Nursing home · Nursing home (skilled nursing)
Who owns John T Mather Memorial Hosp T C U?
75 Ncountry Rd · Port Jefferson, NY · 11777
Overview
CMS overall rating5 of 5state average 3.0
Certified beds16
Average residents1486% of beds
Nurse hours per resident day7.99state average 3.63
John T Mather Memorial Hosp T C U is a nursing home (skilled nursing) in Port Jefferson, New York, operated by John T Mather Memorial Hospital.
Ownership
John T Mather Memorial Hosp T C U is operated by John T Mather Memorial Hospital, part of Northwell Health.
- Operator
- John T Mather Memorial Hospital
- Owner group
- Northwell Health
- Ownership changed in last 12 months
- No
- Sources
- CMS nursing home enrollment and owners · 2026-10-24
- AHRQ Compendium of U.S. Health Systems (hospital linkage) · 2023-12-31
Ownership history
Every dated change of operator and owner for John T Mather Memorial Hosp T C U, with the source for each.
Full ownership tree of Northwell Health
Every entity between this facility and its ultimate owner, with ownership percentages and dates.
Quality and staffing
- Overall
- 5 of 5state average 3.0
- Health inspections
- 3 of 5state average 2.7
- Staffing
- 5 of 5state average 2.8
- Quality measures
- 5 of 5state average 3.8
| Staffing | This home | State average |
|---|---|---|
| Nurse hours per resident day | 7.99 | 3.63 |
| Registered nurse hours per resident day | 4.81 | 0.71 |
| Nursing staff turnover | 3.4% | 40.3% |
| Registered nurse turnover | 0.0% | – |
| Administrators who left | 0 | – |
- Fines (3 years)
- None
- CMS abuse icon
- No
Location and market
- Address
- 75 Ncountry Rd · Port Jefferson, NY · 11777
- State
- New York
Nearby nursing homes
| Name | City | Distance |
|---|---|---|
| Waters Edge At Port Jefferson For Rehabilitation And Nursing | Port Jefferson | 1.2 mi |
| Allegria Nursing & Rehab Center Of Port Jefferson | Port Jefferson Station | 1.7 mi |
| Allegria Nursing & Rehab Center Of Port Jefferson | Port Jefferson Stati | 1.9 mi |
| Jefferson'S Ferry | South Setauket | 3.2 mi |
| Long Island State Veterans Home | Stony Brook | 3.6 mi |
| Surge Rehabilitation And Nursing Llc | Middle Island | 5.2 mi |
Sources and identifiers
- Operator: CMS nursing home enrollment and owners · AHRQ Compendium of U.S. Health Systems (hospital linkage)
- Ratings, staffing and penalties: CMS Nursing Home Care Compare (2026)
- Ownership type and beds: CMS Provider of Services file
- Location: CMS and Census Bureau geography
- CMS certification number
- 335853
- Last confirmed
- 2026-10-27
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