Short-term acute care hospital · St. Louis, Missouri · 488 beds · CMS certification number 260091
SSM Health St. Mary's Hospital - St. Louis
Its Medicare cost reports, read cell by cell. Latest filing: fiscal year ended December 31, 2025, as submitted, stamped by CMS June 22, 2026. 30 years on file, every one shown below. Also on the 340B covered-entity register.
Fiscal 2025 at a glance
What stands out
- Net patient revenue rose from $140.3M in its first year on file (1996) to $872.9M in 2025.
- Its result from patient care: −$45.2M (2023), −$72.3M (2024), −$119.5M (2025).
- 2 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 8.6% of its inpatient days and Medicare for 7.7%.
- SSM HEALTH CARE ST LOUIS holds 100% of it, on its Medicare enrollment.
Every statement is drawn from figures on this page; nothing is estimated.
30 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 Missouri with 400 and over beds, each on fiscal year 2025.
| Hospital | Beds | Net patient revenue | Operating expenses | Margin |
|---|---|---|---|---|
| SSM Health St. Mary's Hospital - St. Louis | 488 | $872,888,182 | $992,387,039 | −13.7% |
| Mercy Hospital South, Saint Louis | 748 | $658,639,494 | $633,817,312 | 3.8% |
| Mercy Hospital Springfield, Springfield | 621 | $1,372,051,750 | $1,223,349,345 | 10.8% |
| St. Lukes Hospital of Kansas City, Kansas City | 452 | $1,113,304,260 | $1,181,142,011 | −6.1% |
| SSM Health Depaul Hospital - St. Louis, Bridgeton | 463 | $592,795,899 | $662,821,104 | −11.8% |
| University of Missouri Health Care, Columbia | 657 | $1,861,752,622 | $1,842,475,798 | 1.0% |
Patients and payers
- Discharges
- 19,864S-3 line 14, col 15
- Inpatient days
- 110,167S-3 line 14, col 8
- Beds in use, on an average day
- 302.7days ÷ days in year
- Occupancy
- 61.9%days ÷ bed days
- Medicare share of days
- 7.7%S-3 cols 6 ÷ 8
- Medicaid share of days
- 8.6%S-3 cols 7 ÷ 8
Who owns it
- SSM HEALTH CARE ST LOUIS100%
- SSM HEALTH CARE CORPORATION85%
- ST LOUIS UNIVERSITY15%
Related organizations on its own cost report: SSM HEALTH CARE (100%), home office; SSM HEALTH CARE (100%), st louis network; SSM INFO CENTER (100%), data processing services.
Other hospitals with the same owner: SSM Health St. Mary's Hospital - Centralia (IL), SSM Health Good Samaritan Hospital - Mt. Vernon (IL), SSM Health St. Joseph Hospital - St. Charles (MO), SSM Health St. Marys Hospital Jefferson City (MO), SSM Health St. Clare Hospital - Fenton (MO), SSM Health Depaul Hospital - St. Louis (MO), SSM Health Saint Louis University Hospital (MO), SSM Health St. Joseph Hospital - Lake Saint Louis (MO), SSM Health Rehabilitation Hospital (MO).
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 HOSP10FY2025.ZIP, form CMS-2552-10, filed under CMS certification number 260091. 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 HOSP10FY2025.ZIP, read June 22, 2026.