Support Mount Sinai South Nassau
We are Mount Sinai South Nassau, an award-winning, 455-bed, acute care, not-for-profit teaching hospital located in Oceanside, serving the entire South Shore from the Rockaways in Queens to the Massapequas and beyond. Our commitment to quality care is the reason why Mount Sinai South Nassau is the only hospital on Long Island to receive the following combination of honors for quality and service excellence, including:
- Mount Sinai South Nassau is pleased to be 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.
- Mount Sinai South Nassau has been 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).
- Earned The Joint Commission’s Gold Seal of Approval™ Certification in nine specialties
- Top Nursing Care, according to the American Nurses Credentialing Center’s (ANCC) Magnet® recognition
- Our Trauma Center is a Designated Level II Trauma Center by the state of New York and is nationally verified as a Level II Trauma Center by the American College of Surgeons.
- Accredited as a Comprehensive Community Hospital Cancer Program, by the American College of Surgeons' Commission on Cancer
- Our Breast Health Program is accredited by the National Accreditation Program for Breast Centers
- Our radiation oncology suites are accredited by the American College of Radiology
Community Benefits

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Offering a private area for loved ones to gather together and consult with clinical leaders and care teams.
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The Emergency Department (ED) will nearly double in size, with an estimated 50 treatment areas.
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Dedicated areas for pediatric and behavioral health emergencies.
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Help Us Build for the Future
The four-story addition to the existing campus will nearly double the size of the existing Emergency Department, add 9 new operating rooms and a 40-bed critical care unit, as the need for intensive care grows in our South Shore Communities.
Learn more about the J Wing Project.
This is your chance to “Be a Lifesaver” and make an impact on the lives of those who depend on care in their community. Your gift to Mount Sinai South Nassau is tax-deductible, and there are many ways to get involved..
Show your support by filling out our donation form or attending a support event. Or to learn how to donate your stocks to benefit Mount Sinai South Nassau, please contact Lynne Nordone at 516-377-5360.
Events
Throughout the year, Mount Sinai South Nassau hosts various events to help raise funds and build awareness. By attending, you can do your part by supporting our vision of providing the finest medical care possible to people within our community and beyond. If you’re unable to attend the event and would like to support our campaign, please call the Development Office at 516-377-5360.
Past Events
Soirée Under the Stars
Saturday, September 27, 2022
Join us in person as we return to the Seawane Club to support the work of Mount Sinai South Nassau – all proceeds will benefit the hospital and the communities we serve.
38th Annual Golf Outing
Monday, May 16, 2022
Play a round of golf at one of Nassau County's most beautiful courses and enjoy a delicious breakfast, barbecue lunch, cocktails & reception — all while supporting Mount Sinai South Nassau.
2021 Virtual Journal in Support Of Mount Sinai South Nassau
Your contribution helped us make life-saving treatment possible. The new J Wing will help meet projected medical needs for the entire South Shore of Nassau County, including Long Beach.
Thank you to all for your support, the 2021 Virtual Journal can be viewed here.
37th Annual Golf Tournament
Monday, May 17, 2021
Play a round of golf at one of Nassau County's most beautiful courses and enjoy a delicious breakfast, barbecue lunch, cocktails & reception — all while supporting Mount Sinai South Nassau.