New Greenlawn location

We are proud to announce the opening of our new, state-of-the-art facility at 5 Cuba Hill Road in Greenlawn.  To serve you better we bring together 20 specialties, radiology and lab services all under one roof.

The Mission

Welcome to Mount Sinai Doctors Long Island. Our board-certified physicians serve patients of all ages throughout Greenlawn, Huntington, Nesconset, Commack, Bay Shore, and the surrounding communities.

Our physicians have credentials at The Mount Sinai Hospital in Manhattan and at many Long Island hospitals and surgical centers.  

Request an Appointment

At Mount Sinai Doctors Long Island, we pride ourselves on maintaining a lifelong relationship with you and your family. Patients start off in our pediatric and adolescent medicine department and move into our primary care department, where we provide care for adults of all ages. Through every stage of life, our specialists provide the individualized care needed to suit your circumstances. 


5 Cuba Hill Road, Greenlawn, NY 11740
Phone: 631-628-5000

Patients who previously had appointments at 325 Park Avenue, 120 New York Avenue, or 775 Park Avenue, Huntington, NY 11743 should now go to Cuba Hill Road. To schedule an appointment call 631-628-5000.

59 Southern Boulevard, Nesconset, NY 11767
Phone: 631-659-1700

61 Southern Boulevard, Nesconset, NY 11767
Phone: Cardiology – 631-659-1800
Phone: Gastroenterology – 631-659-1850

66 Commack Road, Commack, NY 11725
Phone: 631-659-1620

61 East Main Street, Bay Shore, NY 11706
Phone: 631-659-1600

On Call 24/7

Our physicians and staff are committed to providing the most comprehensive care for our patients.
Access to a physician is available 24/7.

Cuba Hill Road, Greenlawn

59 Southern Boulevard Nesconset

61 Southern Boulevard Nesconset,

66 Commack Road Commack

61 East Main Street Bay Shore