An Easier Way to Manage Your Medical Bills
One statement. One payment process. One support team. Mount Sinai’s new unified billing experience is making it easier for patients to understand and manage their health care bills.
Leapfrog Awards Mount Sinai South Nassau an ‘A’ for Hospital Patient Safety
Mount Sinai South Nassau has earned an A grade for patient safety in the elite national patient safety ratings system administered by The Leapfrog Group and developed under the guidance of the nation’s leading patient safety experts.
Mount Sinai South Nassau Rated “High Performing” in Maternity Care for Fourth Consecutive Year
Mount Sinai West and Mount Sinai Morningside also earn Designation from U.S. News & World Report, Reflecting Excellence in Maternity Care Across Health System
South Nassau Receives Magnet Designation for Superior Nursing
The American Nursing Credentialing Center recognizes South Nassau for excellence in nursing.
Learn About Our Visitor Policies
We welcome your visit and strive to keep both visitors and patients safe and healthy.
Start an On-Demand Virtual Urgent Care Visit
Get care fast for cough, sore throat, back pain, and other urgent health issues
Mount Sinai South Nassau is an acute-care, not-for-profit teaching hospital. We bring state-of-the-art health care right to your neighborhood. Located in Oceanside, New York, we serve the South Shore of Nassau County. And we are one of the largest hospitals on Long Island, with 455 beds and more than 900 doctors.
Our services include advanced care cardiology, oncology, orthopedics, bariatrics, pain management, and mental health care. We have been recognized for excellence in nursing care. In addition, we operate the only trauma center, freestanding emergency room, and stroke center in the area. Plus, our patients have access to all the resources of the Mount Sinai Health System. We are here for you.
- Behavioral Health
- Cancer Care
- Cardiology
- Diabetes
- Emergency Care
- Ear, Nose, and Throat (Otolaryngology)
- Family Medicine
- Gastroenterology
- Genetics
- Geriatrics and Palliative Medicine
- Hepatobiliary and Pancreatic Surgery
- Infusion Center
- Interventional Gastroenterology
- Kidney-Nephrology
- LGBT Health
- Maternity/Labor and Delivery
- Maternal Fetal Medicine
- Neurology and Neurosurgery
- Nursing
- Obstetrics and Gynecology
- Orthopedics and Sports Medicine
- Ophthalmology
- Pain Management
- Pediatrics
- Primary Care
- Radiology
- Sleep Wellness
- Stroke
- Surgery (Outpatient)
- Trauma and Surgical Critical Care
- Urology
- Vascular Surgery
- Weight Loss and Metabolic Health
- Weight Loss Surgery
- Women’s Imaging
- Wound Care