New York › Suffolk County › Port Jefferson
John T Mather Memorial Hosp T C U
75 North Country Road, Port Jefferson, NY 11777
Ratings are based on the most recent data available; a facility's ratings may have changed since the last update. The health inspection rating is based on the three most recent standard surveys and complaint investigations. CMS processed this record on 1 Aug 2026. View the Care Compare record.
John T Mather Memorial Hosp T C U is a For-profit, individual nursing home in Port Jefferson, New York, certified for 16 beds and caring for about 14 residents a day.
CMS gives it 5 of 5 stars overall, above the New York median of 3; the health inspection rating is 3, staffing 5 and quality measures 5.
Inspectors recorded 12 health deficiencies across the three most recent survey cycles (7, 3, 2 by cycle, most recent first), none at the actual-harm level. That is 75.0 per 100 beds, more than the state median of 11.0.
CMS lists no fines or payment denials against the facility in the period covered.
Reported nurse staffing is 8.0 hours per resident per day (4.8 RN), above the New York median of 3.5; nursing staff turnover is 3.4%.
Compared with county, state and nation
| Measure | This facility | Suffolk Co. median | New York median | US average |
|---|---|---|---|---|
| Overall star rating | 5 | 4 | 3 | 3.0 |
| Health citations, 3 cycles | 12 | 15 | 17 | 28.7 |
| Citations per 100 beds | 75.0 | 8.0 | 11.0 | 26.8 |
| Total nurse hours per resident day | 8.0 | 3.7 | 3.5 | 3.9 |
| RN hours per resident day | 4.8 | 0.6 | 0.6 | 0.7 |
| Nursing staff turnover | 3.4% | 31.4% | 38.4% | 45.8% |
| Fines listed | $0 | $0 | $0 | — |
County and state figures are medians across facilities (41 in the county, 593 in the state); the US column is the CMS national average where CMS publishes one.
Citations by survey cycle
Dark bar: this facility. Grey bar: New York average per facility for the same cycle, as published by CMS. Standard health survey dates: 23 May 2025, 20 Jun 2024.
Severity mix: D ×8 E ×1 F ×1 C ×2
Health deficiencies
Every health citation in the current CMS record (three survey cycles), most recent first. Tag text is the CMS requirement summary, not the inspection narrative.
Scope and severity letters (A–L)
| Survey date | Tag | What the tag requires | Severity | Type | Corrected |
|---|---|---|---|---|---|
| 23 May 2025 | F0812 | Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards. | F | Standard survey | 21 Jul 2025 |
| 23 May 2025 | F0635 | Provide doctor's orders for the resident's immediate care at the time the resident was admitted. | D | Standard survey | 18 Jul 2025 |
| 23 May 2025 | F0655 | Create and put into place a plan for meeting the resident's most immediate needs within 48 hours of being admitted | D | Standard survey | 18 Jul 2025 |
| 23 May 2025 | F0695 | Provide safe and appropriate respiratory care for a resident when needed. | D | Standard survey | 18 Jul 2025 |
| 23 May 2025 | F0880 | Provide and implement an infection prevention and control program. | D | Standard survey | 18 Jul 2025 |
| 23 May 2025 | F0882 | Designate a qualified infection preventionist to be responsible for the infection prevent and control program in the nursing home. | D | Standard survey | 18 Jul 2025 |
| 23 May 2025 | F0868 | Have the Quality Assessment and Assurance group have the required members and meet at least quarterly | C | Standard survey | 18 Jul 2025 |
| 20 Jun 2024 | F0812 | Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards. | D | Standard survey | 15 Aug 2024 |
| 20 Jun 2024 | F0813 | Have a policy regarding use and storage of foods brought to residents by family and other visitors. | D | Standard survey | 15 Aug 2024 |
| 20 Jun 2024 | F0880 | Provide and implement an infection prevention and control program. | D | Standard survey | 15 Aug 2024 |
| 5 Oct 2022 | F0812 | Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards. | E | Standard survey | 21 Nov 2022 |
| 5 Oct 2022 | F0623 | Provide timely notification to the resident, and if applicable to the resident representative and ombudsman, before transfer or discharge, including appeal rights. | C | Standard survey | 21 Nov 2022 |
Penalties
CMS lists no fines or payment denials for this facility in the period covered.
Staffing
Hours per resident per day as reported through the Payroll-Based Journal; grey bars are the New York average. Turnover: nursing staff 3.4%, RNs 0.0%; 0 administrators left in the reporting year.
Quality measures
| Measure | Residents | This facility | New York median | US median |
|---|---|---|---|---|
| Percentage of short-stay residents who newly received an antipsychotic medication | Short Stay | 0.4% | 0.9% | 1.0% |
Four-quarter averages for the measures CMS uses in the quality-measure star rating (2025Q2-2026Q1). Lower is better for every measure listed. Medians are computed across facilities on this site.
Ownership
Ownership type: for-profit, individual.
| Organisation | Role in the CMS record | Interest | Since |
|---|---|---|---|
| Northwell Healthcare Inc | 5% or greater direct ownership interest | 100% | 01/01/2018 |
Only organisations are shown. CMS also records individual owners, officers and managing employees; this site does not publish people's names.
Other nursing homes in Suffolk County
| Facility | City | Beds | Overall | Health | Staffing | Citations | Per 100 beds | Fines | Last survey |
|---|---|---|---|---|---|---|---|---|---|
| Acadia Center For Nursing and Rehabilitation | Riverhead | 181 | 5 | 4 | 2 | 10 | 5.5 | — | 18 Sep 2024 |
| Berkshire Nursing & Rehabilitation Center | West Babylon | 175 | 5 | 4 | 2 | 10 | 5.7 | $32K | 18 Feb 2026 |
| Brookside Multicare Nursing Center | Smithtown | 353 | 5 | 4 | 4 | 15 | 4.2 | — | 25 Nov 2025 |
| Good Samaritan Nursing and Rehabilitation Care Ctr | Sayville | 100 | 5 | 4 | 3 | 8 | 8.0 | — | 7 Apr 2026 |
| Gurwin Jewish Nursing and Rehabilitation Center | Commack | 460 | 5 | 4 | 3 | 17 | 3.7 | — | 8 Jan 2026 |
| Jefferson'S Ferry | South Setauket | 60 | 5 | 5 | 4 | 4 | 6.7 | — | 13 Jun 2025 |
| Long Island State Veterans Home | Stonybrook | 350 | 5 | 5 | 5 | 10 | 2.9 | — | 11 Mar 2025 |
| Luxor Nursing & Rehabilitation At Mills Pond | St James | 252 | 5 | 4 | 2 | 11 | 4.4 | — | 14 Jan 2025 |
All 41 facilities in Suffolk County
Questions and answers
How many deficiencies has John T Mather Memorial Hosp T C U been cited for?
12 health deficiencies across the three most recent survey cycles, 0 at the actual-harm or immediate-jeopardy level. The New York median is 17 per facility.
Has John T Mather Memorial Hosp T C U been fined?
CMS lists no fines against the facility in the period covered.
How does staffing at John T Mather Memorial Hosp T C U compare?
Reported total nurse staffing is 8.0 hours per resident per day against a New York median of 3.5 and a national average of 3.9.
Who operates John T Mather Memorial Hosp T C U?
Ownership type is for-profit, individual. Organisations in the CMS ownership record include Northwell Healthcare Inc. Individual owners and managers are not listed on this site.
When was John T Mather Memorial Hosp T C U last inspected?
The most recent survey or investigation in the CMS record is dated 23 May 2025; the most recent standard health survey was 23 May 2025.
Where does this data come from?
All figures are from the Centers for Medicare & Medicaid Services Care Compare datasets (provider information, health deficiencies, penalties, ownership and quality measures), processed 1 Aug 2026. Ratings and citations may change; the Care Compare record is authoritative.
Provenance
Source: Centers for Medicare & Medicaid Services, Care Compare nursing home datasets (provider information, health deficiencies, penalties, ownership, MDS quality measures, state and national averages), public domain, processed by CMS on 1 Aug 2026. Facility record: Care Compare. Errors in processing are corrected at the next daily build; see corrections.