John T Mather Memorial Hosp T C U
75 North Country Road, Port Jefferson, NY, 11777
CMS ownership records associate this facility with Northwell Healthcare Inc · For profit - Individual.
At a glance
- CMS overall
- 5
- of 5
- Health inspection
- 3
- of 5
- Staffing
- 5
- of 5
- Quality measures
- 5
- of 5
- Certified beds
- 16
- CMS-reported
CMS rating profile
The four CMS ratings on one aligned scale, with county and state averages for context.
Rating profile
How this facility's overall rating relates to its three CMS component ratings.
CMS-reported data · updated 2026-07-17
Comparative context
This facility's CMS overall rating next to its county and state averages.
CMS-reported data · updated 2026-07-17 · site-calculated context, not a CMS rating
Methodology
Inspections and citations
Health-inspection citations CMS reports for this facility. Individual records are in the technical appendix.
Citation profile
How many citations CMS reports, how severe, and when they occurred.
CMS-reported data · updated 2026-07-17
Methodology
Federal records
Federal fines (CMPs) and payment-denial records CMS reports in the recent reporting period. These are distinct record types and are never merged.
No federal penalty records are included in this data for this facility.
Staffing and care
Selected CMS care indicators for long-stay residents, with a typical level for context. The CMS staffing star rating appears in the rating profile above.
Selected care measures
How this facility's reported care indicators sit against a typical level.
Long-stay residents given antipsychotic medication.
Long-stay residents with new or worsened pressure ulcers.
Long-stay residents with one or more falls with major injury.
CMS-reported data · updated 2026-07-17 · site-calculated context, not a CMS rating
Methodology
Ownership
Facilities and agencies grouped by CMS-reported ownership fields. A company appearing here does not by itself mean it controlled day-to-day care or did anything wrong.
| Owner / organization | Role |
|---|---|
| Northwell Healthcare Inc | 5% OR GREATER DIRECT OWNERSHIP INTEREST |
| Donnelly, Sharon | W-2 MANAGING EMPLOYEE |
| Iadanza, Christina | W-2 MANAGING EMPLOYEE |
| Livreri, Christine | W-2 MANAGING EMPLOYEE |
| Mader, William | W-2 MANAGING EMPLOYEE |
| Ng, Joseph | W-2 MANAGING EMPLOYEE |
| Roberts, Kenneth | W-2 MANAGING EMPLOYEE |
| Wisnoski, Joseph | W-2 MANAGING EMPLOYEE |
| Bello, Stephen | CORPORATE DIRECTOR |
| Blumencranz, Roger | CORPORATE DIRECTOR |
| Britton, Betsy | CORPORATE DIRECTOR |
| Colson, Marvin | CORPORATE DIRECTOR |
| Craig, Nicholas | CORPORATE DIRECTOR |
| Danowski, James | CORPORATE DIRECTOR |
| Diaz, Sylvia | CORPORATE DIRECTOR |
| Diviney, John | CORPORATE DIRECTOR |
| Donnelly, Sharon | CORPORATE DIRECTOR |
| Engelhardt, Debra | CORPORATE DIRECTOR |
| Frey, Kathryn | CORPORATE DIRECTOR |
| Glynn, Timothy | CORPORATE DIRECTOR |
| Iadanza, Christina | CORPORATE DIRECTOR |
| Kuhn, Konrad | CORPORATE DIRECTOR |
| Lippencott, Donald | CORPORATE DIRECTOR |
| Livreri, Christine | CORPORATE DIRECTOR |
| Nappi, Ralph | CORPORATE DIRECTOR |
| Roberts, Kenneth | CORPORATE DIRECTOR |
| Ruggiero, Christine | CORPORATE DIRECTOR |
| Sini, John | CORPORATE DIRECTOR |
| Sternlicht, Leo | CORPORATE DIRECTOR |
| Tranchon, Harold | CORPORATE DIRECTOR |
| Weiss, Edward | CORPORATE DIRECTOR |
| Wisnoski, Joseph | CORPORATE DIRECTOR |
| Yu, John | CORPORATE DIRECTOR |
| Blumencranz, Roger | CORPORATE OFFICER |
| Britton, Betsy | CORPORATE OFFICER |
| Craig, Nicholas | CORPORATE OFFICER |
| Cusack, Michelle | CORPORATE OFFICER |
| Danowski, James | CORPORATE OFFICER |
| Diviney, John | CORPORATE OFFICER |
| Engelhardt, Debra | CORPORATE OFFICER |
| Frey, Kathryn | CORPORATE OFFICER |
| Kuhn, Konrad | CORPORATE OFFICER |
| Nappi, Ralph | CORPORATE OFFICER |
| Roberts, Kenneth | CORPORATE OFFICER |
| Sini, John | CORPORATE OFFICER |
| Sternlicht, Leo | CORPORATE OFFICER |
| Tranchon, Harold | CORPORATE OFFICER |
| Weiss, Edward | CORPORATE OFFICER |
| Blumencranz, Roger | OPERATIONAL/MANAGERIAL CONTROL |
| Britton, Betsy | OPERATIONAL/MANAGERIAL CONTROL |
| Craig, Nicholas | OPERATIONAL/MANAGERIAL CONTROL |
| Danowski, James | OPERATIONAL/MANAGERIAL CONTROL |
| Diviney, John | OPERATIONAL/MANAGERIAL CONTROL |
| Donnelly, Sharon | OPERATIONAL/MANAGERIAL CONTROL |
| Frey, Kathryn | OPERATIONAL/MANAGERIAL CONTROL |
| Glynn, Timothy | OPERATIONAL/MANAGERIAL CONTROL |
| Iadanza, Christina | OPERATIONAL/MANAGERIAL CONTROL |
| Kuhn, Konrad | OPERATIONAL/MANAGERIAL CONTROL |
| Livreri, Christine | OPERATIONAL/MANAGERIAL CONTROL |
| Nappi, Ralph | OPERATIONAL/MANAGERIAL CONTROL |
| Roberts, Kenneth | OPERATIONAL/MANAGERIAL CONTROL |
| Sini, John | OPERATIONAL/MANAGERIAL CONTROL |
| Sternlicht, Leo | OPERATIONAL/MANAGERIAL CONTROL |
| Tranchon, Harold | OPERATIONAL/MANAGERIAL CONTROL |
| Weiss, Edward | OPERATIONAL/MANAGERIAL CONTROL |
| Wisnoski, Joseph | OPERATIONAL/MANAGERIAL CONTROL |
Nearby facilities
Other CMS-certified nursing homes near Suffolk County.
Verify the current location and license with official sources.
| Facility | Location | Overall | Health | Staffing | CMS abuse icon | Federal penalties |
|---|---|---|---|---|---|---|
| The Emerald Peek Rehabilitation and Nursing Center CCN 335003 | Peekskill, NY | 2 | 2 | 1 | Not shown | $139,425 |
| Auburn Rehabilitation & Nursing Center CCN 335004 | Auburn, NY | 2 | 2 | 2 | Not shown | $10,901 |
| Briarcliff Manor Center for Rehab and Nursing Care CCN 335005 | Briarcliff Manor, NY | 1 | 1 | 1 | Shown | $97,282 |
| Katherine Luther Residential Hlth Care & Rehab CCN 335006 | Clinton, NY | 1 | 1 | 1 | Not shown | $80,558 |
| St. John's Health Care Corporation CCN 335008 | Rochester, NY | 1 | 1 | 4 | Not shown | $141,034 |
| St Patricks Home CCN 335011 | Bronx, NY | 3 | 3 | 1 | Not shown | $51,500 |
Related research
Frequently asked questions
What is John T Mather Memorial Hosp T C U's CMS rating?
John T Mather Memorial Hosp T C U has a 5-star CMS overall rating (out of 5) in the current dataset, with CMS component ratings of 3 for health inspections, 5 for staffing, and 5 for quality measures. A star rating is a CMS summary of past data, not a judgment about current conditions.
Where is John T Mather Memorial Hosp T C U located?
John T Mather Memorial Hosp T C U is located at 75 North Country Road, Port Jefferson, NY, 11777 in Suffolk County, and CMS lists 16 certified beds.
Does John T Mather Memorial Hosp T C U have federal penalties or payment denials on record?
The current CMS data shows no federal penalty amounts or payment denials for John T Mather Memorial Hosp T C U over roughly the past three years. Records can change; confirm current status on CMS Care Compare.
How does John T Mather Memorial Hosp T C U's rating compare to nearby facilities?
John T Mather Memorial Hosp T C U's CMS overall rating is 5 of 5. For comparison, the average CMS overall rating is 3.49 across 41 facilities in Suffolk County, and 3.05 across New York. Averages exclude facilities CMS has not rated, and a star rating is a CMS summary, not a judgment about any individual facility.
How can I verify John T Mather Memorial Hosp T C U's current information?
SeniorCareRating.com organizes public CMS data and is not affiliated with CMS. Confirm John T Mather Memorial Hosp T C U's current ratings, inspection reports, and license status on the official CMS Care Compare site and with your state survey agency.
Technical appendix
Record identifiers
- CMS provider number (CCN)
- 335853
- Ownership type
- For profit - Individual
- Certified beds
- 16
- Data snapshot
- 2026-07-17
All 12 citation records
| Date | CMS tag | Severity | Type | CMS deficiency status | Correction date |
|---|---|---|---|---|---|
| May 23, 2025 | 0635 | D | Standard | Deficient, Provider has date of correction | Jul 18, 2025 |
| May 23, 2025 | 0655 | D | Standard | Deficient, Provider has date of correction | Jul 18, 2025 |
| May 23, 2025 | 0695 | D | Standard | Deficient, Provider has date of correction | Jul 18, 2025 |
| May 23, 2025 | 0812 | F | Standard | Deficient, Provider has date of correction | Jul 21, 2025 |
| May 23, 2025 | 0868 | C | Standard | Deficient, Provider has date of correction | Jul 18, 2025 |
| May 23, 2025 | 0880 | D | Standard | Deficient, Provider has date of correction | Jul 18, 2025 |
| May 23, 2025 | 0882 | D | Standard | Deficient, Provider has date of correction | Jul 18, 2025 |
| Jun 20, 2024 | 0812 | D | Standard | Deficient, Provider has date of correction | Aug 15, 2024 |
| Jun 20, 2024 | 0813 | D | Standard | Deficient, Provider has date of correction | Aug 15, 2024 |
| Jun 20, 2024 | 0880 | D | Standard | Deficient, Provider has date of correction | Aug 15, 2024 |
| Oct 5, 2022 | 0623 | C | Standard | Deficient, Provider has date of correction | Nov 21, 2022 |
| Oct 5, 2022 | 0812 | E | Standard | Deficient, Provider has date of correction | Nov 21, 2022 |
How to verify this data
- The current CMS profile on Medicare’s Care Compare
- Your state survey agency’s latest inspection reports
- Any recent complaint investigations
- Current ownership and license status
SeniorCareRating.com organizes public CMS data and is not affiliated with CMS. Ratings and records are CMS-reported summaries of past data, not a judgment about current conditions. See methodology.