Acute Care Hospitals · Voluntary non-profit - Church
Mercyone Waterloo Medical Center
- 3421 West Ninth Street, Waterloo, IA 50702
- (319) 272-8000
- Acute Care Hospitals
- Emergency services available 24/7
At a glance
Mercyone Waterloo Medical Center carries a 4-star CMS overall rating — above 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 | 0.024 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Upper Confidence Limit | 2.414 | Same as national |
| Central Line Associated Bloodstream Infection: Number of Device Days | 2289 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Predicted Cases | 2.043 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Observed Cases | 1 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | 0.489 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Lower Confidence Limit | 0.010 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Upper Confidence Limit | 0.937 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Number of Urinary Catheter Days | 5107 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Predicted Cases | 5.266 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Observed Cases | 1 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | 0.190 | Better than national |
| SSI - Colon Surgery: Lower Confidence Limit | 0.472 | Same as national |
| SSI - Colon Surgery: Upper Confidence Limit | 5.049 | Same as national |
| SSI - Colon Surgery: Number of Procedures | 60 | Same as national |
| SSI - Colon Surgery: Predicted Cases | 1.617 | Same as national |
| SSI - Colon Surgery: Observed Cases | 3 | Same as national |
| SSI - Colon Surgery | 1.855 | 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 | 9 | Not available |
| SSI - Abdominal Hysterectomy: Predicted Cases | 0.083 | Not available |
| SSI - Abdominal Hysterectomy: Observed Cases | 0 | Not available |
| SSI - Abdominal Hysterectomy | — | Not available |
| MRSA Bacteremia: Lower Confidence Limit | 0.023 | Same as national |
| MRSA Bacteremia: Upper Confidence Limit | 2.257 | Same as national |
| MRSA Bacteremia: Patient Days | 32251 | Same as national |
| MRSA Bacteremia: Predicted Cases | 2.185 | Same as national |
| MRSA Bacteremia: Observed Cases | 1 | Same as national |
| MRSA Bacteremia | 0.458 | Same as national |
| Clostridium Difficile (C.Diff): Lower Confidence Limit | 0.220 | Better than national |
| Clostridium Difficile (C.Diff): Upper Confidence Limit | 0.828 | Better than national |
| Clostridium Difficile (C.Diff): Patient Days | 28641 | Better than national |
| Clostridium Difficile (C.Diff): Predicted Cases | 19.957 | Better than national |
| Clostridium Difficile (C.Diff): Observed Cases | 9 | Better than national |
| Clostridium Difficile (C.Diff) | 0.451 | 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 | 3.4 | Same as national | 173 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate | 4.6 | Same as national | 669 |
| Death rate for heart attack patients | 11.9 | Same as national | 88 |
| Death rate for CABG surgery patients | — | Not available | — |
| Death rate for COPD patients | 10.2 | Same as national | 51 |
| Death rate for heart failure patients | 11.5 | Same as national | 134 |
| Death rate for pneumonia patients | 17.1 | Same as national | 146 |
| Death rate for stroke patients | 13.5 | Same as national | 65 |
| Pressure ulcer rate | 0.32 | Same as national | 1800 |
| Death rate among surgical inpatients with serious treatable complications | 176.67 | Same as national | 30 |
| Iatrogenic pneumothorax rate | 0.25 | Same as national | 2530 |
| In-hospital fall-associated fracture rate | 0.25 | Same as national | 2477 |
| Postoperative hemorrhage or hematoma rate | 2.39 | Same as national | 652 |
| Postoperative acute kidney injury requiring dialysis rate | 1.60 | Same as national | 278 |
| Postoperative respiratory failure rate | 11.79 | Same as national | 279 |
| Perioperative pulmonary embolism or deep vein thrombosis rate | 3.18 | Same as national | 660 |
| Postoperative sepsis rate | 5.75 | Same as national | 257 |
| Postoperative wound dehiscence rate | 1.69 | Same as national | 97 |
| Abdominopelvic accidental puncture or laceration rate | 1.26 | Same as national | 300 |
| CMS Medicare PSI 90: Patient safety and adverse events composite | 0.98 | 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 | -20.9 | Not available | 117 |
| Hospital return days for heart failure patients | -31.9 | Not available | 160 |
| Hospital return days for pneumonia patients | 6 | Not available | 158 |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 13.9 | Same as national | 982 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) | 13 | Same as national | 766 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapy | 9.2 | Same as national | 138 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy | 5.8 | Same as national | 138 |
| Ratio of unplanned hospital visits after hospital outpatient surgery | 1 | Same as national | 447 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission Rate | 12.6 | Same as national | 117 |
| Rate of readmission for CABG | — | Not available | — |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patients | 16.7 | Same as national | 57 |
| Heart failure (HF) 30-Day Readmission Rate | 17.9 | Same as national | 160 |
| Rate of readmission after hip/knee replacement | 4.2 | Same as national | 170 |
| Pneumonia (PN) 30-Day Readmission Rate | 14.7 | Same as national | 158 |
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 | 3 | 709 |
| Doctor communication - star rating | 3 | 709 |
| Communication about medicines - star rating | 2 | 709 |
| Discharge information - star rating | 4 | 709 |
| Cleanliness - star rating | 3 | 709 |
| Quietness - star rating | 3 | 709 |
| Overall hospital rating - star rating | 3 | 709 |
| Recommend hospital - star rating | 3 | 709 |
| Summary star rating | 3 | 709 |
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 | low | — |
| 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 | 78 | 2697 |
| 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 | 232 | 404 |
| 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 | 226 | 364 |
| Average (median) time psychiatric/mental health patients spent in the emergency department before leaving from the visit. A lower number of minutes is better | 258 | 26 |
| Average (median) time patients spent in the emergency department before being transferred to another facility. A lower number of minutes is better | 374 | 15 |
| Left before being seen | 10 | 15611 |
| Head CT results | 64 | 11 |
| Endoscopy/polyp surveillance: appropriate follow-up interval for normal colonoscopy in average risk patients | 95 | 93 |
| Improvement in Patient's Visual Function within 90 Days Following Cataract Surgery | — | — |
| ST-Segment Elevation Myocardial Infarction (STEMI) | — | — |
| Safe Use of Opioids - Concurrent Prescribing | 12 | 1157 |
| Appropriate care for severe sepsis and septic shock | 57 | 161 |
| Septic Shock 3-Hour Bundle | 76 | 25 |
| Septic Shock 6-Hour Bundle | — | — |
| Severe Sepsis 3-Hour Bundle | 73 | 161 |
| Severe Sepsis 6-Hour Bundle | 79 | 91 |
| Discharged on Antithrombotic Therapy | 97 | 58 |
| Anticoagulation Therapy for Atrial Fibrillation/Flutter | — | — |
| Antithrombotic Therapy by End of Hospital Day 2 | 92 | 60 |
| 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 Mercyone Waterloo Medical Center rated?
- Mercyone Waterloo Medical Center has a 4 out of 5 CMS overall star rating as of the latest CMS release.
- Does Mercyone Waterloo Medical Center have emergency services?
- Yes. Mercyone Waterloo Medical Center operates a 24/7 emergency department.
- Where is Mercyone Waterloo Medical Center located?
- Mercyone Waterloo Medical Center is located at 3421 West Ninth Street, Waterloo, IA 50702.
- What type of hospital is Mercyone Waterloo Medical Center?
- Mercyone Waterloo Medical Center is classified by CMS as a Acute Care Hospitals facility (Voluntary non-profit - Church).
Compare with nearby hospitals
- Compare side-by-side →Not rated overall
Independence, IA
- Compare side-by-side →Not rated overall
Audubon County Memorial Hospital
Audubon, IA
- Compare side-by-side →Not rated overall
Adair County Memorial Hospital
Greenfield, IA
- Compare side-by-side →Not rated overall
Avera Merrill Pioneer Hospital
Rock Rapids, IA
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.