Dr. Nathaniel Keller, M.D.

With 19 years of practice, Dr. Nathaniel Keller is an established psychiatry provider, M.D., after earning their medical degree at Other in 1996. Dr. currently practices across 5 facilities, including Orlando Health in Orlando, Florida. Their National Provider Identifier (NPI) is 1144411844, 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. Nathaniel Keller as a lower-volume psychiatry provider, treating approximately 257 Medicare beneficiaries and delivering 603 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.