John T Mather Memorial Hospital
About this NPIWhat this record shows.
NPI 1265844716 is registered to John T Mather Memorial Hospital, a healthcare organisation classified as "Metabolic Nutrition Registered Dietitian" and located at 625 Belle Terre Rd, Suite 203 in Port Jefferson, New York. The organisation's authorised official is Joseph Wisnoski. The organisation has been enumerated in the NPI registry since 2014.
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 John T Mather Memorial Hospital accepts. To confirm in-network status with your specific health plan, contact John T Mather Memorial Hospital directly at (631) 686-7897.
Frequently asked
Yes. NPI 1265844716 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Metabolic Nutrition Registered Dietitian 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) 686-7897.
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. John T Mather Memorial Hospital is a Type-2 organisational NPI.