Mount Sinai South Nassau T C U
Scout 97Oceanside, NY · 20 beds
5.0CMS rating
Skilled Nursing● Fills quickly
One of Oceanside's top-rated skilled nursing communities.
Est. $14,590–$17,850/mo
View full evaluation →Skilled NursingCMS verified
John T Mather Memorial Hosp T C U
75 North Country Road, Port Jefferson, NY 11777 · Suffolk County
92
ExceptionalHaven Scout Score
Our composite of CMS ratings, staffing, and safety. This community rates exceptional.
Photos via google places, facility website.
Availability outlookModerate availability
Typically 84% full — openings are usually available.
Source: federal census data (average daily residents vs. certified beds, CMS Care Compare). Confirm current openings with an advisor — availability changes weekly.
Our evaluation
An honest, data-grounded look at this community — every claim is drawn from public inspection data.
One of Port Jefferson's top-rated skilled nursing communities
John T Mather Memorial Hosp T C U is a for-profit skilled nursing facility in Port Jefferson, NY, with 16 certified beds and an average of about 13 residents per day.
Medicare rates it 5 out of 5 stars overall — above the national average of about 3 stars. Component ratings: 3/5 on health inspections, 5/5 on staffing, 5/5 on quality measures.
Staff provide about 8.53 total nurse hours per resident each day (5.03 of them from registered nurses), above the national benchmark of roughly 3.9 hours. Annual nursing-staff turnover is about 10%, better than the ~52% national average — a sign of staffing stability. On the safety record, CMS notes 7 health deficiencies at its most recent standard survey.
Strengths
- ✓5-star overall CMS rating
- ✓Above-average nurse staffing (8.53 hrs/resident/day)
- ✓Low staff turnover (continuity of care)
- ✓No federal fines on record
- ✓Full sprinkler system
- ✓Active resident & family council
Things to ask about
None noted in the public data.
Best for: Families who want a highly rated, well-staffed setting in Port Jefferson for 24/7 skilled nursing or post-hospital rehabilitation.
At a glance
- Certified beds
- 16
- Avg. residents/day
- 13
- Ownership
- For profit - Individual
- Part of a chain
- Independent
- Continuing care
- No
- CMS provider #
- 335853
Federal quality ratings
From the U.S. Centers for Medicare & Medicaid Services (CMS), on a 1–5 star scale.
Overall rating
Health inspections
Staffing
Quality measures
Pricing & cost
We publish transparent estimates and verify exact pricing on request. No surprises.
| Level of care | Monthly cost | Source |
|---|---|---|
| Skilled Nursing | $14,590–$17,850/mo (median $15,800) | Local market estimate |
2024–2026 published survey medians, state median adjusted to local Nassau County prices (BEA regional price parities). Request a quote for exact pricing. Range spans semi-private to private rooms. How we estimate costs
Staffing & care
More nursing time per resident — and lower turnover — generally means more attentive care.
- Total nurse hrs / resident / day
- 8.53
- National avg ≈ 3.9
- RN hrs / resident / day
- 5.03
- National avg ≈ 0.75
- Nursing staff turnover
- 10%
- National avg ≈ 52%
Safety & inspection record
Federal inspectors survey nursing homes roughly once a year. Here's the latest on file.
- Health deficiencies (last survey)
- 7
- Federal fines
- None on record
- Total penalties
- 0
- Last standard survey
- 2025-05-23
- Sprinkler system
- Yes
- Resident & family council
- Both
What inspectors found
The most recent findings from federal health inspections (12 citations on record — showing the latest 8). Every nursing home is inspected roughly once a year; most receive some citations.
2025-05-23Severity F — potential for harmNutrition and Dietary Deficiencies
Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
2025-05-23Severity D — potential for harmResident Assessment and Care Planning Deficiencies
Provide doctor's orders for the resident's immediate care at the time the resident was admitted.
2025-05-23Severity D — potential for harmResident Assessment and Care Planning Deficiencies
Create and put into place a plan for meeting the resident's most immediate needs within 48 hours of being admitted
2025-05-23Severity D — potential for harmQuality of Life and Care Deficiencies
Provide safe and appropriate respiratory care for a resident when needed.
2025-05-23Severity D — potential for harmInfection Control Deficiencies
Provide and implement an infection prevention and control program.
2025-05-23Severity D — potential for harmInfection Control Deficiencies
Designate a qualified infection preventionist to be responsible for the infection prevent and control program in the nursing home.
2025-05-23Severity C — minimalAdministration Deficiencies
Have the Quality Assessment and Assurance group have the required members and meet at least quarterly
2024-06-20Severity D — potential for harmNutrition and Dietary Deficiencies
Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
Severity uses the CMS scope/severity scale: D–F = potential for harm, G–I = actual harm, J–L = immediate jeopardy. Source: CMS Care Compare health citations; data as of the latest federal release. Discuss any finding directly with the community on a tour.
Services & amenities
- ✓ Full automatic sprinkler system
- ✓ Medicare & Medicaid certified
- ✓ 24-hour licensed nursing
- ✓ On-site rehabilitation therapy
Location
75 North Country Road, Port Jefferson, NY
- Monday: Open 24 hours
- Tuesday: Open 24 hours
- Wednesday: Open 24 hours
- Thursday: Open 24 hours
- Friday: Open 24 hours
- Saturday: Open 24 hours
- Sunday: Open 24 hours
Reviews & reputation
We aggregate ratings across Google, Yelp, and verified families — and link back to every source so you can read more.
Verified family reviews
No verified family reviews yet for John T Mather Memorial Hosp T C U.
Have a loved one here, or recently toured? Help other families by sharing your experience — we verify every review before it's published.
Talk to an advisor about this communityCommon questions about John T Mather Memorial Hosp T C U
How much does John T Mather Memorial Hosp T C U cost?
John T Mather Memorial Hosp T C U does not publish exact rates. Comparable skilled nursing in the Port Jefferson, NY area typically runs $14,590–$17,850 per month (median $15,800, based on published survey medians adjusted for local prices). A Haven advisor can confirm current pricing for free.
What is John T Mather Memorial Hosp T C U's Medicare rating?
Medicare (CMS) rates John T Mather Memorial Hosp T C U 5 out of 5 stars overall, including 3/5 for health inspections, 5/5 for staffing, 5/5 for quality measures. The national average is about 3 stars.
How is the staffing at John T Mather Memorial Hosp T C U?
Staff provide about 8.53 total nurse hours per resident per day (national benchmark ≈ 3.9), and annual nursing-staff turnover is about 10% (national average ≈ 52%). These figures are reported to the federal government and updated regularly.
What did inspectors find at John T Mather Memorial Hosp T C U?
John T Mather Memorial Hosp T C U has 12 health citations on its recent federal inspection record (last standard survey: 2025-05-23). The full citation-by-citation detail, with severity levels, is published on this page.
Does John T Mather Memorial Hosp T C U have availability?
Typically 84% full — openings are usually available. Availability changes weekly — a Haven advisor can confirm current openings at no cost.
What types of care does John T Mather Memorial Hosp T C U offer?
John T Mather Memorial Hosp T C U in Port Jefferson, NY offers skilled nursing and is licensed for 16 beds.
The best time to decide is before a crisis decides for you
Most families start this search after a fall, a hospital stay, or a caregiver reaching a breaking point — and end up choosing from whatever has a bed open that week. Families who plan even a few weeks ahead get to choose on quality, fit, and price instead of availability alone.
- Move-ins take time: assessments, paperwork, and preparation typically run 2–6 weeks in Nassau County.
- The best communities fill first: top-rated communities often run a waitlist — touring early holds your place in line.
- Touring costs nothing and commits you to nothing — but it turns a future emergency into a calm, informed choice.
Your next steps — this week
- 1Confirm the fitCheck the inspection record and staffing data on this page against your loved one's needs.
- 2Get exact pricing & availabilityRequest current rates for John T Mather Memorial Hosp T C U — takes one minute, answered same day.
- 3Tour 2–3 communitiesCompare this community against two alternatives. Ask about staff turnover, all-in monthly cost, and care-plan changes.
- 4Hold a spotMost communities hold a residence with a small refundable deposit while you decide.
Data sources:CMS verifiedGoogle
Last verified 2026-07-06. We refresh inspection data monthly and reviews continuously.
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