Acute care hospital in Ann Arbor, MI
University of Michigan Health System
1500 E Medical Center Drive, Spc 5474, Ann Arbor, MI 48109 · (734) 764-1505
CMS overall hospital star rating
- Patient survey★★★★★4
Source: Centers for Medicare & Medicaid Services (CMS), Medicare Care Compare. We refresh our information from this source. About our data
University of Michigan Health System at a glance
University of Michigan Health System is a non-profit acute care hospital in Ann Arbor, Michigan (Washtenaw County).
CMS gives it 4 out of 5 stars on its overall hospital star rating, better than the Michigan average of 3.1.
82% of surveyed patients said they would definitely recommend the hospital (national average 71.2%).
Emergency patients sent home typically spent 345 minutes in the ER, worse than the Michigan median of 161 minutes.
Across CMS mortality, safety and readmission measures, it performed better than the national rate on 8 and worse on 3.
Facility details
- Type
- Acute care hospital
- Ownership
- Voluntary Non-Profit - Private
- Emergency services
- Yes
- Birthing-friendly designation
- Yes
- County
- Washtenaw County
- CMS Certification Number
- 230046
How CMS scored this hospital
Number of measures in each group where the hospital was better, no different, or worse than the national rate.
| Measure group | Better | No different | Worse |
|---|---|---|---|
| Mortality (death rates) | 3 | 4 | 1 |
| Safety of care | 4 | 4 | 0 |
| Readmissions | 1 | 8 | 2 |
Ratings
| Measure | This facility | Michigan avg. | U.S. avg. | vs. U.S. |
|---|---|---|---|---|
| Overall hospital star rating ⓘ (higher is better) | 4 / 5 | 3.1 / 5 | 3.2 / 5 | Better |
Patient survey
| Measure | This facility | Michigan avg. | U.S. avg. | vs. U.S. |
|---|---|---|---|---|
| Patient survey summary rating ⓘ (higher is better) | 4 / 5 | 3.2 / 5 | 3.3 / 5 | Better |
| Patients who rated the hospital 9 or 10 out of 10 (higher is better) | 79% | 69.3% | 71.7% | Better |
| Patients who would definitely recommend the hospital (higher is better) | 82% | 68.5% | 71.2% | Better |
| Nurse communication (higher is better) | 5 / 5 | 3.5 / 5 | 3.4 / 5 | Better |
| Doctor communication (higher is better) | 4 / 5 | 3.1 / 5 | 3.1 / 5 | Better |
| Communication about medicines (higher is better) | 3 / 5 | 2.6 / 5 | 2.7 / 5 | Average |
| Discharge information (higher is better) | 4 / 5 | 3.4 / 5 | 3.3 / 5 | Better |
| Cleanliness (higher is better) | 2 / 5 | 2.9 / 5 | 3.4 / 5 | Worse |
| Quietness at night (higher is better) | 2 / 5 | 3.1 / 5 | 3.3 / 5 | Worse |
| Completed patient surveys | 824 | 499 | 611 |
Emergency room
| Measure | This facility | Michigan avg. | U.S. avg. | vs. U.S. |
|---|---|---|---|---|
| Median time in the ER before leaving ⓘ (lower is better) | 345 min | 161 min | 157 min | Worse |
| Patients who left the ER before being seen (lower is better) | 3% | 1.9% | 1.7% | Worse |
| Emergency department volume | very high |
Timely care
| Measure | This facility | Michigan avg. | U.S. avg. | vs. U.S. |
|---|---|---|---|---|
| Appropriate care for severe sepsis and septic shock (higher is better) | 57% | 59.7% | 63.8% | Worse |
| Healthcare workers given a flu vaccine (higher is better) | 92% | 74.7% | 74.5% | Better |
Death rates (30-day)
| Measure | This facility | Michigan avg. | U.S. avg. | vs. U.S. |
|---|---|---|---|---|
| Death rate for heart attack patients (lower is better) | 9.9% | 12% | 11.8% | Better |
| Death rate for heart failure patients (lower is better) | 8.9% | 11.3% | 11.1% | Better |
| Death rate for pneumonia patients (lower is better) | 10.3% | 15.2% | 15.3% | Better |
| Death rate for stroke patients (lower is better) | 11.3% | 11.9% | 12.1% | Better |
| Death rate for COPD patients (lower is better) | 10% | 8.6% | 8.6% | Worse |
| Death rate for heart bypass surgery patients (lower is better) | 2% | 2.4% | 2.4% | Better |
Readmissions (30-day)
| Measure | This facility | Michigan avg. | U.S. avg. | vs. U.S. |
|---|---|---|---|---|
| Readmission rate after heart attack (lower is better) | 14.6% | 14.3% | 14.4% | Average |
| Readmission rate after heart failure (lower is better) | 19.2% | 21.2% | 21.4% | Better |
| Readmission rate after pneumonia (lower is better) | 16.6% | 17.1% | 17.3% | Average |
| Readmission rate after COPD (lower is better) | 19.3% | 19.7% | 19.9% | Average |
| Readmission rate after hip/knee replacement (lower is better) | 5.3% | 6% | 5.8% | Better |
| Readmission rate after heart bypass surgery (lower is better) | 9.4% | 10.4% | 11.1% | Better |
Safety & infections
| Measure | This facility | Michigan avg. | U.S. avg. | vs. U.S. |
|---|---|---|---|---|
| Complication rate for hip/knee replacement (lower is better) | 4.9% | 4.2% | 4.2% | Worse |
| Serious complications (patient safety composite) (lower is better) | 0.92 | 1.00 | 1.00 | Average |
| Central line bloodstream infections (CLABSI) ⓘ (lower is better) | 0.41 | 0.67 | 0.58 | Better |
| Catheter-associated urinary tract infections (CAUTI) (lower is better) | 0.53 | 0.40 | 0.48 | Better |
| Surgical site infections after colon surgery (lower is better) | 1.12 | 1.05 | 0.80 | Average |
| Surgical site infections after abdominal hysterectomy (lower is better) | 1.35 | 1.46 | 1.04 | Average |
| MRSA bloodstream infections (lower is better) | 0.60 | 0.75 | 0.68 | Better |
| C. difficile intestinal infections (lower is better) | 0.50 | 0.32 | 0.36 | Better |
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Frequently asked questions
What is University of Michigan Health System's rating?
University of Michigan Health System has 4 out of 5 stars on the CMS overall hospital star rating. The average for Michigan hospitals is 3.1 stars.
How long is the ER wait at University of Michigan Health System?
Patients treated and sent home from the emergency department spent a median of 345 minutes there, from arrival to departure. The Michigan median is 161 minutes.
Does University of Michigan Health System have an emergency room?
Yes. CMS lists it as providing emergency services.
Where is University of Michigan Health System and how do I contact it?
University of Michigan Health System is at 1500 E Medical Center Drive, Spc 5474, Ann Arbor, MI 48109. Phone: (734) 764-1505.
About this data
Ratings and measures come from the Centers for Medicare & Medicaid Services (CMS), Medicare Care Compare. They're based on state inspections, patient surveys and facility reports, and they describe the past. Facilities change, so visit in person and confirm details directly. About our data · Spotted an error? Let us know.