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

John T. Mather Memorial Hospital

Organization Emergency Medicine Physician · NPI 1104913748

John T. Mather Memorial Hospital is an Emergency Medicine Physician in Port Jefferson, New York. Registered with an NPI since 2006.

In the registry since
2006

Practice location Address checks out

75 N Country Rd
Port Jefferson, NY 11777-2119
Phone: (631) 473-1320
Fax: (631) 474-4667
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X

Record details

NPI number1104913748
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Sharon Donnelly — Director · (631) 686-7603
NPI enumeratedOctober 6, 2006
Last updated in NPPESMay 19, 2015
Mailing address100 Highland Blvd Box #9, Port Jefferson, NY 11777

Other providers in Port Jefferson