NursingHomeGrade

MOUNT SINAI SOUTH NASSAU T C U

1 HEALTHY WAY, OCEANSIDE, NY 11572

Provider number (CCN)
335871
Certification
Medicare
Ownership
Non profit - Corporation
Certified beds
20
Phone
(516) 632-3500
CMS data as of
August 1, 2026
A
●
stable

Staffing 0% · Deficiencies 0% over tracking period

What the records show

CMS rates MOUNT SINAI SOUTH NASSAU T C U 5 out of 5 stars overall, with 5 of 5 for health inspections, 5 of 5 for staffing, 4 of 5 for quality measures. Federal inspectors cited 5 health deficiencies across the last three survey cycles, most recently surveyed in 2025. CMS lists no fines or payment denials for this facility in the covered period.

Reviews, Ratings and Official Records

This page reviews MOUNT SINAI SOUTH NASSAU T C U using federal government records — CMS star ratings, health-inspection findings, staffing data and enforcement actions. NursingHomeGrade does not collect, host or publish resident or family testimonials, and no star rating below is a consumer review score.

At or above the 2024 benchmark — review the inspection and enforcement records below for the safety history behind the grade.

Ratings and Grade Breakdown

RN Staffing
Registered nurse time each resident receives daily. 2024 federal benchmark: 0.55 hrs. Repealed February 2026.
 4.06 — At or above the repealed 0.55 hr benchmark

The 0.55 hour RN standard was repealed effective February 2, 2026 and is not currently enforced. We still grade against it. Why
Health Deficiencies (last 3 survey cycles)
Violations found during federal inspections, with how many remain open and how many involved actual harm.
Total 5
Outstanding 0
Actual harm or worse (G–L) 0
CMS Ratings
Federal five-star ratings published by CMS. These are regulatory ratings, not consumer review scores.
Overall: ★★★★★ (5/5)
Health inspection: ★★★★★ (5/5)
Quality: ★★★★☆ (4/5)
Staffing: ★★★★★ (5/5)
NursingHomeGrade Score
 94/100

Loaded into NursingHomeGrade on September 5, 2026. This is the load date, not the date CMS published the underlying survey data — see release dates.

CMS scores each facility from one to five stars — one is in the bottom fifth of facilities in its state on health inspections, five is in the top tenth. Our own A–F grade is a separate 0–100 score built from staffing hours, inspection citations, and the severity and correction status of those citations, weighted as described in our grading methodology.

Staffing Compared With State and National Levels

This facility4.06 hrs
NY median0.58 hrs
National average0.69 hrs

Registered nurse turnover: 33.3% · Total nursing staff turnover: 40.7%

Staffing figures are the values CMS published in its file processed August 1, 2026, drawn from payroll-based journal reporting.

Inspection Records Covered

Source records: CMS Care Compare profile for provider 335871 ↗ · the federal files we load and when.

Inspection Deficiencies

Health inspections identify violations of federal standards. Severity ranges from no actual harm (A–F) to immediate jeopardy (J–L).

5 deficiencies found. 5 corrected. None involved actual harm.

Most recent inspection (December 24, 2025)

C No harm — widespread F0868 Status: Corrected

Have the Quality Assessment and Assurance group have the required members and meet at least quarterly

Administration Deficiencies — Deficient, Provider has date of correction, corrected February 2, 2026

Inspection cycle 2 (October 22, 2024)

D Potential harm — isolated F0655 Status: Corrected

Create and put into place a plan for meeting the resident's most immediate needs within 48 hours of being admitted

Resident Assessment and Care Planning Deficiencies — Deficient, Provider has date of correction, corrected November 15, 2024

D Potential harm — isolated F0550 Status: Corrected

Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights.

Resident Rights Deficiencies — Deficient, Provider has date of correction, corrected November 15, 2024

Inspection cycle 3 (June 16, 2023)

D Potential harm — isolated F0656 Status: Corrected

Develop and implement a complete care plan that meets all the resident's needs, with timetables and actions that can be measured.

Resident Assessment and Care Planning Deficiencies — Deficient, Provider has date of correction, corrected July 31, 2023

D Potential harm — isolated F0842 Status: Corrected

Safeguard resident-identifiable information and/or maintain medical records on each resident that are in accordance with accepted professional standards.

Resident Assessment and Care Planning Deficiencies — Deficient, Provider has date of correction, corrected July 31, 2023

Fines and Enforcement Actions

CMS lists no fines and no payment denials for MOUNT SINAI SOUTH NASSAU T C U in the enforcement records covering the last three years, as published in the file processed August 1, 2026.

Ownership and Contact Information

Facility name
MOUNT SINAI SOUTH NASSAU T C U
Legal business name
SOUTH NASSAU COMMUNITIES HOSPITAL
Address
1 HEALTHY WAY, OCEANSIDE, NY 11572
Phone
(516) 632-3500
Provider number (CCN)
335871
Ownership type
Non profit - Corporation
Medicare/Medicaid certified since
November 18, 2014
Official record
CMS Care Compare profile ↗
Details verified against CMS data dated
August 1, 2026

The federal nursing-home files publish no email address for certified facilities, so none is listed here. We do not guess or construct contact addresses. Contact details above are reproduced from CMS Provider Information; call the facility to confirm before relying on them.

How We Stay Independent

NursingHomeGrade is strictly independent. We do not accept payments from facilities. Our grades are calculated solely from federal CMS datasets.

Learn about our data methodology →

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83/100 score 0.70 hrs RN staffing 3 deficiencies

Sources and Methodology

The NursingHomeGrade score is our own calculation from these federal files — it is not a CMS rating and not a consumer review score. See exactly how the score is calculated · full methodology · source files and load dates.

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