John T Mather Memorial Hosp T C U
75 NORTH COUNTRY ROAD, Port Jefferson, NY 11777
Port Jefferson, New York · CMS verdict
CMS rates John T Mather Memorial Hosp T C U at 5 of 5 stars overall - above-average on the federal scale, and above the New York average of 3.0.
The rating and the PlainElderCare Index below summarize federal inspection, staffing, and outcome data, they measure specific, documented dimensions of this facility, not a holistic verdict on the care your family member would receive. Visit in person, talk with staff and current residents' families, and weigh your family member's specific needs before choosing.
John T Mather Memorial Hosp T C U in Port Jefferson, New York holds a CMS overall rating of 5 of 5 stars and a PlainElderCare Quality & Compliance Index of 81 of 100 (grade B). The 16-bed facility operates where a semi-private nursing-home room in New York runs a median of $15,528 per month. Figures are from CMS Nursing Home Compare.
PlainElderCare Quality & Compliance Index
A transparent composite of this facility's CMS Care Compare sub-ratings and its federal inspection record. It complements, and does not replace, the official CMS overall rating of 5 of 5 stars. How this is calculated.
How the 81 is built
Each segment is a dimension's weighted points toward the score, summing to 81.
Weights: health inspections 30%, staffing 25%, quality measures 25%, inspection record 20%; any dimension CMS has not published drops out and its weight redistributes (no silent deflation). Inspection record is benchmarked against all rated US nursing homes. Source: CMS Nursing Home Compare.
Data insights
Quality ratings
CMS's most recent Care Compare release (data as of April 2026) puts John T Mather Memorial Hosp T C U's overall quality rating at 5 out of 5 stars, a composite of three sub-ratings: health inspection (3/5), staffing (5/5), and quality measures (5/5).
What each sub-rating measures
The health inspection rating reflects on-site surveyor findings from the last three cycles. The staffing rating compares case-mix-adjusted nurse hours per resident day to national benchmarks, and quality measures aggregate 15 clinical indicators including pressure ulcers, falls with injury, and long-stay antipsychotic use.
Size and setting
Located in Port Jefferson, New York, this facility operates 16 certified beds with an average daily census of roughly 13 residents - an occupancy rate of about 81%. The facility is classified under for profit - individual ownership, a designation that can influence staffing patterns, reinvestment decisions, and admissions policy. Occupancy of about 81% puts this facility in normal territory for a stabilized operation, neither unusually full nor unusually empty.
Same-ownership peers
Within New York, John T Mather Memorial Hosp T C U is one of 40 for profit - individual nursing homes CMS rates. Its 5-star overall rating sits above the for profit - individual-segment average of 3.2 stars, ahead of roughly 75% of same-ownership peers in the state. Peer comparisons within the same ownership type are more apples-to-apples than a state-wide average, since for-profit, non-profit, and government operators tend to differ systematically in staffing and reinvestment.
Inspection record
On the regulatory side, federal and state surveyors have documented multiple deficiencies at this facility (12 total). CMS has levied no enforcement penalties over the equivalent window. This is a high deficiency count relative to most facilities; requesting the full survey report directly is the only way to see whether these are concentrated in one area or spread across the facility's operations.
Where these figures come from
The figures above come directly from the U.S. Centers for Medicare \& Medicaid Services Nursing Home Compare dataset for federal quality ratings, combined with the CareScout 2025 Cost of Care Survey of more than 15,000 elder-care providers nationwide and U.S. Census American Community Survey income data. Cost figures are monthly medians, refreshed annually with each new CareScout release; quality ratings are refreshed quarterly from the CMS Provider Information File. Read these state and county medians as benchmarks, then verify current rates with individual providers and consult care managers before making placement decisions. See our methodology for source vintage.
How John T Mather Memorial Hosp T C U compares to New York
CMS five-star sub-ratings (0–5) for this facility against the New York facility-weighted average. Source: CMS Care Compare.
Bar = this facility's rating · vertical marker = New York state average. Higher is better on all four CMS measures.
Where John T Mather Memorial Hosp T C U ranks in New York
Among the 593 CMS-rated nursing homes in New York, John T Mather Memorial Hosp T C U’s 5-star overall rating is higher than 77% of them. The bars show how all New York homes spread across the CMS 1-to-5 scale; this facility’s band is highlighted.
137 New York homes share this 5-star rating. Source: CMS Nursing Home Compare.
Facility details
| Attribute | Value |
|---|---|
| Beds | 16 |
| Residents | 13 |
| Ownership | For profit - Individual |
| County | Suffolk |
| Penalties | 0 |
| Deficiencies | 12 |
Source: CMS Care Compare Nursing Homes (data as of April 2026)
What do families ask most?
What is the quality rating for John T Mather Memorial Hosp T C U? ▾
CMS rates John T Mather Memorial Hosp T C U at 5 out of 5 stars overall. The three sub-ratings behind that number: health inspection 3/5, staffing 5/5, quality measures 5/5.
How much does a nursing home cost per month in New York? ▾
The median cost for a semi-private nursing home room in New York is $15,528 per month ($186,333 annually). A private room averages $16,729 per month. Costs are from the CareScout 2025 survey.
What services does John T Mather Memorial Hosp T C U offer? ▾
John T Mather Memorial Hosp T C U is a skilled nursing facility with 16 beds with approximately 13 current residents. It operates under for profit - individual ownership. The facility has recorded 12 deficiencies and 0 penalties in CMS inspections.
Does John T Mather Memorial Hosp T C U have any deficiencies or penalties? ▾
John T Mather Memorial Hosp T C U has multiple deficiencies (12 total) and 0 penalties recorded by CMS. A count this high is above what most facilities post; ask the facility directly for its plan of correction on the largest findings.
What are the alternatives to a nursing home in New York? ▾
In New York, alternatives include assisted living ($7,110/mo), home health aides ($6,673/mo), and adult day care ($3,120/mo).
Elder Care Guides
Explore PlainElderCare
Related Resources
Compare cost and CMS quality across the state on the New York elder-care overview, or see how facilities rank nationwide in our highest-rated states ranking.
Weigh nursing care against assisted living, home health, and adult day care, with national median costs, on our care types comparison, and learn how to fund it in our paying for elder care guide.
Source: CMS Nursing Home Compare. Provider ID: 335853.
Read our methodology - how this data is sourced, computed, and verified.