Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John T. Mather Memorial Hospital

Organization Local Education Agency (LEA) · NPI 1629456595

John T. Mather Memorial Hospital is a Local Education Agency (LEA) in Port Jefferson, New York. Registered with an NPI since 2015.

In the registry since
2015

Practice location Address checks out

75 N Country Rd
Port Jefferson, NY 11777-2119
Phone: (631) 473-1320
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Local Education Agency (LEA) (primary) Taxonomy 251300000X

Record details

NPI number1629456595
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Joseph Wisnoski — Cfo · (631) 473-1320
NPI enumeratedMay 12, 2015
Last updated in NPPESMay 12, 2015
Mailing address625 Belle Terre Rd, Suite 100, Port Jefferson, NY 11777-2316

Other providers in Port Jefferson