Acute Care Hospitals · Voluntary non-profit - Church
Saint Mary's Hospital
- 56 Franklin Street, Waterbury, CT 06706
- (203) 709-6020
- Acute Care Hospitals
- Emergency services available 24/7
At a glance
Saint Mary's Hospital carries a 3-star CMS overall rating — in line with the national norm. On healthcare-associated infection measures, it performs better than the national average on 12 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.
| Measure | Score | Compared to national |
|---|---|---|
| Central Line Associated Bloodstream Infection (ICU + select Wards): Lower Confidence Limit | — | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Upper Confidence Limit | 0.784 | Better than national |
| Central Line Associated Bloodstream Infection: Number of Device Days | 4235 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Predicted Cases | 3.819 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Observed Cases | 0 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | 0.000 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Lower Confidence Limit | 0.151 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Upper Confidence Limit | 1.621 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Number of Urinary Catheter Days | 4946 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Predicted Cases | 5.037 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Observed Cases | 3 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | 0.596 | Same as national |
| SSI - Colon Surgery: Lower Confidence Limit | 0.155 | Same as national |
| SSI - Colon Surgery: Upper Confidence Limit | 3.055 | Same as national |
| SSI - Colon Surgery: Number of Procedures | 80 | Same as national |
| SSI - Colon Surgery: Predicted Cases | 2.163 | Same as national |
| SSI - Colon Surgery: Observed Cases | 2 | Same as national |
| SSI - Colon Surgery | 0.925 | Same as national |
| SSI - Abdominal Hysterectomy: Lower Confidence Limit | — | Not available |
| SSI - Abdominal Hysterectomy: Upper Confidence Limit | — | Not available |
| SSI - Abdominal Hysterectomy: Number of Procedures | 94 | Not available |
| SSI - Abdominal Hysterectomy: Predicted Cases | 0.773 | Not available |
| SSI - Abdominal Hysterectomy: Observed Cases | 0 | Not available |
| SSI - Abdominal Hysterectomy | — | Not available |
| MRSA Bacteremia: Lower Confidence Limit | — | Same as national |
| MRSA Bacteremia: Upper Confidence Limit | 1.723 | Same as national |
| MRSA Bacteremia: Patient Days | 35811 | Same as national |
| MRSA Bacteremia: Predicted Cases | 1.739 | Same as national |
| MRSA Bacteremia: Observed Cases | 0 | Same as national |
| MRSA Bacteremia | 0.000 | Same as national |
| Clostridium Difficile (C.Diff): Lower Confidence Limit | 0.055 | Better than national |
| Clostridium Difficile (C.Diff): Upper Confidence Limit | 0.589 | Better than national |
| Clostridium Difficile (C.Diff): Patient Days | 34134 | Better than national |
| Clostridium Difficile (C.Diff): Predicted Cases | 13.866 | Better than national |
| Clostridium Difficile (C.Diff): Observed Cases | 3 | Better than national |
| Clostridium Difficile (C.Diff) | 0.216 | Better 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.
| Measure | Score | Compared to national | Sample |
|---|---|---|---|
| Rate of complications for hip/knee replacement patients | — | Not available | — |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate | 4.4 | Same as national | 767 |
| Death rate for heart attack patients | 11.1 | Same as national | 88 |
| Death rate for CABG surgery patients | — | Not available | — |
| Death rate for COPD patients | 8.4 | Same as national | 111 |
| Death rate for heart failure patients | 14 | Same as national | 260 |
| Death rate for pneumonia patients | 16.9 | Same as national | 279 |
| Death rate for stroke patients | 14.1 | Same as national | 109 |
| Pressure ulcer rate | 0.27 | Same as national | 2628 |
| Death rate among surgical inpatients with serious treatable complications | 189.46 | Same as national | 37 |
| Iatrogenic pneumothorax rate | 0.17 | Same as national | 3409 |
| In-hospital fall-associated fracture rate | 0.36 | Same as national | 3416 |
| Postoperative hemorrhage or hematoma rate | 2.57 | Same as national | 594 |
| Postoperative acute kidney injury requiring dialysis rate | 1.60 | Same as national | 212 |
| Postoperative respiratory failure rate | 13.65 | Same as national | 204 |
| Perioperative pulmonary embolism or deep vein thrombosis rate | 2.74 | Same as national | 631 |
| Postoperative sepsis rate | 5.42 | Same as national | 213 |
| Postoperative wound dehiscence rate | 1.68 | Same as national | 146 |
| Abdominopelvic accidental puncture or laceration rate | 1.46 | Same as national | 591 |
| CMS Medicare PSI 90: Patient safety and adverse events composite | 1.00 | Same 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.
| Measure | Score | Compared to national | Sample |
|---|---|---|---|
| Hospital return days for heart attack patients | -7.3 | Not available | 75 |
| Hospital return days for heart failure patients | -11.5 | Not available | 295 |
| Hospital return days for pneumonia patients | 6.4 | Not available | 301 |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 15.5 | Same as national | 1233 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) | 13.4 | Same as national | 1108 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapy | 11.8 | Same as national | 89 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy | 5.3 | Same as national | 89 |
| Ratio of unplanned hospital visits after hospital outpatient surgery | 1 | Same as national | 328 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission Rate | 13.3 | Same as national | 75 |
| Rate of readmission for CABG | — | Not available | — |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patients | 16.3 | Same as national | 121 |
| Heart failure (HF) 30-Day Readmission Rate | 19.7 | Same as national | 295 |
| Rate of readmission after hip/knee replacement | — | Not available | — |
| Pneumonia (PN) 30-Day Readmission Rate | 15.4 | Same as national | 301 |
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.
| Measure | Score | Sample |
|---|---|---|
| Nurse communication - star rating | 2 | 478 |
| Doctor communication - star rating | 3 | 478 |
| Communication about medicines - star rating | 2 | 478 |
| Discharge information - star rating | 3 | 478 |
| Cleanliness - star rating | 3 | 478 |
| Quietness - star rating | 1 | 478 |
| Overall hospital rating - star rating | 2 | 478 |
| Recommend hospital - star rating | 2 | 478 |
| Summary star rating | 2 | 478 |
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.
| Measure | Score | Sample |
|---|---|---|
| Emergency department volume | 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 Hypoglycemia | — | — |
| Hospital Harm - Opioid Related Adverse Events | — | — |
| Healthcare workers given influenza vaccination | 27 | 2250 |
| 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 better | 274 | 406 |
| 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 better | 267 | 375 |
| Average (median) time psychiatric/mental health patients spent in the emergency department before leaving from the visit. A lower number of minutes is better | 639 | 30 |
| 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 seen | 5 | 57401 |
| Head CT results | 100 | 18 |
| Endoscopy/polyp surveillance: appropriate follow-up interval for normal colonoscopy in average risk patients | 100 | 96 |
| Improvement in Patient's Visual Function within 90 Days Following Cataract Surgery | — | — |
| ST-Segment Elevation Myocardial Infarction (STEMI) | — | — |
| Safe Use of Opioids - Concurrent Prescribing | 14 | 2140 |
| Appropriate care for severe sepsis and septic shock | 74 | 138 |
| Septic Shock 3-Hour Bundle | 87 | 45 |
| Septic Shock 6-Hour Bundle | 97 | 33 |
| Severe Sepsis 3-Hour Bundle | 82 | 138 |
| Severe Sepsis 6-Hour Bundle | 99 | 75 |
| Discharged on Antithrombotic Therapy | 96 | 137 |
| Anticoagulation Therapy for Atrial Fibrillation/Flutter | 59 | 27 |
| Antithrombotic Therapy by End of Hospital Day 2 | 90 | 131 |
| 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.
| Measure | Score | Sample |
|---|---|---|
| Cesarean Birth | — | — |
| Risk Adjusted Severe Obstetric Complications (All) | — | — |
| Risk Adjusted Severe Obstetric Complications (excluding blood-transfusion-only cases) | — | — |
| Maternal Morbidity Structural Measure | Yes | — |
Frequently asked questions
- How is Saint Mary's Hospital rated?
- Saint Mary's Hospital has a 3 out of 5 CMS overall star rating as of the latest CMS release.
- Does Saint Mary's Hospital have emergency services?
- Yes. Saint Mary's Hospital operates a 24/7 emergency department.
- Where is Saint Mary's Hospital located?
- Saint Mary's Hospital is located at 56 Franklin Street, Waterbury, CT 06706.
- What type of hospital is Saint Mary's Hospital?
- Saint Mary's Hospital is classified by CMS as a Acute Care Hospitals facility (Voluntary non-profit - Church).
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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.