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

John T Mather Memorial Hospital

Organization Obesity Medicine (Internal Medicine) Physician · NPI 1366816894

John T Mather Memorial Hospital is an Obesity Medicine (Internal Medicine) Physician in Port Jefferson, New York. Registered with an NPI since 2015.

In the registry since
2015

Practice location Address checks out

75 N Country Rd Ste 201
Port Jefferson, NY 11777-2119
Phone: (631) 689-0220
Fax: (631) 417-3042
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obesity Medicine (Internal Medicine) Physician (primary) Taxonomy 207RB0002X

Record details

NPI number1366816894
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Joseph Wisnoski — Vp Finance · (631) 473-1320
Other names Bariatric Group
NPI enumeratedNovember 20, 2015
Last updated in NPPESApril 8, 2016
Mailing address100 Highlands Blvd, Box 9, Port Jefferson, NY 11777-2320