JOHN T MATHER MEMORIAL HOSP T C U

Official Government Ratings

Care Quality Indicators

How JOHN T MATHER MEMORIAL HOSP T C U Compares

JOHN T MATHER MEMORIAL HOSP T C U is a 16-bed for-profit nursing facility in Port Jefferson, New York. It holds an overall CMS rating of 5 out of 5 stars, above the New York average of 3.1 stars. Its strongest area is staffing, rated 5 stars. Its rate of short-stay residents returning to the hospital (18.0%) is below the New York average of 20.7%, a favorable sign for resident care. With 16 certified beds, it maintains moderate occupancy at roughly 84% occupied.

Among the 2 nursing facilities ElderVoice tracks in Port Jefferson, 1 hold a 5-star rating and the local average is 3.5 stars.

By the numbers vs. New York average

• Short-stay rehospitalization: 18.0% — better than the New York average of 20.7%.

Comparisons use CMS Care Compare data (updated May 4, 2026) measured against New York averages across 596 facilities tracked by ElderVoice.

The Senior Community Around Port Jefferson

Port Jefferson sits in Suffolk County, where adults 65 and older make up about 16.9% of the population — a share of seniors in line with New York as a whole (16.5% statewide). The area's median household income is higher than the state average, reflecting a higher cost of living.

Residents 65+

250,684 (16.9%)

Median age

41.7 years

Median household income

$105,362

Median home value

$413,900

Demographics for Suffolk County from the U.S. Census Bureau, American Community Survey (ACS) 5-year estimates. Provided as local context for families comparing care options near Port Jefferson.

Facility Details