Get to Know Us

Welcome to 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 nine ‘High Performing’ badges for specific service areas, according to the latest U.S. News & World Report’s 2022-23 Best Hospital Rankings. For more information on our rankings, visit the U.S. News & World Report site here.
  
• Named a Recipient of the Healthgrades Orthopedic Surgery Excellence Award for 9 Years in a Row (2015-2023). Named Among the Top 10% in the Nation for Overall Orthopedic Services for 9 Years in a Row (2015-2023).
  
• 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

We invite you to explore this website to see how we can serve you, your family and neighbors.

Learn more about Mount Mount Sinai South Nassau

President’s message
Get to Know Mount Sinai South Nassau (English)
Get to Know Mount Sinai South Nassau (Spanish)
Community service plan
Mission, vision and values