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John T Mather Memorial Hospital of Port Jefferson
Hospital Port Jefferson, NY
75 North Country Road, Port Jefferson, NY 11777 · (631) 473-1320
Overall star rating 5
Patient survey rating 4
Hospital typeAcute Care Hospitals
OwnershipVoluntary non-profit - Private
Emergency servicesYes
77% would definitely recommend
How its results compare with the national rate
Number of measures in each group where CMS found this hospital better than, no different from or worse than the national rate.
| Measure | Better | No different | Worse |
|---|---|---|---|
| Mortality | 3 | 4 | 0 |
| Safety of care | 1 | 6 | 0 |
| Readmissions | 1 | 7 | 0 |
What patients said
- Rated the hospital 9 or 10: 75%
- Nurses always communicated well: 83%
- Doctors always communicated well: 82%
- Room and bathroom always clean: 80%
- Always quiet at night: 58%
- Given information about recovery at home: 89%
552 completed surveys
Other options nearby
- St Charles Hospital
0.0 mi away5★ - Suny/stony Brook University Hospital
4.4 mi away5★ - St Catherine of Siena Hospital
10.2 mi away5★ - Northport VA Medical Center
14.4 mi away5★ - Long Island Community Hospital
13.3 mi away4★
Ratings describe past performance reported to CMS and can change. Confirm insurance, availability and services directly with the provider, and talk to your doctor or care team. Source: CMS Provider Data Catalog, Hospital General Information; Patient survey (HCAHPS) (released Jul 22, 2026).