William Polkinghorn MD
About this NPIWhat this record shows.
NPI 1821125287 is registered to William Polkinghorn MD, a Radiation Oncology Physician practising at 1275 York Ave in New York, New York. Radiation Oncology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. William Polkinghorn MD has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Your brand here.
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 William Polkinghorn MD accepts. To confirm in-network status with your specific health plan, contact William Polkinghorn MD directly at (212) 639-2000.
Frequently asked
Yes. NPI 1821125287 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 (212) 639-2000.
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. William Polkinghorn MD is a Type-1 individual NPI.