Dr. William Nicholas MD
About this NPIWhat this record shows.
NPI 1326116427 is registered to Dr. William Nicholas MD, a Allergy & Immunology Physician practising at 44 Oyster Shores Rd in East Hampton, New York. Allergy & Immunology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. William Nicholas MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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 Dr. William Nicholas MD accepts. To confirm in-network status with your specific health plan, contact Dr. William Nicholas MD directly at (631) 324-8946.
Frequently asked
Yes. NPI 1326116427 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Allergy & Immunology 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 (631) 324-8946.
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. Dr. William Nicholas MD is a Type-1 individual NPI.