Short-term acute care hospital · Oconomowoc, Wisconsin · 63 beds · CMS certification number 520062
Prohealth Oconomowoc Memorial Hospital
Its Medicare cost reports, read cell by cell. Latest filing: fiscal year ended September 30, 2025, as submitted, stamped by CMS March 18, 2026. 30 years on file, every one shown below.
Fiscal 2025 at a glance
What stands out
- Net patient revenue rose from $31.1M in its first year on file (1996) to $126.8M in 2025.
- Its result from patient care: −$888K (2023), $5.6M (2024), −$1.5M (2025).
- 4 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 1.5% of its inpatient days and Medicare for 26.7%.
- PROHEALTH CARE INC 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 Wisconsin with 50 to 99 beds, each on fiscal year 2025.
| Hospital | Beds | Net patient revenue | Operating expenses | Margin |
|---|---|---|---|---|
| Prohealth Oconomowoc Memorial Hospital | 63 | $126,795,966 | $128,264,439 | −1.2% |
| Ascension St. Francis Hospital, Milwaukee | 73 | $106,240,766 | $134,776,266 | −26.9% |
| Aurora Lakeland Medical Center, Elkhorn | 62 | $98,230,828 | $81,659,449 | 16.9% |
| Aurora Medical Center Bay Area, Marinette | 60 | $111,268,316 | $113,052,583 | −1.6% |
| Froedtert West Bend Hospital, West Bend | 70 | $149,717,990 | $164,574,602 | −9.9% |
| St. Mary's Hospital, Green Bay | 72 | $144,435,945 | $147,508,276 | −2.1% |
Patients and payers
- Discharges
- 3,167S-3 line 14, col 15
- Inpatient days
- 10,647S-3 line 14, col 8
- Beds in use, on an average day
- 29.3days ÷ days in year
- Occupancy
- 46.3%days ÷ bed days
- Medicare share of days
- 26.7%S-3 cols 6 ÷ 8
- Medicaid share of days
- 1.5%S-3 cols 7 ÷ 8
Who owns it
- PROHEALTH CARE INC100%
Related organizations on its own cost report: PROHEALTH CARE, home office.
Other hospitals with the same owner: Prohealth Waukesha Memorial Hospital (WI).
Type of control on its cost report: voluntary nonprofit, other.
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 520062. 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 March 18, 2026.