Critical access hospital · Lake Geneva, Wisconsin · 25 beds · CMS certification number 521357
Mercy Walworth Hospital & Medical Center
Its Medicare cost reports, read cell by cell. Latest filing: fiscal year ended June 30, 2025, as submitted, stamped by CMS December 17, 2025. Twenty 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 fell from $338.4M in its first year on file (2006) to −$141.9M in 2024.
- Its result from patient care: $27.3M (2023), −$745.6M (2024), −$79.8M (2025).
- Medicaid paid for 6.7% of its inpatient days and Medicare for 37.3%.
- MERCY HEALTH CORPORATION holds 100% of it, on its Medicare enrollment.
Every statement is drawn from figures on this page; nothing is estimated.
Twenty years of filings
Net patient revenue against operating expenses, each year as filed.
settled
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reopened
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Beside its peers
Critical access hospitals in Wisconsin with 25 to 49 beds, each on fiscal year 2025.
| Hospital | Beds | Net patient revenue | Operating expenses | Margin |
|---|---|---|---|---|
| Mercy Walworth Hospital & Medical Center | 25 | $79,783,961 | ||
| Adventhealth Durand, Durand | 25 | $20,504,259 | $19,148,442 | 6.6% |
| Amery Hospital & Clinic, Amery | 25 | $91,255,557 | $85,208,276 | 6.6% |
| Aspirus Eagle River Hospital, Eagle River | 25 | $21,407,672 | $17,753,431 | 17.1% |
| Gundersen Moundview Hospital and Clinics, Friendship | 25 | $25,938,508 | $26,843,965 | −3.5% |
| Gundersen St. Joseph's Hospital and Clinics, Hillsboro | 25 | $46,891,316 | $41,642,721 | 11.2% |
Patients and payers
- Discharges
- 1,006S-3 line 14, col 15
- Inpatient days
- 2,907S-3 line 14, col 8
- Beds in use, on an average day
- 8.0days ÷ days in year
- Occupancy
- 31.9%days ÷ bed days
- Medicare share of days
- 37.3%S-3 cols 6 ÷ 8
- Medicaid share of days
- 6.7%S-3 cols 7 ÷ 8
Who owns it
- MERCY HEALTH CORPORATION100%
Related organizations on its own cost report: MERCY HOME OFFI, home office; MERCY HEALTH SY, related hospita.
Other hospitals with the same owner: Mercyhealth FHN Hospital (IL), Javon Bea Hospital (IL), Mercyhealth Hospital and Physician Clinic-Crystal Lake (IL), Mercy Harvard Hospital (IL), Van Matre Encompass Health Rehabilitation Institute (IL), Mercy Hospital Janesville (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).
Community benefit, as filed
Community benefit is filed on IRS Form 990 Schedule H by Mercy Health System Corporation (employer identification number 390816848) for tax year 2022, once for the 2 hospital facilities the return lists, this hospital among them. The return does not divide it among them.
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Figures: CMS Healthcare Cost Report Information System, file HOSP10FY2024.ZIP, form CMS-2552-10, filed under CMS certification number 521357. 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 17, 2025.