JCIPatientSafety.orgHospital Quality Directory

Acute Care Hospitals · Voluntary non-profit - Private

Mercy Hospital of Buffalo

2 / 5

At a glance

Mercy Hospital of Buffalo carries a 2-star CMS overall rating — below the national norm. On healthcare-associated infection measures, it performs better than the national average on 18 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 Limit0.005Better than national
Central Line Associated Bloodstream Infection (ICU + select Wards): Upper Confidence Limit0.530Better than national
Central Line Associated Bloodstream Infection: Number of Device Days8893Better than national
Central Line Associated Bloodstream Infection (ICU + select Wards): Predicted Cases9.308Better than national
Central Line Associated Bloodstream Infection (ICU + select Wards): Observed Cases1Better than national
Central Line Associated Bloodstream Infection (ICU + select Wards)0.107Better than national
Catheter Associated Urinary Tract Infections (ICU + select Wards): Lower Confidence Limit0.003Better than national
Catheter Associated Urinary Tract Infections (ICU + select Wards): Upper Confidence Limit0.262Better than national
Catheter Associated Urinary Tract Infections (ICU + select Wards): Number of Urinary Catheter Days14870Better than national
Catheter Associated Urinary Tract Infections (ICU + select Wards): Predicted Cases18.809Better than national
Catheter Associated Urinary Tract Infections (ICU + select Wards): Observed Cases1Better than national
Catheter Associated Urinary Tract Infections (ICU + select Wards)0.053Better than national
SSI - Colon Surgery: Lower Confidence Limit0.065Same as national
SSI - Colon Surgery: Upper Confidence Limit1.280Same as national
SSI - Colon Surgery: Number of Procedures196Same as national
SSI - Colon Surgery: Predicted Cases5.162Same as national
SSI - Colon Surgery: Observed Cases2Same as national
SSI - Colon Surgery0.387Same as national
SSI - Abdominal Hysterectomy: Lower Confidence LimitNot available
SSI - Abdominal Hysterectomy: Upper Confidence LimitNot available
SSI - Abdominal Hysterectomy: Number of Procedures79Not available
SSI - Abdominal Hysterectomy: Predicted Cases0.645Not available
SSI - Abdominal Hysterectomy: Observed Cases0Not available
SSI - Abdominal HysterectomyNot available
MRSA Bacteremia: Lower Confidence Limit0.178Same as national
MRSA Bacteremia: Upper Confidence Limit1.348Same as national
MRSA Bacteremia: Patient Days97372Same as national
MRSA Bacteremia: Predicted Cases7.157Same as national
MRSA Bacteremia: Observed Cases4Same as national
MRSA Bacteremia0.559Same as national
Clostridium Difficile (C.Diff): Lower Confidence Limit0.200Better than national
Clostridium Difficile (C.Diff): Upper Confidence Limit0.556Better than national
Clostridium Difficile (C.Diff): Patient Days91788Better than national
Clostridium Difficile (C.Diff): Predicted Cases43.514Better than national
Clostridium Difficile (C.Diff): Observed Cases15Better than national
Clostridium Difficile (C.Diff)0.345Better 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 patientsNot available
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate4.1Same as national1228
Death rate for heart attack patients14.4Same as national239
Death rate for CABG surgery patients2.7Same as national94
Death rate for COPD patients11.7Same as national110
Death rate for heart failure patients14.8Same as national302
Death rate for pneumonia patients17.8Same as national264
Death rate for stroke patients14.7Same as national178
Pressure ulcer rate0.56Same as national4795
Death rate among surgical inpatients with serious treatable complications189.31Same as national71
Iatrogenic pneumothorax rate0.20Same as national5641
In-hospital fall-associated fracture rate0.26Same as national5894
Postoperative hemorrhage or hematoma rate3.37Same as national1140
Postoperative acute kidney injury requiring dialysis rate1.59Same as national565
Postoperative respiratory failure rate9.50Same as national573
Perioperative pulmonary embolism or deep vein thrombosis rate4.23Same as national1215
Postoperative sepsis rate5.89Same as national534
Postoperative wound dehiscence rate2.57Same as national255
Abdominopelvic accidental puncture or laceration rate1.08Same as national1086
CMS Medicare PSI 90: Patient safety and adverse events composite1.05Same 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 patients-24Not available236
Hospital return days for heart failure patients28Not available331
Hospital return days for pneumonia patients58Not available260
Hybrid Hospital-Wide All-Cause Readmission Measure (HWR)14.8Same as national1961
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Not available
Rate of inpatient admissions for patients receiving outpatient chemotherapyNot available
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyNot available
Ratio of unplanned hospital visits after hospital outpatient surgery1Same as national313
Acute Myocardial Infarction (AMI) 30-Day Readmission Rate13.5Same as national236
Rate of readmission for CABG10.6Same as national91
Rate of readmission for chronic obstructive pulmonary disease (COPD) patients18.6Same as national105
Heart failure (HF) 30-Day Readmission Rate21.4Same as national331
Rate of readmission after hip/knee replacementNot available
Pneumonia (PN) 30-Day Readmission Rate17.8Same as national260

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 rating32755
Doctor communication - star rating32755
Communication about medicines - star rating22755
Discharge information - star rating32755
Cleanliness - star rating22755
Quietness - star rating22755
Overall hospital rating - star rating32755
Recommend hospital - star rating32755
Summary star rating32755

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 volumevery high
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 Hypoglycemia15373
Hospital Harm - Opioid Related Adverse Events
Healthcare workers given influenza vaccination564392
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 better309378
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 better309365
Average (median) time psychiatric/mental health patients spent in the emergency department before leaving from the visit. A lower number of minutes is better
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 seen376177
Head CT results
Endoscopy/polyp surveillance: appropriate follow-up interval for normal colonoscopy in average risk patients
Improvement in Patient's Visual Function within 90 Days Following Cataract Surgery
ST-Segment Elevation Myocardial Infarction (STEMI)5838
Safe Use of Opioids - Concurrent Prescribing154595
Appropriate care for severe sepsis and septic shock38183
Septic Shock 3-Hour Bundle4626
Septic Shock 6-Hour Bundle
Severe Sepsis 3-Hour Bundle48184
Severe Sepsis 6-Hour Bundle9143
Discharged on Antithrombotic Therapy
Anticoagulation Therapy for Atrial Fibrillation/Flutter
Antithrombotic Therapy by End of Hospital Day 293380
Venous Thromboembolism Prophylaxis879891
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 Mercy Hospital of Buffalo rated?
Mercy Hospital of Buffalo has a 2 out of 5 CMS overall star rating as of the latest CMS release.
Does Mercy Hospital of Buffalo have emergency services?
Yes. Mercy Hospital of Buffalo operates a 24/7 emergency department.
Where is Mercy Hospital of Buffalo located?
Mercy Hospital of Buffalo is located at 565 Abbott Road, Buffalo, NY 14220.
What type of hospital is Mercy Hospital of Buffalo?
Mercy Hospital of Buffalo 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.

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