South Nassau Communities Hospital

What South Nassau Communities Hospital does

Mount Sinai South Nassau, formerly South Nassau Communities Hospital, is a 455-bed acute-care, not-for-profit teaching hospital located in Oceanside, New York, serving the South Shore of Nassau County on Long Island. The hospital operates as a member of the Mount Sinai Health System and is the only trauma center, freestanding emergency department, and stroke center in its service area, providing a comprehensive range of clinical services across cardiology (including cardiac catheterization, electrophysiology, and heart failure management), oncology, maternity and labor and delivery with a Level II NICU, neurology and neurosurgery, orthopedics, hepatobiliary and pancreatic surgery, interventional gastroenterology, urology, vascular surgery, dialysis, diabetes education, genetics, and weight-loss/bariatric surgery. The hospital operates more than 900 physicians across specialties and supports residency training programs in anesthesiology, family medicine, general surgery, internal medicine, obstetrics and gynecology, and podiatry. Technology platforms include the da Vinci Surgical System, Gamma Knife and Novalis Tx radiosurgery, Spyglass Visualization, confocal laser endomicroscopy, and cardiac catheterization and electrophysiology laboratories, with the cardiac program achieving an average door-to-balloon time of approximately 63 minutes—27 minutes faster than the 90-minute national benchmark. Magnet designation from the American Nursing Credentialing Center, The Joint Commission accreditation, Commission on Cancer accreditation, Perinatal Certification, Baby-Friendly designation, and National Pancreas Foundation Center of Excellence recognition reflect clinical quality investments.

The hospital's business model is based on patient care service reimbursement from commercial insurance, Medicare, Medicaid, and patient co-pays, with financial assistance programs for qualifying patients. Patient access occurs through direct admission, physician referrals, emergency department visits at the main Oceanside campus, the Long Beach freestanding emergency department, multiple Mount Sinai Doctors outpatient practice locations across Hewlett (Five Towns), Wantagh, Bellmore, Long Beach, and Baldwin, and virtual urgent care visits through the MyMountSinai/MyChart patient portal. Marketing and patient engagement channels include the institutional websites (southnassau.org and mountsinai.org/locations/south-nassau), social media presence across Facebook, X, LinkedIn, YouTube, and Instagram, the Truth In Medicine public health awareness poll, community education programs, and a physician directory featuring Castle Connolly Top Doctors. As a not-for-profit entity, the hospital is not publicly traded and does not have equity financing rounds; financial data is not publicly disclosed.

Name

South Nassau Communities Hospital

Legal name

South Nassau Communities Hospital

Website

https://southnassau.org

Company type

Private

Founded year

1928

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Mount Sinai South Nassau is a 455-bed acute-care, not-for-profit teaching hospital in Oceanside, NY, serving the South Shore of Nassau County as the region's only trauma center, freestanding ED, and stroke center, with 900+ physicians across comprehensive specialty services.

Ownership category

akta.pro rank

Product category

Acute-Care Hospital Services

NAICS

General Medical and Surgical Hospitals (622110)

SIC

Services-General Medical & Surgical Hospitals, Nec (8062), Services-Hospitals (8060)

akta.pro industry

PRIMARYHLAFAAAB

Community & Regional General Hospitals

Healthcare & Life Sciences/Healthcare Providers & Systems/Acute Care Hospitals & Health Systems

Keywords

• Acute care hospital
• Emergency medical services
• Cardiac and oncology care
• Maternity and neonatal care
• Surgical specialty services

Headquarters

HQ city

Oceanside

HQ country

United States

HQ region

North America

Offices6 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Technology or R&D, Supply Chain, Marketing or Sales

Revenue model

1. Patient Care Services: The hospital generates revenue through reimbursement for medical services provided to patients, including emergency care, surgical procedures, diagnostic services, oncology treatments, cardiac interventions, maternity services, and outpatient care. Revenue is derived from insurance payers (commercial insurance, Medicare, Medicaid) and patient co-pays.

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels8 records

Core offering

South Nassau Communities Hospital (Mount Sinai South Nassau) is an acute-care, not-for-profit teaching hospital providing comprehensive inpatient and outpatient medical services to residents of the South Shore of Nassau County. The hospital delivers emergency, trauma, stroke, cardiac, oncology, maternity, surgical, and specialty care through its 455-bed main campus, a freestanding emergency department, and multiple outpatient locations across Long Island.

Product overview

Mount Sinai South Nassau is an acute-care, not-for-profit teaching hospital offering a comprehensive range of medical services. The hospital operates as a unified healthcare platform with multiple specialized centers and departments working together to provide patient care. Key service lines include Cancer Treatment & Oncology Care, Cardiac Care (Mount Sinai Heart), Maternity/Labor & Delivery with Level II NICU, Emergency Services, Neurology/Neurosurgery, Dialysis, Diabetes Education, Center for Digestive Health, Hepatobiliary and Pancreatic Surgery, and Orthopedics. Advanced technology services include da Vinci Robotic Surgery, Gamma Knife Radiosurgery, and Novalis Tx Radiosurgery. The hospital also provides patient-facing digital services through MyMountSinai and FollowMyHealth patient portals. With 455 beds and over 900 doctors, it serves the South Shore of Nassau County as one of the largest hospitals on Long Island.

Differentiator

Problem solved

Functional benefit

Products and services

• Cancer Treatment and Oncology Care Comprehensive cancer care including surgery, chemotherapy, radiation, and advanced treatments with specialized programs for breast, brain, colorectal, gynecological, lung, melanoma, prostate, thyroid cancers, and surgical oncology; for patients in the Long Island region.
• Cardiac Care Services (Mount Sinai Heart) Cardiovascular care including cardiac catheterization, angioplasty, electrophysiology, peripheral vascular procedures, cardiac rehabilitation, and heart failure management; for patients needing cardiac care on Long Island.
• Maternity, Labor and Delivery with Level II NICU Comprehensive maternity services including labor and delivery, high-risk pregnancy care, Level II Neonatal Intensive Care Unit, and perinatal education programs; for expectant mothers and newborns.
• Emergency Services and Freestanding Emergency Department Emergency department with expanded capacity featuring separate pediatric and behavioral health areas, plus a freestanding emergency department in Long Beach; for patients needing urgent and emergency care.
• Neurology, Neurosurgery, and Neurosciences Neurological care including stroke care, epilepsy monitoring, headache treatment, movement disorders, multiple sclerosis, neuromuscular diseases, and pediatric neurosurgery; for patients with neurological conditions.
• Dialysis Services Inpatient and outpatient dialysis treatment with 18 patient stations equipped with state-of-the-art dialysis technology; for patients requiring kidney dialysis.
• Diabetes Education Program Comprehensive diabetes management education including individual and group classes, certified diabetes educators, insulin pump training, and continuous glucose monitoring; for patients with diabetes and their families.
• Center for Digestive Health Gastrointestinal and colorectal surgical care addressing conditions of the esophagus, stomach, small intestine, colon, rectum, liver, and pancreas with minimally invasive techniques; for patients with digestive diseases.
• Hepatobiliary and Pancreatic Surgery (HPB) Program Surgical treatment for liver, bile duct, and pancreatic conditions including pancreatic cancer, using advanced minimally invasive and robotic techniques; for patients with HPB disease.
• Outpatient Infusion Center Outpatient infusion services providing chemotherapy, hydration therapy, IV antibiotics, monoclonal antibodies, and blood product transfusions; for patients requiring infusion therapy.
• Interventional Gastroenterology (GI) Advanced endoscopic procedures including Spyglass visualization, endoscopic suturing, radiofrequency ablation, and treatments for pancreatic and biliary conditions; for patients with complex GI conditions.
• ENT (Otolaryngology) Services Ear, nose, and throat care including sinusitis treatments, balloon sinuplasty, endoscopic sinus surgery, and head and neck cancer surgery; for patients with ENT conditions.
• Family Medicine and Primary Care Primary care services for all ages including adolescent medicine, adult medicine, chronic illness management, pediatrics, and specialty referrals; for families and individuals seeking primary care.
• Geriatric and Palliative Care Specialized care for chronic and serious illness focusing on quality of life, pain management, and support for patients and families; for elderly and seriously ill patients.
• Genetics Program Cancer and prenatal genetic counseling including hereditary cancer risk assessment, genetic testing, and reproductive genetic counseling; for patients and families seeking genetic risk evaluation.
• Weight Loss and Bariatric Surgery Medical and surgical weight loss programs including bariatric procedures, metabolic health management, and body mass index treatment; for patients seeking weight loss solutions.
• Stroke Center Comprehensive stroke care with specialized emergency treatment, including stroke center designation for the area; for patients experiencing stroke symptoms.
• Center for Sleep Wellness Sleep medicine services including diagnosis and treatment of sleep disorders with pediatric sleep medicine available; for patients with sleep disorders.
• Trauma and Surgical Critical Care Level I trauma center services providing emergency surgical care and critical care treatment; for patients with traumatic injuries.
• Orthopedics and Sports Medicine
• Center for Women's Imaging
• Wound Care
• Vascular Surgery
• Urology Care
• da Vinci Robotic Surgical System
• Gamma Knife Radiosurgery
• Novalis Tx Radiosurgery
• MyMountSinai (MyChart) Patient Portal

Quantifiable outcome

• Average door-to-balloon time of ~63 minutes — 27 minutes faster than the 90-minute national benchmark for emergency balloon angioplasty
• +7 more outcomes

Named customers5 records

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature10 records

Partnerships

One partnership is on record.

• Mount Sinai Health SystemcoreOthersMount Sinai South Nassau is a member hospital of the Mount Sinai Health System, one of the largest academic medical systems in New York City and Long Island. As part of this system, the hospital has access to the resources, research, and specialist network of the Icahn School of Medicine at Mount Sinai, including residency training programs, clinical trials, and academic medicine expertise.

Scale indicators7 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Long Island Jewish Medical Center (Northwell Health): Major tertiary academic hospital on Long Island and part of Northwell Health, the largest health system in the region. Directly competes with Mount Sinai South Nassau for inpatient volume, specialty referrals, and physician recruitment across Nassau County and Queens.
• NYU Langone Hospital—Long Island: 591-bed acute care hospital in Mineola, NY, formerly known as Winthrop. Operates as NYU Langone's primary Long Island hub and directly competes with Mount Sinai South Nassau for Nassau County inpatient and specialty volume.
• Mercy Hospital (Catholic Health): Acute care hospital in Rockville Centre, NY, part of Catholic Health of Long Island. Geographic neighbor of Mount Sinai South Nassau and a direct competitor for South Shore Nassau County inpatient and emergency services.
• St. Francis Hospital & Heart Center (Catholic Health): Specialty cardiac hospital in Roslyn, NY, part of Catholic Health of Long Island. Competes directly with Mount Sinai Heart at Mount Sinai South Nassau for cardiac catheterization, coronary intervention, and cardiovascular surgery referrals in the Nassau County market.
• North Shore University Hospital (Northwell Health): Large tertiary academic hospital in Manhasset, NY, part of Northwell Health. Competes with Mount Sinai South Nassau for tertiary specialty referrals across Long Island and northern Nassau County.

Regional players

• Stony Brook Southampton Hospital: Community hospital on the South Fork of Long Island, part of Stony Brook Medicine. Competes in the broader Long Island market but does not directly overlap in the South Shore Nassau County catchment.
• Peconic Bay Medical Center (Northwell Health): Community hospital in Riverhead, NY, part of Northwell Health. Operates in a different geography (eastern Long Island) but represents Northwell's broader competitive footprint across Long Island.

Broad incumbents

• NewYork-Presbyterian Hospital: Largest academic medical system in NYC with multiple hospitals including Columbia, Weill Cornell, and lower Manhattan sites. Competes with Mount Sinai South Nassau for high-acuity tertiary and quaternary referrals from Long Island patients willing to travel to Manhattan.
• Mount Sinai Hospital (Manhattan): Quaternary academic medical center and the flagship of the Mount Sinai Health System, of which Mount Sinai South Nassau is a member. Represents both a referral destination for complex cases and the parent system's brand anchor.

Others

• Hackensack Meridian Health: Large New Jersey-based health system that competes with Mount Sinai-affiliated providers for cross-Hudson referrals from Long Island and is part of the broader regional competitive set for tertiary specialty volume.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/southnassau
• YouTubeyoutube.com/c/SouthNassauCommunitiesHospital11572
• Facebookfacebook.com/southnassau
• LinkedInlinkedin.com/company/south-nassau-communities-hospital
• Instagraminstagram.com/mountsinaisouthnassau

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Subsidiaries13 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about South Nassau Communities Hospital