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

John T Mather Memorial Hospital

Organization General Acute Care Hospital · NPI 1881082691

John T Mather Memorial Hospital is a General Acute Care Hospital in Port Jefferson, New York. Licensed in New York. Registered with an NPI since 2014.

Licensed in
NY
In the registry since
2014

Practice location Address checks out

75 N Country Rd
Port Jefferson, NY 11777-2119
Phone: (631) 473-1320
Fax: (631) 473-1382
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Acute Care Hospital (primary) Taxonomy 282N00000X · Licence 5149000 (NY)

Record details

NPI number1881082691
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Joseph Wisnoski — Vp Finance · (631) 473-1320
NPI enumeratedDecember 31, 2014
Last updated in NPPESDecember 31, 2014
Mailing address75 N Country Rd, Port Jefferson, NY 11777-2119

Other providers in Port Jefferson