OrganizationActive
John T Mather Memorial Hospital
NPI 1659177509 · Clinic Pharmacy · Port Jefferson, NY
John T Mather Memorial Hospital is a Clinic Pharmacy organization in Port Jefferson, NY (NPI 1659177509).
Provider details
- NPI number
- 1659177509
- Entity type
- Organization
- Primary specialty
- Clinic PharmacySuppliers
- Organization subpart
- No
- Authorized official
- Michele Cusack, Evp & Cfo(516) 321-6058
Specialties & taxonomies
Suppliers
Profile Score
Established profile(55/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
75 N Country Rd Fl 2
Port Jefferson, NY 11777-2119
Phone: (516) 256-6688
Approximate (ZIP-level) locationGet directions
Mailing address
75 N Country Rd Fl 2
Port Jefferson, NY 11777-2119
Other names (DBA / former)
- Other name
- Mather Pharmacy
Registry dates
- Enumerated
- 2025-02-21
- Last updated
- 2025-02-21
- Certified
- 2025-02-21
Frequently asked questions
- What is John T Mather Memorial Hospital's NPI number?
- John T Mather Memorial Hospital's National Provider Identifier (NPI) is 1659177509, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John T Mather Memorial Hospital?
- John T Mather Memorial Hospital is classified in the NPPES registry as Clinic Pharmacy (Suppliers).
- Where is John T Mather Memorial Hospital located?
- John T Mather Memorial Hospital's practice location on file with NPPES is 75 N Country Rd Fl 2, Port Jefferson, NY 11777-2119.
- What is John T Mather Memorial Hospital's phone number?
- The practice phone number listed in the NPPES registry for John T Mather Memorial Hospital is (516) 256-6688.
- Who is the authorized official for John T Mather Memorial Hospital?
- The authorized official listed on John T Mather Memorial Hospital's NPPES record is Michele Cusack, Evp & Cfo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John T Mather Memorial Hospital's NPI active?
- Yes — John T Mather Memorial Hospital's NPI (1659177509) is active in the NPPES registry as of the last update on 2025-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.