JCIPatientSafety.orgHospital Quality Directory

Acute Care Hospitals · Voluntary non-profit - Private

Northern Westchester Hospital

5 / 5

At a glance

Northern Westchester Hospital carries a 5-star CMS overall rating — above the national norm. On healthcare-associated infection measures, it performs better than the national average on 6 and worse on 0.

Healthcare-Associated Infections

lower is better · 36 measures reported

Rates of infections patients can acquire while receiving care, such as central-line and catheter-associated infections, MRSA, and C. difficile.

MeasureScoreCompared to national
Central Line Associated Bloodstream Infection (ICU + select Wards): Lower Confidence LimitSame as national
Central Line Associated Bloodstream Infection (ICU + select Wards): Upper Confidence Limit1.408Same as national
Central Line Associated Bloodstream Infection: Number of Device Days2361Same as national
Central Line Associated Bloodstream Infection (ICU + select Wards): Predicted Cases2.128Same as national
Central Line Associated Bloodstream Infection (ICU + select Wards): Observed Cases0Same as national
Central Line Associated Bloodstream Infection (ICU + select Wards)0.000Same as national
Catheter Associated Urinary Tract Infections (ICU + select Wards): Lower Confidence Limit0.117Same as national
Catheter Associated Urinary Tract Infections (ICU + select Wards): Upper Confidence Limit2.298Same as national
Catheter Associated Urinary Tract Infections (ICU + select Wards): Number of Urinary Catheter Days2924Same as national
Catheter Associated Urinary Tract Infections (ICU + select Wards): Predicted Cases2.875Same as national
Catheter Associated Urinary Tract Infections (ICU + select Wards): Observed Cases2Same as national
Catheter Associated Urinary Tract Infections (ICU + select Wards)0.696Same as national
SSI - Colon Surgery: Lower Confidence Limit0.175Same as national
SSI - Colon Surgery: Upper Confidence Limit1.875Same as national
SSI - Colon Surgery: Number of Procedures185Same as national
SSI - Colon Surgery: Predicted Cases4.355Same as national
SSI - Colon Surgery: Observed Cases3Same as national
SSI - Colon Surgery0.689Same as national
SSI - Abdominal Hysterectomy: Lower Confidence LimitSame as national
SSI - Abdominal Hysterectomy: Upper Confidence Limit1.693Same as national
SSI - Abdominal Hysterectomy: Number of Procedures259Same as national
SSI - Abdominal Hysterectomy: Predicted Cases1.769Same as national
SSI - Abdominal Hysterectomy: Observed Cases0Same as national
SSI - Abdominal Hysterectomy0.000Same as national
MRSA Bacteremia: Lower Confidence LimitSame as national
MRSA Bacteremia: Upper Confidence Limit1.854Same as national
MRSA Bacteremia: Patient Days40597Same as national
MRSA Bacteremia: Predicted Cases1.616Same as national
MRSA Bacteremia: Observed Cases0Same as national
MRSA Bacteremia0.000Same as national
Clostridium Difficile (C.Diff): Lower Confidence Limit0.004Better than national
Clostridium Difficile (C.Diff): Upper Confidence Limit0.352Better than national
Clostridium Difficile (C.Diff): Patient Days33947Better than national
Clostridium Difficile (C.Diff): Predicted Cases14.020Better than national
Clostridium Difficile (C.Diff): Observed Cases1Better than national
Clostridium Difficile (C.Diff)0.071Better than national

Complications & Deaths

lower is better · 20 measures reported

Rates of serious complications (like hip/knee replacement problems or accidental cuts during surgery) and 30-day mortality rates for common conditions.

MeasureScoreCompared to nationalSample
Rate of complications for hip/knee replacement patients2.9Same as national42
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate3.6Better than national1294
Death rate for heart attack patients9.9Same as national178
Death rate for CABG surgery patientsNot available
Death rate for COPD patients6.3Same as national71
Death rate for heart failure patients9.1Same as national335
Death rate for pneumonia patients14.5Same as national303
Death rate for stroke patients10.7Same as national124
Pressure ulcer rate0.39Same as national3736
Death rate among surgical inpatients with serious treatable complications144.56Same as national44
Iatrogenic pneumothorax rate0.15Same as national4812
In-hospital fall-associated fracture rate0.26Same as national4854
Postoperative hemorrhage or hematoma rate2.51Same as national1185
Postoperative acute kidney injury requiring dialysis rate1.92Same as national445
Postoperative respiratory failure rate8.55Same as national420
Perioperative pulmonary embolism or deep vein thrombosis rate2.88Same as national1219
Postoperative sepsis rate4.56Same as national411
Postoperative wound dehiscence rate1.65Same as national308
Abdominopelvic accidental puncture or laceration rate1.24Same as national961
CMS Medicare PSI 90: Patient safety and adverse events composite0.86Same as national

Unplanned Hospital Visits & Readmissions

lower is better · 14 measures reported

How often patients return to the hospital unexpectedly within 30 days of discharge — a marker of care quality and discharge planning.

MeasureScoreCompared to nationalSample
Hospital return days for heart attack patients13.9Not available161
Hospital return days for heart failure patients-14Not available356
Hospital return days for pneumonia patients26.6Not available300
Hybrid Hospital-Wide All-Cause Readmission Measure (HWR)14.1Same as national1985
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)11.9Same as national961
Rate of inpatient admissions for patients receiving outpatient chemotherapy11.2Same as national65
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy5.2Same as national65
Ratio of unplanned hospital visits after hospital outpatient surgery1.1Same as national873
Acute Myocardial Infarction (AMI) 30-Day Readmission Rate14Same as national161
Rate of readmission for CABGNot available
Rate of readmission for chronic obstructive pulmonary disease (COPD) patients18.5Same as national74
Heart failure (HF) 30-Day Readmission Rate18.4Same as national356
Rate of readmission after hip/knee replacement5.2Same as national34
Pneumonia (PN) 30-Day Readmission Rate16.7Same as national300

Patient Experience (HCAHPS)

higher is better · 9 measures reported

What patients say about their hospital stay — communication with nurses and doctors, responsiveness, cleanliness, pain management, and whether they would recommend the hospital.

MeasureScoreSample
Nurse communication - star rating4471
Doctor communication - star rating4471
Communication about medicines - star rating3471
Discharge information - star rating3471
Cleanliness - star rating2471
Quietness - star rating3471
Overall hospital rating - star rating4471
Recommend hospital - star rating5471
Summary star rating4471

Timely & Effective Care

higher is better (unless a wait time) · 30 measures reported

How consistently hospitals follow recommended care processes — for example, giving heart-attack patients aspirin on arrival, or the average time spent in the emergency department.

MeasureScoreSample
Emergency department volumemedium
Global Malnutrition Composite Score
Global Malnutrition Composite Score: Malnutrition Diagnosis Documented
Global Malnutrition Composite Score: Malnutrition Risk Screening
Global Malnutrition Composite Score: Nutrition Assessment
Global Malnutrition Composite Score: Nutritional Care Plan
Hospital Harm - Severe Hyperglycemia
Hospital Harm - Severe Hypoglycemia
Hospital Harm - Opioid Related Adverse Events
Healthcare workers given influenza vaccination792475
Average (median) time all patients spent in the emergency department before leaving from the visit, including psychiatric/mental health patients and patients who were transferred to another facility. A lower number of minutes is better208392
Average (median) time patients spent in the emergency department before leaving from the visit, excluding patients transferred to another facility or psychiatric care/mental health patients. A lower number of minutes is better204376
Average (median) time psychiatric/mental health patients spent in the emergency department before leaving from the visit. A lower number of minutes is better30911
Average (median) time patients spent in the emergency department before being transferred to another facility. A lower number of minutes is better
Left before being seen036175
Head CT results
Endoscopy/polyp surveillance: appropriate follow-up interval for normal colonoscopy in average risk patients10072
Improvement in Patient's Visual Function within 90 Days Following Cataract Surgery
ST-Segment Elevation Myocardial Infarction (STEMI)
Safe Use of Opioids - Concurrent Prescribing141587
Appropriate care for severe sepsis and septic shock74125
Septic Shock 3-Hour Bundle7722
Septic Shock 6-Hour Bundle
Severe Sepsis 3-Hour Bundle82125
Severe Sepsis 6-Hour Bundle9669
Discharged on Antithrombotic Therapy10078
Anticoagulation Therapy for Atrial Fibrillation/Flutter
Antithrombotic Therapy by End of Hospital Day 29859
Venous Thromboembolism Prophylaxis
Intensive Care Unit Venous Thromboembolism Prophylaxis

Maternal Health

lower is better · 4 measures reported

Measures of maternal outcomes and safe delivery practices, including severe complications during childbirth.

MeasureScoreSample
Cesarean Birth
Risk Adjusted Severe Obstetric Complications (All)
Risk Adjusted Severe Obstetric Complications (excluding blood-transfusion-only cases)
Maternal Morbidity Structural MeasureYes

Frequently asked questions

How is Northern Westchester Hospital rated?
Northern Westchester Hospital has a 5 out of 5 CMS overall star rating as of the latest CMS release.
Does Northern Westchester Hospital have emergency services?
Yes. Northern Westchester Hospital operates a 24/7 emergency department.
Where is Northern Westchester Hospital located?
Northern Westchester Hospital is located at 400 East Main Street, Mount Kisco, NY 10549.
What type of hospital is Northern Westchester Hospital?
Northern Westchester Hospital is classified by CMS as a Acute Care Hospitals facility (Voluntary non-profit - Private).

Data as of 2026-06-14. Source: CMS Provider Data Catalog. This is public data provided for informational purposes only and is not medical advice. See our methodology and editorial policy.

Report an issue with this page