WE'RE TRANSFORMING NEUROSURGERY WITH REAL TIME IMAGING

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THE FIRST AND ONLY BABY-FRIENDLY HOSPITAL IN SUFFOLK COUNTY

We believe in optimal nutrition–breastfeeding—and we ensure you have all the support you need before and after.

Supportive Maternity Services

ADVANCED VASCULAR SERVICES

Our expert physicians are using contemporary techniques to treat complex conditions.

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BREAST HEALTH CARE—BE MINDFUL STARTING NOW.

Learn from our expert care team, includinga breast radiologist, breast surgical oncologist and reconstructive/cosmetic breast surgeon.

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Find a Doctor

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Locations & Directions

St. Catherine of Siena Medical Center is located at 50 Route 25A, Smithtown, New York

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Request an Appointment

Submit a simple appointment request online and one of our representatives will be in contact with you.

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CHS MyChart

Register with CHS eHealth, our secure electronic medical record (EMR) to access your health records.

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Browse Services and Programs

State-of-the-Art MRI Caring Suite

The MRI Caring Suite is the optimal personalized experience aimed at reducing anxiety.

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News & Events

Free Health Screenings added to Services at Pep Boys of Lake Grove

July 9, 2018

On Saturday, July 7, 2018, frequenters of the Pep Boys of Lake Grove, walked into the well-known establishment in search of traditional car services and products, and encountered St

Summer EMS Education Dinner Draws 21 Local Fire Departments

July 2, 2018

St. Catherine of Siena Medical Center’s Community Outreach Program hosted its quarterly EMS Dinner and Lecture Series on Wednesday, June 27, 2018 at Stonebridge Country Club—an initiative that...

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