurse practitioner provider, FNP, after earning their medical degree at Other in 2015. William currently practices across 2 facilities, including in Ithaca, New York. Their National Provider Identifier (NPI) is 1124409099, 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 William Larsen as a lower-volume nurse practitioner provider, treating approximately 223 Medicare beneficiaries and delivering 756 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.