Acute Care Hospitals · Voluntary non-profit - Private
Greenwich Hospital Association -
- 5 Perryridge Rd, Greenwich, CT 06830
- (203) 863-3000
- Acute Care Hospitals
- Emergency services available 24/7
At a glance
Greenwich Hospital Association - 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.
| Measure | Score | Compared to national |
|---|---|---|
| Central Line Associated Bloodstream Infection (ICU + select Wards): Lower Confidence Limit | 0.125 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Upper Confidence Limit | 2.466 | Same as national |
| Central Line Associated Bloodstream Infection: Number of Device Days | 3030 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Predicted Cases | 2.680 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Observed Cases | 2 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | 0.746 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Lower Confidence Limit | 0.012 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Upper Confidence Limit | 1.180 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Number of Urinary Catheter Days | 4087 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Predicted Cases | 4.180 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Observed Cases | 1 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | 0.239 | Same as national |
| SSI - Colon Surgery: Lower Confidence Limit | 0.129 | Same as national |
| SSI - Colon Surgery: Upper Confidence Limit | 2.551 | Same as national |
| SSI - Colon Surgery: Number of Procedures | 106 | Same as national |
| SSI - Colon Surgery: Predicted Cases | 2.590 | Same as national |
| SSI - Colon Surgery: Observed Cases | 2 | Same as national |
| SSI - Colon Surgery | 0.772 | 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 | 82 | Not available |
| SSI - Abdominal Hysterectomy: Predicted Cases | 0.531 | 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 | 1.255 | Same as national |
| MRSA Bacteremia: Patient Days | 56600 | Same as national |
| MRSA Bacteremia: Predicted Cases | 2.387 | 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 | 0.138 | Better than national |
| Clostridium Difficile (C.Diff): Upper Confidence Limit | 0.564 | Better than national |
| Clostridium Difficile (C.Diff): Patient Days | 48620 | Better than national |
| Clostridium Difficile (C.Diff): Predicted Cases | 26.919 | Better than national |
| Clostridium Difficile (C.Diff): Observed Cases | 8 | Better than national |
| Clostridium Difficile (C.Diff) | 0.297 | 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 | 2.5 | Same as national | 236 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate | 3.1 | Better than national | 1478 |
| Death rate for heart attack patients | 10.6 | Same as national | 113 |
| Death rate for CABG surgery patients | — | Not available | — |
| Death rate for COPD patients | 7.3 | Same as national | 71 |
| Death rate for heart failure patients | 8.6 | Better than national | 409 |
| Death rate for pneumonia patients | 14 | Better than national | 639 |
| Death rate for stroke patients | 10.9 | Same as national | 182 |
| Pressure ulcer rate | 0.66 | Same as national | 5241 |
| Death rate among surgical inpatients with serious treatable complications | 162.00 | Same as national | 52 |
| Iatrogenic pneumothorax rate | 0.15 | Same as national | 5730 |
| In-hospital fall-associated fracture rate | 0.24 | Same as national | 5848 |
| Postoperative hemorrhage or hematoma rate | 2.52 | Same as national | 829 |
| Postoperative acute kidney injury requiring dialysis rate | 1.57 | Same as national | 314 |
| Postoperative respiratory failure rate | 7.04 | Same as national | 319 |
| Perioperative pulmonary embolism or deep vein thrombosis rate | 4.57 | Same as national | 930 |
| Postoperative sepsis rate | 3.95 | Same as national | 296 |
| Postoperative wound dehiscence rate | 1.62 | Same as national | 293 |
| Abdominopelvic accidental puncture or laceration rate | 0.83 | Same as national | 889 |
| CMS Medicare PSI 90: Patient safety and adverse events composite | 0.92 | 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 | 70.9 | Not available | 59 |
| Hospital return days for heart failure patients | 36.2 | Not available | 454 |
| Hospital return days for pneumonia patients | 22.5 | Not available | 623 |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 14.7 | Same as national | 2508 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) | 11.4 | Same as national | 1391 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapy | 10.5 | Same as national | 262 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy | 4.3 | Same as national | 262 |
| Ratio of unplanned hospital visits after hospital outpatient surgery | 0.8 | Same as national | 648 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission Rate | 15.6 | Same as national | 59 |
| Rate of readmission for CABG | — | Not available | — |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patients | 18.3 | Same as national | 75 |
| Heart failure (HF) 30-Day Readmission Rate | 20 | Same as national | 454 |
| Rate of readmission after hip/knee replacement | 3.7 | Same as national | 157 |
| Pneumonia (PN) 30-Day Readmission Rate | 16.7 | Same as national | 623 |
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 | 4 | 420 |
| Doctor communication - star rating | 3 | 420 |
| Communication about medicines - star rating | 2 | 420 |
| Discharge information - star rating | 3 | 420 |
| Cleanliness - star rating | 4 | 420 |
| Quietness - star rating | 3 | 420 |
| Overall hospital rating - star rating | 4 | 420 |
| Recommend hospital - star rating | 4 | 420 |
| Summary star rating | 3 | 420 |
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 | 81 | 3124 |
| 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 | 178 | 382 |
| 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 | 177 | 361 |
| Average (median) time psychiatric/mental health patients spent in the emergency department before leaving from the visit. A lower number of minutes is better | 249 | 19 |
| 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 | 1 | 42417 |
| Head CT results | — | — |
| Endoscopy/polyp surveillance: appropriate follow-up interval for normal colonoscopy in average risk patients | 92 | 72 |
| Improvement in Patient's Visual Function within 90 Days Following Cataract Surgery | — | — |
| ST-Segment Elevation Myocardial Infarction (STEMI) | — | — |
| Safe Use of Opioids - Concurrent Prescribing | 18 | 1650 |
| Appropriate care for severe sepsis and septic shock | 58 | 112 |
| Septic Shock 3-Hour Bundle | 54 | 26 |
| Septic Shock 6-Hour Bundle | 100 | 12 |
| Severe Sepsis 3-Hour Bundle | 74 | 112 |
| Severe Sepsis 6-Hour Bundle | 92 | 52 |
| Discharged on Antithrombotic Therapy | 99 | 104 |
| Anticoagulation Therapy for Atrial Fibrillation/Flutter | — | — |
| Antithrombotic Therapy by End of Hospital Day 2 | 96 | 93 |
| Venous Thromboembolism Prophylaxis | — | — |
| Intensive Care Unit Venous Thromboembolism Prophylaxis | 100 | 590 |
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 Greenwich Hospital Association - rated?
- Greenwich Hospital Association - has a 5 out of 5 CMS overall star rating as of the latest CMS release.
- Does Greenwich Hospital Association - have emergency services?
- Yes. Greenwich Hospital Association - operates a 24/7 emergency department.
- Where is Greenwich Hospital Association - located?
- Greenwich Hospital Association - is located at 5 Perryridge Rd, Greenwich, CT 06830.
- What type of hospital is Greenwich Hospital Association -?
- Greenwich Hospital Association - is classified by CMS as a Acute Care Hospitals facility (Voluntary non-profit - Private).
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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.