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Organization

John T. Mather Memorial Hospital

NPI Record: ActiveGeneral Acute Care Hospital
NPI1093718728
Port Jefferson, New York

Provider's NPPES record last updated: July 28, 2025

Overview

Entity Type
Organization
NPI
1093718728
Primary Specialty
General Acute Care Hospital
Practice Location
Port Jefferson, New York
Organization Subpart
No

Federal Screening

NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.

List of Excluded Individuals/Entities (LEIE)

HHS Office of Inspector General

No potential match identified

No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.

Source data
September 10, 2026
Records indexed
84,001
Screened
Sep 20, 2026, 9:11 AM UTC

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

SAM.gov Exclusions

U.S. General Services Administration

Not checked

SAM.gov Exclusions was not checked.

SAM.gov screening is not configured on this deployment. No SAM check has been performed.

Screened
Not checked

This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

Run a name-based screening

Searches OIG LEIE and SAM.gov by name and reviews every potential match.

Specialties & Taxonomies

  • General Acute Care Hospital

    Hospitals

    Primary

    An acute general hospital is an institution whose primary function is to provide inpatient diagnostic and therapeutic services for a variety of medical conditions, both surgical and non-surgical, to a wide population group. The hospital treats patients in an acute phase of illness or injury, characterized by a single episode or a fairly short duration, from which the patient returns to his or her normal or previous level of activity.

    Taxonomy code 282N00000X
  • Psychiatric Unit

    Hospital Units

    In general, a distinct unit of a hospital that provides acute or long-term care to emotionally disturbed patients, including patients admitted for diagnosis and those admitted for treatment of psychiatric problems on the basis of physicians' orders and approved nursing care plans. Long-term care may include intensive supervision to the chronically mentally ill, mentally disordered or other mentally incompetent persons; (2) For Medicare, a distinct part of a general acute care hospital admitting only patients whose admission to the unit is required for active treatment, whose treatment is of an intensity that can be provided only in an inpatient hospital setting, and whose condition is described by a psychiatric principal diagnosis contained in the Third Edition of the American Psychiatric Association Diagnostic and Statistical Manual or in Chapter 5 (Mental Disorders) of the International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM). The unit must furnish, through the use of qualified personnel, psychological services, social work services, psychiatric nursing, occupational therapy, and recreational therapy. The unit must maintain medical records that permit determination of the degree and intensity of treatment provided to individuals who are furnished services in the unit; the unit must meet special staff requirements in that the unit must have adequate numbers of qualified professional and supportive staff to evaluate inpatients, formulate written, individualized, comprehensive treatment plans, provide active treatment measures and engage in discharge planning.

    Taxonomy code 273R00000X
  • Skilled Nursing Facility

    Nursing & Custodial Care Facilities

    (1) A skilled nursing facility is a facility or distinct part of an institution whose primary function is to provide medical, continuous nursing, and other health and social services to patients who are not in an acute phase of illness requiring services in a hospital, but who require primary restorative or skilled nursing services on an inpatient basis above the level of intermediate or custodial care in order to reach a degree of body functioning to permit self care in essential daily living. It meets any licensing or certification standards et forth by the jurisdiction where it is located. A skilled nursing facility may be a freestanding facility or part of a hospital that has been certified by Medicare to admit patients requiring subacute care and rehabilitation; (2) Provides non-acute medical and skilled nursing care services, therapy and social services under the supervision of a licensed registered nurse on a 24-hour basis.

    Taxonomy code 314000000X
  • Pharmacy

    Suppliers

    A facility used by pharmacists for the compounding and dispensing of medicinal preparations and other associated professional and administrative services. A pharmacy is a facility whose primary function is to store, prepare and legally dispense prescription drugs under the professional supervision of a licensed pharmacist. It meets any licensing or certification standards set forth by the jurisdiction where it is located.

    Taxonomy code 333600000X
  • Pharmacy

    Community/Retail Pharmacy

    Suppliers

    A pharmacy where pharmacists store, prepare, and dispense medicinal preparations and/or prescriptions for a local patient population in accordance with federal and state law; counsel patients and caregivers (sometimes independent of the dispensing process); administer vaccinations; and provide other professional services associated with pharmaceutical care such as health screenings, consultative services with other health care providers, collaborative practice, disease state management, and education classes.

    Taxonomy code 3336C0003X

Provider-Reported License Information

General Acute Care Hospital (New York)
5149000
Psychiatric Unit (New York)
5149000
Skilled Nursing Facility (New York)
5149000
License numbers are reported by the provider to NPPES and are not independently verified by NPISignal against any state licensing board. Confirm current license status directly with the issuing state board.

Practice Locations

Practice Location

75 N Country Rd

Port Jefferson, New York 11777-2119

Phone: (631) 473-1320

Record Information

Enumeration Date
May 27, 2005
Provider's NPPES Record Last Updated
July 28, 2025
Certification Date
July 28, 2025
NPISignal NPPES Dataset
August 2026

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