Overview
John T Mather Memorial Hosp T C U has a Medicare overall rating of 5 out of 5, above the New York average of 3.1. It is the highest-rated of the 2 nursing homes in Port Jefferson. It scores best on quality of care (5 of 5) and lowest on health inspections (3 of 5).
Residents receive about 8.6 hours of nursing care per day, more than at 100% of nursing homes in New York (the state average is 3.7 hours). Of that, 5.3 hours come from registered nurses.
Its most recent standard inspection, on May 23, 2025, found 7 health deficiencies, fewer than the New York average of 8.0. It has no fines on record for the past three years, while 31% of New York nursing homes have been fined.
John T Mather Memorial Hosp T C U is a for-profit facility with 16 certified beds, caring for about 13 residents on an average day. It accepts both Medicare and Medicaid and has participated since 2007. It is located inside a hospital.
Medicare ratings
- Health inspections
- Quality of care
- Staffing
Source: Medicare Care Compare, data as of October 1, 2026.
How it compares nearby
Ranked by Medicare overall rating, then quality, inspection and staffing ratings.
Top 50%
Top 22%
Top 19%
Family reviews
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Inspections and penalties
- Most recent standard inspection
- May 23, 2025
- Health deficiencies cited
- 7
- Complaint-related deficiencies
- 0
- Fines in the last 3 years
- 0
- Payment denials
- 0
- Total penalties
- 0
Staffing
Average hours of care each resident receives per day.
- All nursing staff8.64 hrs
- Registered nurses (RN)5.32 hrs
- Licensed practical nurses (LPN)0.00 hrs
- Nurse aides3.31 hrs
- Physical therapists0.30 hrs
Facility details
- Ownership
- For profit - Individual
- Certified beds
- 16
- Average residents per day
- 13
- Participates in
- Medicare and Medicaid
- Medicare/Medicaid since
- April 4, 2007
- Inside a hospital
- Yes
- Continuing care retirement community
- No
- Changed ownership in last 12 months
- No
- Resident or family council
- Both
- Sprinklers in all required areas
- Yes