A

John T Mather Memorial Hosp T C U

75 North Country Road, Port Jefferson, NY 11777 · Capacity 16 · 6314731320

Nursing home Safety score 95/100

John T Mather Memorial Hosp T C U holds a 5-of-5-star CMS rating (safety grade A).

5★CMS overall rating
3★Health inspection
5★Staffing
7Health deficiencies

Why the safety grade is A

View official safety record ↗

The grade is computed by Senior Care Record Map from this facility's public regulatory record — it is not assigned by any agency. Underlying data: CMS Care Compare / Medicare.gov (Jul 2026 snapshot) — verify every stat above on the CMS Care Compare page. Listed since 2007. How this grade is calculated → · ⚑ Report an error or dispute this record

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