Acute Care Hospitals · Voluntary non-profit - Church
Trinity Health Ann Arbor Hospital
- 5301 E Huron River Dr, Ann Arbor, MI 48106
- (734) 712-3456
- Acute Care Hospitals
- Emergency services available 24/7
At a glance
Trinity Health Ann Arbor Hospital 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 | 0.456 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Upper Confidence Limit | 1.600 | Same as national |
| Central Line Associated Bloodstream Infection: Number of Device Days | 10220 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Predicted Cases | 11.144 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Observed Cases | 10 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | 0.897 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Lower Confidence Limit | 0.497 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Upper Confidence Limit | 1.488 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Number of Urinary Catheter Days | 10290 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Predicted Cases | 14.562 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Observed Cases | 13 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | 0.893 | Same as national |
| SSI - Colon Surgery: Lower Confidence Limit | 0.857 | Same as national |
| SSI - Colon Surgery: Upper Confidence Limit | 2.173 | Same as national |
| SSI - Colon Surgery: Number of Procedures | 519 | Same as national |
| SSI - Colon Surgery: Predicted Cases | 12.838 | Same as national |
| SSI - Colon Surgery: Observed Cases | 18 | Same as national |
| SSI - Colon Surgery | 1.402 | Same as national |
| SSI - Abdominal Hysterectomy: Lower Confidence Limit | 0.430 | Same as national |
| SSI - Abdominal Hysterectomy: Upper Confidence Limit | 4.605 | Same as national |
| SSI - Abdominal Hysterectomy: Number of Procedures | 218 | Same as national |
| SSI - Abdominal Hysterectomy: Predicted Cases | 1.773 | Same as national |
| SSI - Abdominal Hysterectomy: Observed Cases | 3 | Same as national |
| SSI - Abdominal Hysterectomy | 1.692 | Same as national |
| MRSA Bacteremia: Lower Confidence Limit | 0.087 | Better than national |
| MRSA Bacteremia: Upper Confidence Limit | 0.927 | Better than national |
| MRSA Bacteremia: Patient Days | 157023 | Better than national |
| MRSA Bacteremia: Predicted Cases | 8.812 | Better than national |
| MRSA Bacteremia: Observed Cases | 3 | Better than national |
| MRSA Bacteremia | 0.340 | Better than national |
| Clostridium Difficile (C.Diff): Lower Confidence Limit | 0.326 | Better than national |
| Clostridium Difficile (C.Diff): Upper Confidence Limit | 0.640 | Better than national |
| Clostridium Difficile (C.Diff): Patient Days | 150666 | Better than national |
| Clostridium Difficile (C.Diff): Predicted Cases | 73.365 | Better than national |
| Clostridium Difficile (C.Diff): Observed Cases | 34 | Better than national |
| Clostridium Difficile (C.Diff) | 0.463 | 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 | 3.1 | Same as national | 615 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate | 3.2 | Better than national | 3433 |
| Death rate for heart attack patients | 9.9 | Better than national | 379 |
| Death rate for CABG surgery patients | 1.6 | Same as national | 152 |
| Death rate for COPD patients | 7.6 | Same as national | 270 |
| Death rate for heart failure patients | 9 | Better than national | 944 |
| Death rate for pneumonia patients | 12.7 | Better than national | 749 |
| Death rate for stroke patients | 11.2 | Same as national | 403 |
| Pressure ulcer rate | 0.49 | Same as national | 11789 |
| Death rate among surgical inpatients with serious treatable complications | 201.35 | Same as national | 139 |
| Iatrogenic pneumothorax rate | 0.22 | Same as national | 14819 |
| In-hospital fall-associated fracture rate | 0.36 | Same as national | 15270 |
| Postoperative hemorrhage or hematoma rate | 3.07 | Same as national | 3683 |
| Postoperative acute kidney injury requiring dialysis rate | 0.88 | Same as national | 1818 |
| Postoperative respiratory failure rate | 5.87 | Same as national | 1847 |
| Perioperative pulmonary embolism or deep vein thrombosis rate | 2.55 | Same as national | 3858 |
| Postoperative sepsis rate | 5.29 | Same as national | 1798 |
| Postoperative wound dehiscence rate | 2.25 | Same as national | 666 |
| Abdominopelvic accidental puncture or laceration rate | 1.91 | Worse than national | 2467 |
| CMS Medicare PSI 90: Patient safety and adverse events composite | 0.85 | 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 | -3.8 | Not available | 443 |
| Hospital return days for heart failure patients | 5.5 | Not available | 1111 |
| Hospital return days for pneumonia patients | 13 | Not available | 790 |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 15.5 | Same as national | 5706 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) | 14.3 | Same as national | 564 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapy | 11.9 | Same as national | 269 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy | 4.7 | Same as national | 269 |
| Ratio of unplanned hospital visits after hospital outpatient surgery | 0.9 | Same as national | 1034 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission Rate | 13.7 | Same as national | 443 |
| Rate of readmission for CABG | 9.1 | Same as national | 151 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patients | 17.8 | Same as national | 315 |
| Heart failure (HF) 30-Day Readmission Rate | 19.3 | Same as national | 1111 |
| Rate of readmission after hip/knee replacement | 4.8 | Same as national | 662 |
| Pneumonia (PN) 30-Day Readmission Rate | 17.3 | Same as national | 790 |
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 | 573 |
| Doctor communication - star rating | 3 | 573 |
| Communication about medicines - star rating | 2 | 573 |
| Discharge information - star rating | 4 | 573 |
| Cleanliness - star rating | 1 | 573 |
| Quietness - star rating | 3 | 573 |
| Overall hospital rating - star rating | 4 | 573 |
| Recommend hospital - star rating | 5 | 573 |
| Summary star rating | 3 | 573 |
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 | very 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 | 8 | 46846 |
| Hospital Harm - Severe Hypoglycemia | 2 | 8398 |
| Hospital Harm - Opioid Related Adverse Events | — | — |
| Healthcare workers given influenza vaccination | 64 | 6315 |
| 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 | 234 | 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 | 234 | 381 |
| Average (median) time psychiatric/mental health patients spent in the emergency department before leaving from the visit. A lower number of minutes is better | 302 | 24 |
| 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 | 2 | 85525 |
| Head CT results | — | — |
| Endoscopy/polyp surveillance: appropriate follow-up interval for normal colonoscopy in average risk patients | 98 | 125 |
| Improvement in Patient's Visual Function within 90 Days Following Cataract Surgery | — | — |
| ST-Segment Elevation Myocardial Infarction (STEMI) | 43 | 35 |
| Safe Use of Opioids - Concurrent Prescribing | 13 | 9463 |
| Appropriate care for severe sepsis and septic shock | 43 | 107 |
| Septic Shock 3-Hour Bundle | 64 | 33 |
| Septic Shock 6-Hour Bundle | 77 | 13 |
| Severe Sepsis 3-Hour Bundle | 66 | 109 |
| Severe Sepsis 6-Hour Bundle | 87 | 52 |
| Discharged on Antithrombotic Therapy | — | — |
| Anticoagulation Therapy for Atrial Fibrillation/Flutter | — | — |
| Antithrombotic Therapy by End of Hospital Day 2 | — | — |
| Venous Thromboembolism Prophylaxis | 84 | 17307 |
| 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 Trinity Health Ann Arbor Hospital rated?
- Trinity Health Ann Arbor Hospital has a 4 out of 5 CMS overall star rating as of the latest CMS release.
- Does Trinity Health Ann Arbor Hospital have emergency services?
- Yes. Trinity Health Ann Arbor Hospital operates a 24/7 emergency department.
- Where is Trinity Health Ann Arbor Hospital located?
- Trinity Health Ann Arbor Hospital is located at 5301 E Huron River Dr, Ann Arbor, MI 48106.
- What type of hospital is Trinity Health Ann Arbor Hospital?
- Trinity Health Ann Arbor 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.