Short-term acute care hospital · Ann Arbor, Michigan · 479 beds · CMS certification number 230156
Trinity Health Ann Arbor Hospital
Its Medicare cost reports, read cell by cell. Latest filing: fiscal year ended June 30, 2025, amended, stamped by CMS May 29, 2026. 29 years on file, every one shown below.
Fiscal 2025 at a glance
What stands out
- Net patient revenue rose from $337.1M in its first year on file (1997) to $1.2B in 2025.
- Its result from patient care: −$10.0M (2023), −$19.0M (2024), −$7.8M (2025).
- 3 of the 5 short-term acute care hospital peers below with a margin on file also report a loss on patient care for fiscal year 2025.
- Medicaid paid for 2.7% of its inpatient days and Medicare for 21.4%.
- TRINITY HEALTH CORPORATION holds 100% of it, on its Medicare enrollment.
Every statement is drawn from figures on this page; nothing is estimated.
29 years of filings
Net patient revenue against operating expenses, each year as filed.
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Beside its peers
Short-term acute care hospitals in Michigan with 400 and over beds, each on fiscal year 2025.
| Hospital | Beds | Net patient revenue | Operating expenses | Margin |
|---|---|---|---|---|
| Trinity Health Ann Arbor Hospital | 479 | $1,173,128,843 | $1,180,902,887 | −0.7% |
| Henry Ford Health - St. John Hospital, Detroit | 524 | $1,079,536,119 | $1,087,122,176 | −0.7% |
| Corewell Health Dearborn Hospital, Dearborn | 498 | $786,917,902 | $772,721,464 | 1.8% |
| Corewell Health Beaumont Troy Hospital, Troy | 524 | $876,841,304 | $815,485,566 | 7.0% |
| Covenant Medical Center, Saginaw | 464 | $796,939,421 | $851,048,165 | −6.8% |
| University of Michigan Health-Sparrow Lansing, Lansing | 454 | $1,256,386,642 | $1,333,869,278 | −6.2% |
Patients and payers
- Discharges
- 46,156S-3 line 14, col 15
- Inpatient days
- 156,307S-3 line 14, col 8
- Beds in use, on an average day
- 429.4days ÷ days in year
- Occupancy
- 89.4%days ÷ bed days
- Medicare share of days
- 21.4%S-3 cols 6 ÷ 8
- Medicaid share of days
- 2.7%S-3 cols 7 ÷ 8
Who owns it
- TRINITY HEALTH CORPORATION100%
- TRINITY HEALTH-MICHIGAN100%
Related organizations on its own cost report: FINANCIAL (100%).
Other hospitals with the same owner: Saint Agnes Medical Center (CA), Saint Francis Hospital and Medical Center (CT), Johnson Memorial Hospital (CT), Saint Mary's Hospital (CT), Mount Sinai Rehabilitation Hospital (CT), St. Francis Hospital (DE), Holy Cross Hospital (FL), St. Mary's Health Care System (GA).
Type of control on its cost report: voluntary nonprofit, church.
Owners of 5% or more, from CMS’s hospital ownership file (Medicare enrollment, October 1, 2026).
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Figures: CMS Healthcare Cost Report Information System, file HOSP10FY2024.ZIP, form CMS-2552-10, filed under CMS certification number 230156. Patients and payers: worksheet S-3 Part I of the same filing. Ownership: CMS Hospital All Owners and Hospital Enrollments.
How this page was built: the CMS Medicare cost report, file HOSP10FY2024.ZIP, read May 29, 2026.