Hospital Directory USA
Acute care hospital Emergency room

St Catherine of Siena Hospital in Smithtown, NY

Also known as Saint Catherine of Sienna Medical Center, Saint John's Episcopal Hospital

Directions (631) 862-3000 catholichealthli.org

In a medical emergency, call 911. This page is for information only.

Overview

About St Catherine of Siena Hospital

St Catherine of Siena Hospital is an acute care hospital in Smithtown, Suffolk County, New York. It reports its ownership to Medicare as nonprofit (church-affiliated). It provides emergency services. Its CMS Overall Hospital Quality Star Rating is 5 out of 5. It has 296 licensed beds, according to state license data via HIFLD. The nearest other listed hospital is Northport Veterans Hospital, about 5.1 mi away.

CMS Care Compare

Quality ratings

5
Overall Hospital Quality Star Rating, out of 5

How this hospital compares with the national rate on each measure group:

Mortality
1 better · 6 no different
Deaths within 30 days for conditions such as heart attack, heart failure, pneumonia and stroke.
Safety of care
2 better · 5 no different
Infections and complications acquired in the hospital.
Readmission
1 better · 5 no different · 1 worse
Unplanned returns to the hospital after discharge.

Source: Centers for Medicare & Medicaid Services, Hospital General Information. How star ratings work.

Emergency department

Emergency room times

206 min
Median time in the ER before leaving (OP-18b)
1.0%
Left before being seen (OP-22)
medium
Emergency department volume

Lower times are better. Reporting period ending September 2025. Source: CMS Timely and Effective Care. What these numbers mean.

Safety of care

Infections and sepsis care

  • MRSA bloodstream infectionsBetter than national · SIR 0.00
  • Catheter-associated urinary tract infections (CAUTI)Better than national · SIR 0.00
  • Clostridioides difficile (C. diff) infectionsBetter than national · SIR 0.00
  • Central line bloodstream infections (CLABSI)No different · SIR 0.00
  • Surgical site infections after colon surgeryNo different · SIR 1.27

83% of patients with severe sepsis or septic shock received all the recommended early care steps (SEP-1). Higher is better.

SIR is the standardized infection ratio: below 1 means fewer infections than predicted for a hospital like this one. Period ending September 2025. Source: CMS Healthcare-Associated Infections and Timely and Effective Care.

HCAHPS survey

What patients say

  • Patient survey star rating
  • Would definitely recommend66%
  • Rated the hospital 9 or 1066%
  • Completed surveys962

Survey period ending September 2025. Source: CMS HCAHPS Patient Survey.

Map

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40.86503, -73.22062

Within 25 miles

Nearby hospitals

Frequently asked questions

Where is St Catherine of Siena Hospital located?

St Catherine of Siena Hospital is at 50 Route 25a, Smithtown, NY 11787 in Suffolk County.

Does St Catherine of Siena Hospital have an emergency room?

Yes. St Catherine of Siena Hospital reports emergency services to Medicare, and patients spent a median of 206 minutes in its emergency department before leaving. In a life-threatening emergency, call 911.

What is the CMS star rating of St Catherine of Siena Hospital?

St Catherine of Siena Hospital has a CMS Overall Hospital Quality Star Rating of 5 out of 5. The rating combines measures of mortality, safety of care, readmission, patient experience and timely and effective care, compared with hospitals nationwide.

Is St Catherine of Siena Hospital a trauma center?

We have no trauma center designation on record for St Catherine of Siena Hospital. Hospitals without one still treat injuries in their emergency department and transfer patients who need a trauma center. Check the New York trauma program for the current list.

What is the phone number of St Catherine of Siena Hospital?

The main phone number on record with Medicare is (631) 862-3000.

Would patients recommend St Catherine of Siena Hospital?

In the most recent HCAHPS patient survey (962 completed surveys), 66% of patients said they would definitely recommend the hospital, and 66% rated it 9 or 10 out of 10.

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