Hospital rankings
Hospitals in Wisconsin with the lowest serious complications
63 Wisconsin hospitals ranked by serious complications in the 2026 Medicare (CMS) data. Leading: Mayo Clinic Health System Eau Claire Hospital, Froedtert Memorial Lutheran Hospital, Aurora Medical Center Oshkosh. Filter by type, ownership and size, choose the measures you care about, and sort by any column.
| # | Hospital | Serious complicationslower is better | Overall star ratinghigher is better | Patient survey star ratinghigher is better | Heart attack death ratelower is better | Heart failure death ratelower is better | Hospital-wide readmission ratelower is better · 2025 data | Time in emergency departmentlower is better | Medicare spending per patientlower is better | Total beds | Compare |
|---|---|---|---|---|---|---|---|---|---|---|---|
| National average | 1.00 | 3.3 | 11.9% | 11.1% | 15.0% | 162 min | 1.00 | ||||
| 1 | Mayo Clinic Health System Eau Claire Hospital | 0.68, 99th percentile | 5, 94th percentile | 4, 76th percentile | 10.3%, 92nd percentile | 12.0%, 30th percentile | 13.6%, 97th percentile | 178 min, 31st percentile | 0.95, 71st percentile | 304 | Compare Mayo Clinic Health System Eau Claire Hospital |
| 2 | Froedtert Memorial Lutheran Hospital | 0.78, 95th percentile | 3, 43rd percentile | 4, 76th percentile | 10.7%, 85th percentile | 9.5%, 79th percentile | 15.4%, 23rd percentile | 275 min, 2nd percentile | 0.96, 66th percentile | 596 | Compare Froedtert Memorial Lutheran Hospital |
| 3 | Aurora Medical Center Oshkosh | 0.82, 90th percentile | 4, 73rd percentile | 4, 76th percentile | 10.9%, 80th percentile | 11.0%, 50th percentile | 14.3%, 86th percentile | 122 min, 72nd percentile | 0.81, 98th percentile | 84 | Compare Aurora Medical Center Oshkosh |
| 4 | UnityPoint Health - Meriter | 0.83, 89th percentile | 5, 94th percentile | 4, 76th percentile | 11.0%, 77th percentile | 10.4%, 62nd percentile | 15.8%, 11th percentile | 142 min, 55th percentile | 0.93, 80th percentile | 448 | Compare UnityPoint Health - Meriter |
| T5 | Mayo Clinic Health System-Franciscan Medical Center Inc | 0.85, 85th percentile | 5, 94th percentile | 5, 97th percentile | 9.8%, 97th percentile | 10.2%, 66th percentile | 14.3%, 86th percentile | 134 min, 62nd percentile | 0.90, 88th percentile | 345 | Compare Mayo Clinic Health System-Franciscan Medical Center Inc |
| T5 | Community Memorial Hospital | 0.85, 85th percentile | 4, 73rd percentile | 3, 39th percentile | 10.8%, 83rd percentile | 11.9%, 32nd percentile | 14.6%, 74th percentile | 219 min, 12th percentile | 0.91, 86th percentile | 237 | Compare Community Memorial Hospital |
| 7 | Ascension All Saints Hospital | 0.86, 83rd percentile | 2, 17th percentile | 3, 39th percentile | 11.8%, 49th percentile | 12.4%, 23rd percentile | 14.1%, 91st percentile | 146 min, 52nd percentile | — | 553 | Compare Ascension All Saints Hospital |
| T8 | Aurora Medical Center Sheboygan County | 0.87, 81st percentile | 5, 94th percentile | 4, 76th percentile | 11.8%, 49th percentile | 10.4%, 62nd percentile | 14.4%, 83rd percentile | 173 min, 34th percentile | 0.83, 97th percentile | 185 | Compare Aurora Medical Center Sheboygan County |
| T8 | Madison VA Medical Center | 0.87, 81st percentile | 5, 94th percentile | 5, 97th percentile | 12.1%, 38th percentile | 7.1%, 98th percentile | 16.0%, 7th percentile | — | — | 475 | Compare Madison VA Medical Center |
| T8 | Orthopaedic Hospital Of Wisconsin | 0.87, 81st percentile | — | 5, 97th percentile | — | — | 13.2%, 99th percentile | — | 0.73, 99th percentile | 30 | Compare Orthopaedic Hospital Of Wisconsin |
| T11 | Oconomowoc Memorial Hospital | 0.88, 78th percentile | 5, 94th percentile | 4, 76th percentile | 11.6%, 58th percentile | 11.7%, 35th percentile | 15.0%, 46th percentile | 136 min, 60th percentile | 1.05, 19th percentile | 156 | Compare Oconomowoc Memorial Hospital |
| T11 | SSM Health St Mary's Hospital - Janesville | 0.88, 78th percentile | 4, 73rd percentile | 3, 39th percentile | — | 13.7%, 10th percentile | 14.0%, 93rd percentile | 138 min, 58th percentile | 0.90, 88th percentile | 50 | Compare SSM Health St Mary's Hospital - Janesville |
| T13 | Aurora Lakeland Medical Center | 0.89, 75th percentile | 5, 94th percentile | 4, 76th percentile | — | 11.9%, 32nd percentile | 14.9%, 54th percentile | 145 min, 52nd percentile | 0.84, 96th percentile | 99 | Compare Aurora Lakeland Medical Center |
| T13 | Marshfield Medical Center - Minocqua | 0.89, 75th percentile | 5, 94th percentile | 5, 97th percentile | — | 9.9%, 72nd percentile | 15.2%, 34th percentile | 174 min, 33rd percentile | 0.92, 83rd percentile | 19 | Compare Marshfield Medical Center - Minocqua |
| T15 | Aurora Medical Center Bay Area | 0.90, 73rd percentile | 4, 73rd percentile | 4, 76th percentile | — | 9.3%, 82nd percentile | 15.7%, 13th percentile | 129 min, 66th percentile | 0.84, 96th percentile | 99 | Compare Aurora Medical Center Bay Area |
| T15 | SSM Health St Mary's Hospital - Madison | 0.90, 73rd percentile | 4, 73rd percentile | 4, 76th percentile | 10.3%, 92nd percentile | 14.5%, 5th percentile | 14.4%, 83rd percentile | 190 min, 24th percentile | 0.93, 80th percentile | 440 | Compare SSM Health St Mary's Hospital - Madison |
| T15 | Waukesha Memorial Hospital | 0.90, 73rd percentile | 4, 73rd percentile | 4, 76th percentile | 12.4%, 29th percentile | 10.6%, 58th percentile | 15.5%, 19th percentile | 140 min, 56th percentile | 1.05, 19th percentile | 400 | Compare Waukesha Memorial Hospital |
| T15 | Aspirus Riverview Hospital & Clinics Inc | 0.90, 73rd percentile | 3, 43rd percentile | 4, 76th percentile | — | 12.5%, 22nd percentile | 15.1%, 40th percentile | 162 min, 41st percentile | 0.93, 80th percentile | 99 | Compare Aspirus Riverview Hospital & Clinics Inc |
| 19 | Watertown Memorial Hospital | 0.91, 70th percentile | 3, 43rd percentile | 4, 76th percentile | 13.2%, 11th percentile | 21.9%, 0th percentile | 14.3%, 86th percentile | 120 min, 74th percentile | 0.97, 61st percentile | 95 | Compare Watertown Memorial Hospital |
| T20 | Ascension SE Wisconsin Hospital | 0.93, 63rd percentile | 5, 94th percentile | 3, 39th percentile | 11.3%, 68th percentile | 9.8%, 73rd percentile | 13.6%, 97th percentile | 124 min, 71st percentile | — | 538 | Compare Ascension SE Wisconsin Hospital |
| T20 | Aurora Medical Center - Summit | 0.93, 63rd percentile | 5, 94th percentile | 4, 76th percentile | 12.0%, 42nd percentile | 11.1%, 48th percentile | 14.7%, 68th percentile | 142 min, 55th percentile | 0.90, 88th percentile | 66 | Compare Aurora Medical Center - Summit |
| T20 | The Monroe Clinic | 0.93, 63rd percentile | 5, 94th percentile | 4, 76th percentile | 10.8%, 83rd percentile | 10.5%, 60th percentile | 15.6%, 16th percentile | 145 min, 52nd percentile | 0.90, 88th percentile | 100 | Compare The Monroe Clinic |
| T20 | St Nicholas Hospital | 0.93, 63rd percentile | 3, 43rd percentile | 4, 76th percentile | — | 11.5%, 39th percentile | 14.8%, 61st percentile | 122 min, 72nd percentile | 0.87, 93rd percentile | 185 | Compare St Nicholas Hospital |
| T20 | Oakleaf Surgical Hospital | 0.93, 63rd percentile | — | 5, 97th percentile | — | — | 14.1%, 91st percentile | — | 1.08, 12th percentile | 13 | Compare Oakleaf Surgical Hospital |
| T25 | Ascension Columbia St Marys Hospital Milwaukee | 0.94, 59th percentile | 3, 43rd percentile | 3, 39th percentile | 12.3%, 32nd percentile | 10.4%, 62nd percentile | 13.7%, 97th percentile | 167 min, 37th percentile | 0.98, 55th percentile | 422 | Compare Ascension Columbia St Marys Hospital Milwaukee |
| T25 | Holy Family Memorial | 0.94, 59th percentile | 3, 43rd percentile | 4, 76th percentile | — | 14.2%, 7th percentile | 14.6%, 74th percentile | 138 min, 58th percentile | 0.88, 92nd percentile | 167 | Compare Holy Family Memorial |
| T25 | Midwest Orthopedic Specialty Hospital | 0.94, 59th percentile | — | 5, 97th percentile | — | — | 15.7%, 13th percentile | — | — | 16 | Compare Midwest Orthopedic Specialty Hospital |
| T28 | Aurora Medical Center Manitowoc County | 0.95, 55th percentile | 5, 94th percentile | 4, 76th percentile | — | 12.0%, 30th percentile | 14.8%, 61st percentile | 112 min, 81st percentile | 0.85, 95th percentile | 69 | Compare Aurora Medical Center Manitowoc County |
| T28 | Aurora Medical Center Washington County | 0.95, 55th percentile | 4, 73rd percentile | 4, 76th percentile | — | 10.9%, 52nd percentile | 15.7%, 13th percentile | 127 min, 68th percentile | 0.84, 96th percentile | 71 | Compare Aurora Medical Center Washington County |
| T28 | Aurora Memorial Hospital Burlington | 0.95, 55th percentile | 4, 73rd percentile | 4, 76th percentile | — | 11.1%, 48th percentile | 15.2%, 34th percentile | 182 min, 28th percentile | 0.87, 93rd percentile | 123 | Compare Aurora Memorial Hospital Burlington |
| T28 | Marshfield Medical Center - Beaver Dam (MMC-BD) | 0.95, 55th percentile | 2, 17th percentile | 3, 39th percentile | — | 15.6%, 2nd percentile | 14.9%, 54th percentile | 183 min, 28th percentile | 0.86, 94th percentile | 125 | Compare Marshfield Medical Center - Beaver Dam (MMC-BD) |
| T32 | Ascension St Francis Hospital | 0.96, 51st percentile | 3, 43rd percentile | 2, 10th percentile | — | 11.7%, 35th percentile | 14.3%, 86th percentile | 136 min, 60th percentile | — | 270 | Compare Ascension St Francis Hospital |
| T32 | Aspirus Divine Savior Hospital | 0.96, 51st percentile | 3, 43rd percentile | 3, 39th percentile | — | 15.3%, 3rd percentile | 14.6%, 74th percentile | 153 min, 47th percentile | 0.81, 98th percentile | 73 | Compare Aspirus Divine Savior Hospital |
| T34 | Aspirus Wausau Hospital | 0.97, 46th percentile | 4, 73rd percentile | 4, 76th percentile | 11.8%, 49th percentile | 11.8%, 34th percentile | 14.1%, 91st percentile | 157 min, 44th percentile | 0.95, 71st percentile | 321 | Compare Aspirus Wausau Hospital |
| T34 | Fort Memorial Hospital | 0.97, 46th percentile | 4, 73rd percentile | 3, 39th percentile | — | 13.4%, 12th percentile | 14.7%, 68th percentile | 171 min, 35th percentile | 0.92, 83rd percentile | 82 | Compare Fort Memorial Hospital |
| T34 | Mile Bluff Medical Center | 0.97, 46th percentile | 4, 73rd percentile | 5, 97th percentile | — | 11.7%, 35th percentile | 14.5%, 79th percentile | 124 min, 71st percentile | 0.78, 99th percentile | 40 | Compare Mile Bluff Medical Center |
| 37 | SSM Health St Clare Hospital - Baraboo | 0.98, 41st percentile | 4, 73rd percentile | 4, 76th percentile | — | 11.1%, 48th percentile | 14.0%, 93rd percentile | 114 min, 79th percentile | 0.84, 96th percentile | 100 | Compare SSM Health St Clare Hospital - Baraboo |
| T38 | Sauk Prairie Hospital | 1.01, 33rd percentile | 5, 94th percentile | 5, 97th percentile | — | 13.0%, 15th percentile | 14.1%, 91st percentile | 152 min, 48th percentile | 0.86, 94th percentile | 36 | Compare Sauk Prairie Hospital |
| T38 | Aurora BayCare Medical Center | 1.01, 33rd percentile | 4, 73rd percentile | 4, 76th percentile | 12.2%, 35th percentile | 12.8%, 18th percentile | 14.9%, 54th percentile | 133 min, 62nd percentile | 0.92, 83rd percentile | 132 | Compare Aurora BayCare Medical Center |
| T40 | West Allis Memorial Hospital | 1.03, 29th percentile | 4, 73rd percentile | 3, 39th percentile | 12.2%, 35th percentile | 10.2%, 66th percentile | 15.3%, 28th percentile | 182 min, 28th percentile | 0.89, 90th percentile | 149 | Compare West Allis Memorial Hospital |
| T40 | Aspirus Rhinelander Hospital | 1.03, 29th percentile | 3, 43rd percentile | 4, 76th percentile | — | 17.0%, 1st percentile | 14.4%, 83rd percentile | 162 min, 41st percentile | 0.89, 90th percentile | 99 | Compare Aspirus Rhinelander Hospital |
| 42 | University Of Wisconsin Hospitals & Clinics Authority | 1.04, 28th percentile | 5, 94th percentile | 4, 76th percentile | 11.6%, 58th percentile | 8.5%, 91st percentile | 14.2%, 89th percentile | 214 min, 13th percentile | 0.93, 80th percentile | 536 | Compare University Of Wisconsin Hospitals & Clinics Authority |
| T43 | Aurora Medical Center | 1.05, 26th percentile | 5, 94th percentile | 4, 76th percentile | 11.4%, 65th percentile | 9.1%, 85th percentile | 14.7%, 68th percentile | 188 min, 25th percentile | 0.85, 95th percentile | 62 | Compare Aurora Medical Center |
| T43 | Gundersen Lutheran Medical Center | 1.05, 26th percentile | 4, 73rd percentile | 4, 76th percentile | 12.6%, 23rd percentile | 12.8%, 18th percentile | 13.9%, 94th percentile | 167 min, 37th percentile | 1.07, 14th percentile | 325 | Compare Gundersen Lutheran Medical Center |
| 45 | SSM Health St Agnes Hospital-Fond Du Lac | 1.06, 25th percentile | 4, 73rd percentile | 4, 76th percentile | 10.8%, 83rd percentile | 15.5%, 2nd percentile | 15.0%, 46th percentile | 150 min, 49th percentile | 0.88, 92nd percentile | 151 | Compare SSM Health St Agnes Hospital-Fond Du Lac |
| 46 | Marshfield Medical Center - Eau Claire | 1.07, 23rd percentile | 3, 43rd percentile | 4, 76th percentile | 10.7%, 85th percentile | 12.2%, 27th percentile | 14.1%, 91st percentile | 192 min, 23rd percentile | 0.91, 86th percentile | 44 | Compare Marshfield Medical Center - Eau Claire |
| 47 | Thedacare Regional Medical Center - Neenah | 1.08, 22nd percentile | 4, 73rd percentile | 4, 76th percentile | 12.1%, 38th percentile | 14.1%, 7th percentile | 14.8%, 61st percentile | 142 min, 55th percentile | 0.95, 71st percentile | 182 | Compare Thedacare Regional Medical Center - Neenah |
| 48 | Aurora St Lukes Medical Center | 1.09, 20th percentile | 4, 73rd percentile | 3, 39th percentile | 10.9%, 80th percentile | 10.1%, 68th percentile | 15.4%, 23rd percentile | 172 min, 34th percentile | 0.96, 66th percentile | 1,213 | Compare Aurora St Lukes Medical Center |
| 49 | Marshfield Medical Center - Rice Lake | 1.13, 16th percentile | 2, 17th percentile | 4, 76th percentile | — | 9.3%, 82nd percentile | 14.7%, 68th percentile | 168 min, 37th percentile | 0.86, 94th percentile | 75 | Compare Marshfield Medical Center - Rice Lake |
| 50 | Marshfield Medical Center - Weston | 1.15, 14th percentile | 3, 43rd percentile | 4, 76th percentile | 12.3%, 32nd percentile | 11.5%, 39th percentile | 15.4%, 23rd percentile | 143 min, 54th percentile | 0.93, 80th percentile | 86 | Compare Marshfield Medical Center - Weston |
About these rankings
Rankings use the 2026 release of CMS Care Compare data. Hospitals share a rank (“T”) when their values are equal, and only hospitals with a reported value for the sorted measure are ranked. Shading compares each value with every hospital in the country, so it doesn’t change with your filters. Small differences are often not statistically meaningful; use the methodology and glossary for context.
- Serious complications
- Patient safety and adverse events composite (PSI 90; 1.0 = national value).
- Overall star rating
- CMS overall hospital quality star rating (1-5).
- Patient survey star rating
- HCAHPS summary star rating (1-5).
- Heart attack death rate
- 30-day death rate for heart attack patients.
- Heart failure death rate
- 30-day death rate for heart failure patients.
- Hospital-wide readmission rate
- Rate of unplanned readmission within 30 days, all conditions. From 2025 CMS reports the Hybrid Hospital-Wide Readmission measure (claims plus EHR data), which replaced the claims-only measure; values are close but not strictly comparable across the change. CMS suppressed it for 2026.. Latest available: 2025 release.
- Time in emergency department
- Median time patients spent in the emergency department before leaving.
- Medicare spending per patient
- Medicare spending per beneficiary episode relative to the national median (1.0 = national median).
- Total beds
- Total beds reported to CMS (Provider of Services file).