Mount Sinai South Nassau

We are an award-winning, 455-bed, acute care, not-for-profit teaching hospital located in Oceanside. Our dedicated staff serves the entire South Shore, from the Rockaways in Queens to the Massapequas and beyond. And we offer quality, compassionate care on our main campus in Oceanside, plus nine other satellite facilities in the region.

Some people call us the best-kept secret on Long Island, though we rank among the best for the health care we provide. And our commitment to quality is the reason Mount Sinai South Nassau hospital on Long Island has received the following honors for quality and service excellence:

• Ranked among the Best Regional Hospitals in the metro area and earned eight ‘High Performing’ badgesfor specific service areas, according to the latest U.S. News & World Report’s 2021-22 Best Hospital Rankings.
• Named as one of America’s 100 Best Hospitals for Orthopedic Surgery by Healthgrades.
• The Joint Commission Perinatal Care Certification (First Long Island Hospital to Earn Joint Commission Certification)
• HomeCare Elite™ listing of the top 25% of home health care providers in the US
   
• Top Nursing Care, according to the American Nurses Credentialing Center’s (ANCC) Magnet^® recognition
   
• Becker’s Hospital Review “100 Hospitals with Great Women’s Health Programs”
• Infectious Diseases Society of America Antimicrobial Stewardship Centers of Excellence designation
• Full list of Mount Sinai South Nassau's Awards & Accreditations