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AExcellent · score 74/100 · #7 of 98 in Michigan

Trinity Health Ann Arbor Hospital

5301 E Huron River Dr, Ann Arbor, MI 48106 · Acute care hospital · Voluntary non-profit - Church

CMS overall rating 4 of 5top quarter among Michigan acute care hospitals
Mortality: 4 measures better than the national rate, 0 worse, of 8
Safety: 1 measure better than the national rate, 0 worse, of 8

Why Trinity Health Ann Arbor Hospital is graded A

Each metric below is percentile-ranked against Michigan hospitals of the same type (acute care hospitals), then weighted. The score is the weighted sum; A ≥ 72, B ≥ 58, C ≥ 42, D ≥ 28, F below. Nothing here can be edited or paid for.

Trinity Health Ann Arbor Hospital at a Glance

A 74/100
CMS overall rating · weight 25Medicare's 1–5 star summary of mortality, safety, readmission, patient experience and timely care. Raw: 4 of 5.
79<small style="font-size:12px;color:var(--muted)">th pct</small>
Mortality · weight 25Net count of death-rate measures where the hospital is better than the national rate minus those where it is worse (heart attack, heart failure, pneumonia, stroke, CABG, COPD, surgical). Raw: 4 better, 0 worse of 8 measures (net +4).
99<small style="font-size:12px;color:var(--muted)">th pct</small>
Safety of care · weight 25Net count of safety measures better than the national rate minus worse (infections, complications, falls, pressure injuries). Raw: 1 better, 0 worse of 8 measures (net +1).
63<small style="font-size:12px;color:var(--muted)">th pct</small>
Readmission · weight 25Net count of unplanned-readmission measures better than the national rate minus worse. Raw: 1 better, 1 worse of 11 measures (net +0).
55<small style="font-size:12px;color:var(--muted)">th pct</small>
Patient experience and timely careCMS reports 15 patient-experience and 9 timely-and-effective-care measures for this hospital; they feed the CMS overall rating above rather than being graded separately.

Data: CMS Care Compare, imported Sep 11, 2026 · graded Sep 11, 2026 · peer group: Michigan, acute care hospitals · CMS record 230156 · How we grade.

Hospital details

Address5301 E Huron River Dr, Ann Arbor, MI 48106
Phone(734) 712-3456
CountyWASHTENAW
TypeAcute Care Hospitals
OwnershipVoluntary non-profit - Church
Emergency servicesYes
Birthing-Friendly designationYes (CMS)

Higher-graded hospitals nearby

1

Va Ann Arbor Healthcare System - Ann Arbor, MI · Acute care hospital

  • CMS overall rating 5 of 5 — top 10% among Michigan acute care hospitals
  • Mortality: 1 measure better than the national rate, 0 worse, of 5
2

University Of Michigan Health System - Ann Arbor, MI · Acute care hospital

  • CMS overall rating 4 of 5 — top quarter among Michigan acute care hospitals
  • Mortality: 3 measures better than the national rate, 1 worse, of 8
1

Spectrum Health - Grand Rapids, MI · Acute care hospital

  • CMS overall rating 4 of 5 — top quarter among Michigan acute care hospitals
  • Mortality: 3 measures better than the national rate, 0 worse, of 8

A grade is a shortlist tool, not medical advice. In an emergency go to the nearest emergency department. For planned care, ask about the specific procedure's volume and outcomes and check your insurer's network.