Northern Westchester Hospital in Mount Kisco, NY
In a medical emergency, call 911. This page is for information only.
About Northern Westchester Hospital
Northern Westchester Hospital is an acute care hospital in Mount Kisco, Westchester County, New York. It reports its ownership to Medicare as nonprofit (private). It provides emergency services. Its CMS Overall Hospital Quality Star Rating is 5 out of 5. It has 245 licensed beds, according to state license data via HIFLD. It meets the CMS Birthing-Friendly designation criteria for maternity care. The nearest other listed hospital is Four Winds, about 7.3 mi away.
Quality ratings
How this hospital compares with the national rate on each measure group:
Source: Centers for Medicare & Medicaid Services, Hospital General Information. How star ratings work.
Emergency room times
Lower times are better. Reporting period ending September 2025. Source: CMS Timely and Effective Care. What these numbers mean.
Infections and sepsis care
- MRSA bloodstream infectionsNo different · SIR 0.00
- Catheter-associated urinary tract infections (CAUTI)No different · SIR 0.69
- Clostridioides difficile (C. diff) infectionsBetter than national · SIR 0.07
- Central line bloodstream infections (CLABSI)No different · SIR 0.46
- Surgical site infections after abdominal hysterectomyNo different · SIR 0.59
- Surgical site infections after colon surgeryNo different · SIR 0.26
79% 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.
What patients say
- Patient survey star rating
- Would definitely recommend78%
- Rated the hospital 9 or 1076%
- Completed surveys491
Survey period ending September 2025. Source: CMS HCAHPS Patient Survey.
Map
41.19613, -73.72477
Nearby hospitals
- Four Winds800 Cross River Rd, Katonah, NYPsychiatric hospital7.3 mi
- Westchester Medical Center100 Woods Rd, Valhalla, NY · Level I traumaAcute care hospital8.6 mi
- Blythedale Children's Hospital95 Bradhurst Avenue, Valhalla, NYChildren's hospital9.2 mi
- Phelps Hospital701 North Broadway, Sleepy Hollow, NY · Emergency roomAcute care hospital9.6 mi
- Hudson Valley Hospital Center1980 Crompond Road, Cortlandt Manor, NY · Emergency roomAcute care hospital11 mi
- VA Hudson Valley Healthcare System2094 Albany Post Road, Montrose, NYVA medical center11 mi
- White Plains Hospital CenterDavis Ave At E Post Road, White Plains, NY · Emergency roomAcute care hospital12 mi
- Greenwich Hospital Association -5 Perryridge Rd, Greenwich, CT · Emergency roomAcute care hospital12 mi
- Nyack Hospital160 North Midland Avenue, Nyack, NY · Level III traumaAcute care hospital12 mi
- Burke Rehabilitation Hospital785 Mamaroneck Avenue, White Plains, NYRehabilitation hospital13 mi
Frequently asked questions
Where is Northern Westchester Hospital located?
Northern Westchester Hospital is at 400 East Main Street, Mount Kisco, NY 10549 in Westchester County.
Does Northern Westchester Hospital have an emergency room?
Yes. Northern Westchester Hospital reports emergency services to Medicare, and patients spent a median of 196 minutes in its emergency department before leaving. In a life-threatening emergency, call 911.
What is the CMS star rating of Northern Westchester Hospital?
Northern Westchester 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 Northern Westchester Hospital a trauma center?
We have no trauma center designation on record for Northern Westchester 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 Northern Westchester Hospital?
The main phone number on record with Medicare is (914) 666-1200.
Would patients recommend Northern Westchester Hospital?
In the most recent HCAHPS patient survey (491 completed surveys), 78% of patients said they would definitely recommend the hospital, and 76% rated it 9 or 10 out of 10.
Related guides
- How CMS Hospital Star Ratings WorkThe five measure groups behind the 1 to 5 star Overall Hospital Quality Star Rating, how it is calculated and what it leaves out.
- How to Choose a HospitalA practical checklist for planned care: insurance networks, procedure volume, quality ratings, certifications and cost estimates.
- How to Choose a Hospital to Give BirthLevels of maternal and newborn care, the CMS Birthing-Friendly designation, quality data and questions to ask on a tour.
- ER Wait Times ExplainedHow triage and the Emergency Severity Index decide who is seen first, why emergency rooms get crowded and where to find timing data.