Mount Sinai South Nassau

Overview

Mission

South Nassau Communities Hospital is committed to providing quality, comprehensive and easily accessible healthcare services to all residents of the South Shore communities in a manner that reflects a culture of excellence, personalized, culturally competent care and innovation.

What it reported doing in 2024

Medical and surgical inpatient services: the hospital is certified for 329 medical surgical beds. These beds include a 36-bed orthopedic specialty unit, a 38-bed oncology (cancer) unit, a 23-bed step-down progressive care unit including an 8-bed bariatric surgery unit and 89 beds for telemetry or others with less than acute coronary problems. The hospital also has a 20 bed transitional care unit the hospital's operating rooms consists of 15 suites which are available for both inpatient and outpatient surgical procedures. A full range of surgical specialties are performed which include orthopedics, spine surgery, plastic surgery, neurosurgery, gynecologic surgery, gastrointestinal surgery, laproscopic bariatric surgery (minimally invasive surgery for weight loss), urology, ophthalmology, vascular surgery, thoracic surgery, permanent pacemakers, implantable defibrillators, podiatric surgery, pediatric surgery, ear, nose and throat surgery, and general surgery. The hospital admitted 15,912 medical surgical patients in 2024. Pediatrics services: the hospital provides comprehensive general and specialized pediatric care for children and teenagers in need of surgical or preventive services or care for infectious diseases, serious illnesses or complex medical conditions. This unit features specialists in pediatric cardiology, endocrinology, gastroenterology, genetics, hematology-oncology, neurology, pulmonary medicine as well as a pediatric surgeon, neonatologist and anesthesiologist. A special care pediatric unit equipped with the latest pediatric medical technology and monitoring system, can effectively manage and treat almost any emergency or serious illness. The unit features a multi-purpose treatment room to perform minor procedures, whether surgical or non-surgical. A team of specially trained nursing staff and pediatricians, including nursing staff trained in pediatric advance life support (pals), with specialists on-call around the clock. The hospital admitted 65 pediatric patients in 2024. Maternity and nursery services: the hospital has state-of-the-art labor/delivery rooms which create a comforting environment while providing all the necessary equipment and clinical support for mother and baby. All 26 postpartum beds offer private accommodations. The hospital provides specialized services for women with high-risk pregnancies. The unit is staffed by some of the area's leading specialists in high-risk pregnancies. South nassau provides a comprehensive package of services, including perinatology, fetal monitoring, genetics counseling, and diagnostic care for all stages of high-risk pregnancies including amniocentesis and ultrasound. The hospital admitted 4,893 maternity patients (including newborns) in 2024. Neonatal services: the hospital also has a level ii neonatal intensive care unit for premature babies. Premature deliveries and newborns with developmental complications or conditions receive the specialized care they need in the neonatal intensive care unit. Staffed by highly trained, board-certified neonatologists and nurses, the nursery provides intensive one-to-one care and is equipped with dedicated medical technology for premature deliveries and newborns with special needs. The nursery also features a state-of-the-art monitoring system. The hospital admitted 150 neonates in 2024. In-patient psychiatric services: in our 36-bed short-term inpatient behavioral health unit, we provide rapid stabilization for a wide range of acute psychiatric conditions. Patients receive psychiatric and psychological consultation during their hospital stay to alleviate distress and pain. The hospital admitted 797 psychiatric patients in 2024. Transitional care unit: this 20 bed unit provides "transitional" care for patients who have completed their acute stay in the hospital yet still require skilled nursing and other supportive care before returning to home or other living arrangements. The hospital admitted 440 patients in 2024. Summar

Operating model

Revenue model
Other-operating. 94% of the money available for current operations came from other operating revenue.
Distribution model
Direct operator. The filing allocates 100% of reported program-service expenses outside its grant, affiliate-payment, and member-benefit lines. This expense classification does not rule out separately announced grant awards.

Nonprofit profile at a glance

EIN
111352310
IRS 990 coverage
2010–2024
Official website data refreshed
Sep 2026
Forms available
Form 990 2024, Form 990-T 2024
Headquarters
Oceanside, NY, USA
Phone
5166323000
Rating
82
Verdict
STRONG
Rating confidence
Moderate
Sector
Hospital, General

Official website

The verdict

STRONG - A large share of available resources goes toward mission work and most voting board members are independent. Few specific pay-setting methods are documented in the filing; unanswered boxes are not proof of absence and some related-organization disclosures are missing.

Rating breakdown

  • Financial Efficiency: 87
  • Transparency & Controls: 65
  • Accountability: 98
  • Sustainability: 57
  • Growth: 100

Detailed rating inputs

Financial Efficiency

  • Mission deployment rate: 85.7%; rating input score 86
  • Program expense ratio: 90.6%; rating input score 91
  • Fundraising efficiency: $53.66 raised per $1 spent on fundraising; rating input score 76; 76th percentile among comparable filings

Transparency & Controls

  • Consistency checks: 100%; rating input score 100; 68th percentile among comparable filings
  • Pay-setting controls: 0 of 6 controls in place; rating input score 0
    • Compensation committee: Missing
    • Independent consultant: Missing
    • Other Form 990s reviewed: Missing
    • Written employment contract: Missing
    • Compensation survey or study: Missing
    • Board or committee approval: Missing
  • Foreign activity oversight: Limited
  • Grant itemization coverage: Limited
  • Major donor itemization: Yes; rating input score 100
  • Related-party transparency: Scored; rating input score 0

Accountability

  • Independent voting board: 96.8%; rating input score 97; 50th percentile among comparable filings
  • Governance controls: 9 of 9 controls in place; rating input score 100
    • Conflict-of-interest policy: Pass
    • Whistleblower policy: Pass
    • Document-retention policy: Pass
    • CEO compensation review process: Pass
    • Other executive compensation review process: Pass
    • Form 990 shared with the board: Pass
    • Board meeting minutes documented: Pass
    • Audit committee oversight: Pass
    • Independent financial-statement audit: Pass

Sustainability

  • Operating margin: 6.2%; rating input score 61; 61st percentile among comparable filings
  • Total-asset coverage ratio: 1.65; rating input score 55; 55th percentile among comparable filings
  • Liabilities to assets ratio: 0.44; rating input score 40; 40th percentile among comparable filings
  • Officer compensation ratio: 1.5%; rating input score 66; 66th percentile among comparable filings

Growth

  • Program expense growth: 6.4% per year; rating input score 100; 53rd percentile among comparable filings
  • Revenue growth: 5.7% per year; rating input score 100; 49th percentile among comparable filings
  • Asset growth: 8.9% per year; rating input score 100; 64th percentile among comparable filings

Details

  • What they do: Mission, programs, and operating context captured from the official website.
  • Where the money goes: 85.7% of revenue deployed · 90.6% of spending went to programs
  • Governance: 30 of 31 board members independent · 9 of 9 filing controls reported
  • Programs: 4 filed program accomplishments · $663.6M in reported program spending
  • Leadership: top reported pay $7.5M · 61 people listed · 0 of 6 pay-setting controls reported
  • Highest-paid contractors: 5 contractors listed · $79.3M reported
  • Consistency: 35 of 35 current checks pass
  • Schedules: 10 filed schedules · includes major donors, executive pay, and related organizations
  • Filing history: 14 annual filings from 2010 to 2024
  • Contacts: How to reach this organization
  • Money network: 10 filed money-flow records
  • Related organizations: 51 filed related-organization links
  • Grant readiness: Federal tax and exclusion status, award history, and grant-maker relationships.
  • People: Everyone the filings name, and which of them the filings identify by more than a name.

Leadership & pay

61 people listed

Highest reported compensation

  • KENNETH DAVIS MD (Trustee and Former Officer): $7,503,060 total reported compensation
  • BRENDAN CARR MD (CHIEF EXECUTIVE OFFICER (START 1/1/24)): $5,489,914 total reported compensation
  • DENNIS CHARNEY MD (PRESIDENT, ACADEMIC AFFAIRS): $2,636,248 total reported compensation

Source: IRS Form 990. Selected filing: FY2024.