JOHN T. MATHER MEMORIAL HOSPITAL
NPI 1639585706
Preventive Medicine - Undersea and Hyperbaric Medicine 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 1639585706. It was assigned to this organization in the NPPES registry on July 9, 2014.

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

The primary specialty registered for this NPI is Preventive Medicine, specializing in Undersea and Hyperbaric Medicine, with taxonomy code 2083P0011X.

Active since July 09, 2014

75 N COUNTRY RD, PORT JEFFERSON, NY 11777(631) 476-2768(631) 474-4939 Get Directions Write a Review

NPPES record last updated: July 11, 2014. 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 1639585706) is a healthcare organization registered as an undersea and hyperbaric medicine in Port Jefferson, New York and active in the NPI registry since July 2014. The organization lists Joseph Wisnoski, Sr. Vp & Cmo, as its authorized official.

NPPES Registry Identity

NPI1639585706

Entity TypeOrganization

Primary Taxonomy2083P0011X

Legal Business NameJOHN T. MATHER MEMORIAL HOSPITAL

Location Address75 N COUNTRY RDPort Jefferson, NY 11777-2119

Mailing Address75 N Country RdPort Jefferson, NY 11777-2119 · (631) 476-2768 · Fax (631) 474-4939

Phone(631) 476-2768

Fax(631) 474-4939

Organization SubpartNo

Authorized OfficialJoseph WisnoskiSr. Vp & Cmo · (631) 473-1320

Enumeration DateJuly 9, 2014

Last NPPES UpdateJuly 11, 2014

✔ NPI 1639585706 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPreventive Medicine · Undersea and Hyperbaric MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2083P0011X

Definition

A specialist who treats decompression illness and diving accident cases and uses hyperbaric oxygen therapy to treat such conditions as carbon monoxide poisoning, gas gangrene, non-healing wounds, tissue damage from radiation and burns and bone infections. This specialist also serves as consultant to other physicians in all aspects of hyperbaric chamber operations and assesses risks and applies appropriate standards to prevent disease and disability in divers and other persons working in altered atmospheric conditions.

Also ListedClinic/Center · Health ServiceTaxonomy 261QH0100X

Also ListedClinic/Center · Recovery CareTaxonomy 261QR0800X

Also ListedRehabilitation HospitalTaxonomy 283X00000X

75 N COUNTRY RD, Port Jefferson, NY 11777

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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