Short-term acute care hospital · Pierre, South Dakota · 36 beds · CMS certification number 430015
Avera St. Marys Hospital
Its Medicare cost reports, read cell by cell. Latest filing: fiscal year ended June 30, 2025, as submitted, stamped by CMS December 22, 2025. 29 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 $18.9M in its first year on file (1997) to $124.6M in 2025.
- Its result from patient care: −$11.1M (2023), −$7.6M (2024), −$9.2M (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 25.8% of its inpatient days and Medicare for 38.4%.
- AVERA HEALTH 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 South Dakota with 25 to 49 beds, each on fiscal year 2025.
| Hospital | Beds | Net patient revenue | Operating expenses | Margin |
|---|---|---|---|---|
| Avera St. Marys Hospital | 36 | $124,560,403 | $133,793,024 | −7.4% |
| Avera Sacred Heart Hospital, Yankton | 42 | $138,043,706 | $139,326,524 | −0.9% |
| Black Hills Surgical Hospital, Rapid City | 25 | $111,519,611 | $94,035,871 | 15.7% |
| Sanford Aberdeen Medical Center, Aberdeen | 48 | $80,331,738 | $90,806,237 | −13.0% |
| Sioux Falls Specialty Hospital, Sioux Falls | 33 | $154,738,180 | $116,675,081 | 24.6% |
| Dunes Surgical Hospital, Dakota Dunes | 38 | $111,761,350 | $70,899,029 | 36.6% |
Patients and payers
- Discharges
- 1,550S-3 line 14, col 15
- Inpatient days
- 6,017S-3 line 14, col 8
- Beds in use, on an average day
- 16.5days ÷ days in year
- Occupancy
- 45.8%days ÷ bed days
- Medicare share of days
- 38.4%S-3 cols 6 ÷ 8
- Medicaid share of days
- 25.8%S-3 cols 7 ÷ 8
Who owns it
- AVERA HEALTH100%
Related organizations on its own cost report: AVERA HEALTH (100%); AVERA HEALTH AM (100%).
Other hospitals with the same owner: Avera Merrill Pioneer Hospital (IA), Avera Holy Family Hospital (IA), Avera Granite Falls Health Center (MN), Avera Tyler Hospital (MN), Avera Marshall Regional Medical Center (MN), Avera St. Anthonys Hospital (NE).
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 430015. 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 December 22, 2025.