JOHN T. MATHER MEMORIAL HOSPITAL
NPI 1821185109
Nurse Practitioner in Port Jefferson, NY

Q: What is John T. Mather Memorial Hospital's NPI number?

The NPI number for John T. Mather Memorial Hospital is 1821185109. It was assigned to this organization in the NPPES registry on October 6, 2006.

Q: What is John T. Mather Memorial Hospital's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Active since October 06, 2006

75 N COUNTRY RD, PORT JEFFERSON, NY 11777(631) 473-1320(631) 686-7972 Get Directions Write a Review

NPPES record last updated: April 29, 2015. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About John T. Mather Memorial Hospital NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN T. MATHER MEMORIAL HOSPITAL (NPI 1821185109) is a healthcare organization registered as a nurse practitioner in Port Jefferson, New York and active in the NPI registry since October 2006. The organization lists Joseph Wisnoski, Vice President Finance, as its authorized official.

NPPES Registry Identity

NPI1821185109

Entity TypeOrganization

Primary Taxonomy363L00000X

Legal Business NameJOHN T. MATHER MEMORIAL HOSPITAL

Location Address75 N COUNTRY RDPort Jefferson, NY 11777-2119

Mailing Address625 Belle Terre Rd, Suite 100Port Jefferson, NY 11777-2316 · (631) 473-1320 · Fax (631) 686-7972

Phone(631) 473-1320

Fax(631) 686-7972

Organization SubpartNo

Authorized OfficialJoseph WisnoskiVice President Finance · (631) 473-1320

Enumeration DateOctober 6, 2006

Last NPPES UpdateApril 29, 2015

✔ NPI 1821185109 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

75 N COUNTRY RD, Port Jefferson, NY 11777

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Other Identifiers 1

Medicare ID-Type UnspecifiedWEF251NY · Pst Amb Depart Med. #

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JUSTINA CATHERINE MELLONE DO

Student in an Organized Health Care Education/Training Program