Greenwich Radiation Oncology
About this NPIWhat this record shows.
NPI 1013131903 is registered to Greenwich Radiation Oncology, a healthcare organisation classified as "Radiation Oncology Physician" and located at 1 Theall Road, Ste 107 in Rye, New York. The organisation's authorised official is Daniel Fass. The organisation has been enumerated in the NPI registry since 2007.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Greenwich Radiation Oncology accepts. To confirm in-network status with your specific health plan, contact Greenwich Radiation Oncology directly at (914) 848-8950.
Frequently asked
Yes. NPI 1013131903 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Radiation Oncology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (914) 848-8950.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Greenwich Radiation Oncology is a Type-2 organisational NPI.