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Male patient in hospital bed looking at standing male physician. The doctor has his hand on patient's shoulder and the two smile and look at each other.
100% devoted to building a nationally recognized heart program

With advanced procedures and leading-edge technology, we’ve put all of our heart into building a nationally recognized heart program, right here in your backyard.


Who we are

When you’re 100 percent devoted to excellence, being the best hospital in Suffolk County for heart care isn’t enough. Instead, we set our sights on becoming one of the best in the nation—and we achieved that goal. Healthgrades ranked us as one of America’s 50 Best Hospitals for Cardiac Surgery™ and among the top 10 percent in the nation for Coronary Interventional Procedures in 2018™.

How did we do it?  We made significant investments so that we can offer the latest treatments for heart and lung conditions in modern, state-of-the-art facilities. For this reason, Southside has become a destination for residents in Suffolk County who are in need of life-saving, world-class care. In fact, more people choose us for complex heart and lung care than any other hospital on the east end.

Whether you’re with us for a routine visit, to address a complex condition, or for an emergency procedure, rest assured you will be in good hands with our team of experts.

Explore areas of expertise

Preventing, diagnosing and treating heart disease starts with seeing a cardiologist. Don't wait for a problem before contacting one of our expert heart specialists.

If your heart condition requires cardiac surgery, our heart surgeons are here to offer the skill and expertise you need for the best possible outcomes.

Our thoracic specialists offer the latest therapies to treat cancerous and noncancerous diseases that affect the lungs and chest.

Free health risk assessment

Start your heart health journey

Find out more about your risk for heart disease by taking this five minute questionnaire. Bring the results to your next doctor’s appointment.

Take our heart health risk assessment
Quality and outcomes

Advanced technology, highly ranked care

Our cardiac care has been recognized by various organizations including Healthgrades, the New York State Department of Health and the Society of Thoracic Surgeons. And that exceptional care doesn't end when you leave the hospital.

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In the news
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For the seventh consecutive reporting period, a newly released state Department of Health (DOH) report showed Long Island Jewish (LIJ) Medical Center in New Hyde Park with the state’s best outcomes for certain types of open-heart surgery...
Laurence M. Epstein, MD, a globally known leader in cardiac electrophysiology, has been named system director of electrophysiology (EP) at Northwell Health...
Southside Hospital is the first hospital on Long Island to be recognized for its high-quality care of people with severe heart attacks by the American Heart Association’s Mission: Lifeline Gold Award...
Southside Hospital has appointed three new members to its cardiology leadership team. David Sedaghat, MD, has been promoted to director of clinical cardiology and non-invasive cardiology...
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