Clinical Excellence, Patient Focused Care

St. Catherine of Siena Hospital (Smithtown, NY) offers Long Islanders the highest level of care. Our doctors, nurses and supporting medical staff deliver clinical excellence in numerous specialties.

Services & Programs

Comprehensive care to meet the unique health needs of each patient.

Emergency Medicine

Our emergency department is open 24 hours a day, seven days a week, for adult and pediatric emergencies.

Radiology & Lab

Convenient access to comprehensive diagnostic and lab services.

Specialized Care

St. Catherine of Siena Hospital Wound Care

St. Francis Heart Center

The St. Francis Heart Center at St. Catherine of Siena Hospital offers heart and vascular care excellence, including cardiac catheterization and Chest Pain Center.