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Who owns John T Mather Memorial Hospital T C U in Port Jefferson, New York?

John T Mather Memorial Hospital T C U is a Medicare-certified skilled nursing facility in Port Jefferson, New York. WhoOwnsCare resolves the facility's operating organisation to NORTHWELL HEALTHCARE INC, which controls 7 facilities across the markets we cover. The resolution is based on federal CMS ownership and enrollment records.

Ownership resolution: Verified

Facility snapshot

CCN	335853
Facility type	Skilled Nursing Facility
City	Port Jefferson
County	Suffolk
State	New York
Certified beds	16
CMS overall rating	5 of 5
Ownership type	For profit - Individual
Corporate family	NORTHWELL HEALTHCARE INC

Corporate family

This facility is part of the NORTHWELL HEALTHCARE INC corporate family. The complete portfolio mapping, related legal entities and transaction history are part of the paid intelligence below.

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Common questions

Who owns John T Mather Memorial Hospital T C U?

WhoOwnsCare resolves the facility's ownership filings to NORTHWELL HEALTHCARE INC (verified confidence).

Is John T Mather Memorial Hospital T C U part of a chain?

Yes. NORTHWELL HEALTHCARE INC is associated with 7 facilities across the markets WhoOwnsCare currently covers.

Sources

CMS Medicare enrollment and ownership files, Care Compare provider information, Payroll Based Journal. Data vintage July–August 2026. Full methodology.