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JOHN T. MATHER MEMORIAL HOSPITAL
NPI 1376642371
Psychiatry & Neurology - Psychiatry in Port Jefferson Station, NY

Active since September 22, 2006
75 N COUNTRY RD, PORT JEFFERSON STATION, NY 11777(631) 473-1320(631) 686-7972 Get Directions Write a Review

NPPES record last updated: January 4, 2023. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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 1376642371) is a healthcare organization registered as a psychiatry in Port Jefferson Station, New York and active in the NPI registry since September 2006. The organization lists Joseph Wisnoski, Vice President Finance, as its authorized official.

NPPES Registry Identity

NPI1376642371
Entity TypeOrganization
Primary Taxonomy2084P0800X
Legal Business NameJOHN T. MATHER MEMORIAL HOSPITAL
Location Address75 N COUNTRY RDPort Jefferson Station, NY 11777-2119
Mailing AddressPo Box 6435Brattleboro, VT 05302-6435 · (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 DateSeptember 22, 2006
Last NPPES UpdateJanuary 4, 2023
NPPES CertifiedJanuary 4, 2023
✔ NPI 1376642371 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

75 N COUNTRY RD, Port Jefferson Station, NY 11777
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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.

ALEXANDER GORBATSEVICH M.D.
Internal Medicine
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 473-1320
DR. JACOB DETLEF SOKOL MD
Internal Medicine (Geriatric Medicine)
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 473-1320
TRACY M MOREA PA
Physician Assistant
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 473-1320
JOSEPH M CARRUCCIU MD
Radiology (Diagnostic Radiology)
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 473-1320
THERESA GRIMES FNP-BC
Nurse Practitioner (Family)
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 476-2847
KENNETH A HIRSCH MD
Emergency Medicine (Emergency Medical Services)
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 476-2808
DR. THOMAS OVERHOLT M.D.
Hospitalist
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 686-7654
JOHN T. MATHER MEMORIAL HOSPITAL
Nurse Practitioner (Adult Health)
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 473-1320

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

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

The NPI number for John T. Mather Memorial Hospital is 1376642371. It was assigned to this organization in the NPPES registry on September 22, 2006.

Where is John T. Mather Memorial Hospital located?

John T. Mather Memorial Hospital is located at 75 N Country Rd, Port Jefferson Station, NY 11777. The listed phone number is (631) 473-1320.

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

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for John T. Mather Memorial Hospital was last updated on January 4, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.