John T Mather Memorial Hospital of Port Jefferson
Port Jefferson, New York · Suffolk CountyCMS #330185
248 BedsGovernment
Financial Snapshot
-4.2%
Operating Margin
State median: -10.8%
-4.2%
Total Margin
58
Days Cash on Hand
State median: 12
70.2%
Occupancy Rate
State median: 68.8%
Source: CMS Cost Reports (HCRIS)
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Community Context
County Health Indicators
Diabetes8.4%
Obesity29.8%
Uninsured5.7%
PCPs per 10K7.1
Sources: County Health Rankings, CDC SVI 2022, HRSA HPSA
Nearest Hospitals
| Hospital | Beds | Distance |
|---|---|---|
| St Charles Hospital | 231 | 0.7 mi |
| Stony Brook University Hospital | 728 | 4.2 mi |
| University Hospital ( Stony Brook ) T C | 0 | 4.2 mi |
Data from CMS Provider of Services, CMS Cost Reports (HCRIS), County Health Rankings, CDC Social Vulnerability Index, and HRSA Bureau of Health Workforce. Last updated: 2026-03-11.