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

John T. Mather Memorial Hospital

Organization Psychiatry Physician · NPI 1568774453

John T. Mather Memorial Hospital provides Psychiatry Physician services in Mount Sinai, New York. Registered with an NPI since 2010.

In the registry since
2010

Practice location Address checks out

5505 Nesconset Hwy
Mount Sinai, NY 11766-2037 Not confirmed with CMS for 15 years — call before visiting
Phone: (631) 686-7689
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X

Record details

NPI number1568774453
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Joseph Wisnoski — Cfo · (631) 473-1320
NPI enumeratedJuly 8, 2010
Last updated in NPPESDecember 15, 2010
Mailing address625 Belle Terre Rd, Suite 100, Port Jefferson, NY 11777-2316

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