Hospital rankings
Hospitals in Wisconsin with the lowest C. diff infections
90 Wisconsin hospitals ranked by C. diff infections in the 2026 Medicare (CMS) data. Leading: Marshfield Medical Center - Minocqua, Sauk Prairie Hospital, Columbus Community Hospital. Filter by type, ownership and size, choose the measures you care about, and sort by any column.
| # | Hospital | C. diff infectionslower is better | Serious complicationslower is better | Central line bloodstream infectionslower is better | Catheter-associated urinary tract infectionslower is better | Surgical site infections (colon)lower is better | Surgical site infections (hysterectomy)lower is better | MRSA bloodstream infectionslower is better | Compare |
|---|---|---|---|---|---|---|---|---|---|
| National average | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||
| T1 | Marshfield Medical Center - Minocqua | 0.00, 90th percentile | 0.89, 75th percentile | — | — | — | — | — | Compare Marshfield Medical Center - Minocqua |
| T1 | Sauk Prairie Hospital | 0.00, 90th percentile | 1.01, 33rd percentile | — | — | — | — | — | Compare Sauk Prairie Hospital |
| T1 | Columbus Community Hospital | 0.00, 90th percentile | — | — | — | — | — | — | Compare Columbus Community Hospital |
| T1 | Door County Medical Center | 0.00, 90th percentile | — | — | — | — | — | — | Compare Door County Medical Center |
| T1 | Howard Young Medical Center | 0.00, 90th percentile | — | — | — | — | — | — | Compare Howard Young Medical Center |
| T1 | Mayo Clinic Health System Chippewa Valley | 0.00, 90th percentile | — | — | — | — | — | — | Compare Mayo Clinic Health System Chippewa Valley |
| T1 | Mile Bluff Medical Center | 0.00, 90th percentile | 0.97, 46th percentile | — | — | — | — | — | Compare Mile Bluff Medical Center |
| T1 | SSM Health St Clare Hospital - Baraboo | 0.00, 90th percentile | 0.98, 41st percentile | — | — | — | — | — | Compare SSM Health St Clare Hospital - Baraboo |
| T1 | St Josephs Community Hospital West Bend | 0.00, 90th percentile | 1.16, 13th percentile | — | 0.81, 19th percentile | — | — | — | Compare St Josephs Community Hospital West Bend |
| T1 | Westfields Hospital And Clinic | 0.00, 90th percentile | — | — | — | — | — | — | Compare Westfields Hospital And Clinic |
| T1 | Aspirus Divine Savior Hospital | 0.00, 90th percentile | 0.96, 51st percentile | — | — | — | — | — | Compare Aspirus Divine Savior Hospital |
| T1 | Holy Family Memorial | 0.00, 90th percentile | 0.94, 59th percentile | — | — | — | — | — | Compare Holy Family Memorial |
| T1 | Mercy Walworth Hospital & Medical Center | 0.00, 90th percentile | — | — | — | — | — | — | Compare Mercy Walworth Hospital & Medical Center |
| T1 | Stoughton Hospital | 0.00, 90th percentile | — | — | — | — | — | — | Compare Stoughton Hospital |
| T1 | Watertown Memorial Hospital | 0.00, 90th percentile | 0.91, 70th percentile | — | — | — | — | — | Compare Watertown Memorial Hospital |
| T1 | Marshfield Medical Center - Beaver Dam (MMC-BD) | 0.00, 90th percentile | 0.95, 55th percentile | — | — | — | — | — | Compare Marshfield Medical Center - Beaver Dam (MMC-BD) |
| T1 | Aspirus Medford Hospital & Clinics, Inc | 0.00, 90th percentile | — | — | — | — | — | — | Compare Aspirus Medford Hospital & Clinics, Inc |
| T1 | Aspirus Merrill Hospital | 0.00, 90th percentile | — | — | — | — | — | — | Compare Aspirus Merrill Hospital |
| T1 | Black River Memorial Hospital | 0.00, 90th percentile | — | — | — | — | — | — | Compare Black River Memorial Hospital |
| 20 | Aurora Medical Center Kenosha | 0.13, 71st percentile | 1.20, 10th percentile | 0.42, 56th percentile | 0.75, 22nd percentile | 0.96, 33rd percentile | — | 0.00, 91st percentile | Compare Aurora Medical Center Kenosha |
| 21 | Beloit Health System | 0.17, 66th percentile | 1.29, 7th percentile | 0.00, 90th percentile | 0.00, 88th percentile | 0.00, 91st percentile | — | 0.00, 91st percentile | Compare Beloit Health System |
| 22 | West Allis Memorial Hospital | 0.17, 66th percentile | 1.03, 29th percentile | 0.84, 24th percentile | 1.28, 7th percentile | 1.28, 21st percentile | — | 0.95, 23rd percentile | Compare West Allis Memorial Hospital |
| 23 | Aspirus Riverview Hospital & Clinics Inc | 0.17, 65th percentile | 0.90, 73rd percentile | — | 0.00, 88th percentile | — | — | — | Compare Aspirus Riverview Hospital & Clinics Inc |
| 24 | Aurora Medical Center - Summit | 0.20, 62nd percentile | 0.93, 63rd percentile | 0.72, 30th percentile | 0.31, 59th percentile | 1.77, 9th percentile | — | 0.00, 91st percentile | Compare Aurora Medical Center - Summit |
| 25 | Mercy Health System Corp | 0.21, 60th percentile | 1.16, 13th percentile | 0.17, 75th percentile | 0.22, 66th percentile | 0.54, 62nd percentile | — | 0.58, 52nd percentile | Compare Mercy Health System Corp |
| 26 | Gundersen Lutheran Medical Center | 0.22, 59th percentile | 1.05, 26th percentile | 1.03, 14th percentile | 0.82, 19th percentile | 0.59, 58th percentile | — | 0.30, 74th percentile | Compare Gundersen Lutheran Medical Center |
| 27 | Community Memorial Hospital | 0.23, 58th percentile | 0.85, 85th percentile | 0.00, 90th percentile | 0.49, 41st percentile | 1.63, 11th percentile | — | 0.00, 91st percentile | Compare Community Memorial Hospital |
| 28 | SSM Health St Mary's Hospital - Madison | 0.25, 54th percentile | 0.90, 73rd percentile | 0.17, 75th percentile | 0.16, 71st percentile | 1.19, 24th percentile | 0.00, 89th percentile | 0.65, 45th percentile | Compare SSM Health St Mary's Hospital - Madison |
| 29 | Marshfield Medical Center - Weston | 0.26, 53rd percentile | 1.15, 14th percentile | 0.00, 90th percentile | 1.43, 5th percentile | 0.53, 62nd percentile | — | — | Compare Marshfield Medical Center - Weston |
| 30 | SSM Health St Agnes Hospital-Fond Du Lac | 0.29, 49th percentile | 1.06, 25th percentile | 0.98, 17th percentile | 0.00, 88th percentile | 0.00, 91st percentile | — | 0.00, 91st percentile | Compare SSM Health St Agnes Hospital-Fond Du Lac |
| 31 | Waukesha Memorial Hospital | 0.31, 46th percentile | 0.90, 73rd percentile | 0.00, 90th percentile | 0.16, 71st percentile | 1.22, 23rd percentile | — | 0.45, 64th percentile | Compare Waukesha Memorial Hospital |
| T32 | Aurora Medical Center Manitowoc County | 0.31, 45th percentile | 0.95, 55th percentile | — | — | — | — | — | Compare Aurora Medical Center Manitowoc County |
| T32 | Mayo Clinic Health System-Red Cedar Inc | 0.31, 45th percentile | — | — | — | — | — | — | Compare Mayo Clinic Health System-Red Cedar Inc |
| 34 | Ascension SE Wisconsin Hospital | 0.32, 44th percentile | 0.93, 63rd percentile | 0.20, 74th percentile | 0.00, 88th percentile | 0.18, 80th percentile | — | 0.00, 91st percentile | Compare Ascension SE Wisconsin Hospital |
| 35 | Aurora Medical Center Bay Area | 0.32, 44th percentile | 0.90, 73rd percentile | — | — | — | — | — | Compare Aurora Medical Center Bay Area |
| 36 | The Monroe Clinic | 0.37, 38th percentile | 0.93, 63rd percentile | — | — | 0.77, 46th percentile | — | — | Compare The Monroe Clinic |
| 37 | Aspirus Wausau Hospital | 0.38, 36th percentile | 0.97, 46th percentile | 0.00, 90th percentile | 0.46, 43rd percentile | 0.29, 76th percentile | — | 0.71, 41st percentile | Compare Aspirus Wausau Hospital |
| 38 | Mayo Clinic Health System Eau Claire Hospital | 0.39, 35th percentile | 0.68, 99th percentile | 0.33, 64th percentile | 1.10, 10th percentile | 1.11, 27th percentile | — | 0.56, 54th percentile | Compare Mayo Clinic Health System Eau Claire Hospital |
| 39 | Ascension NE Wisconsin - St Elizabeth Campus | 0.39, 35th percentile | 1.20, 10th percentile | 0.50, 49th percentile | 0.27, 62nd percentile | 0.50, 64th percentile | — | 0.00, 91st percentile | Compare Ascension NE Wisconsin - St Elizabeth Campus |
| 40 | Hudson Hospital | 0.41, 32nd percentile | — | — | — | — | — | — | Compare Hudson Hospital |
| 41 | St Nicholas Hospital | 0.42, 31st percentile | 0.93, 63rd percentile | — | — | — | — | — | Compare St Nicholas Hospital |
| 42 | Aurora Medical Center Sheboygan County | 0.44, 29th percentile | 0.87, 81st percentile | 0.00, 90th percentile | 2.02, 1st percentile | 1.38, 18th percentile | — | 0.00, 91st percentile | Compare Aurora Medical Center Sheboygan County |
| 43 | Oconomowoc Memorial Hospital | 0.45, 28th percentile | 0.88, 78th percentile | — | — | — | — | — | Compare Oconomowoc Memorial Hospital |
| 44 | Bellin Memorial Hospital | 0.47, 26th percentile | 1.30, 6th percentile | 0.34, 63rd percentile | 1.37, 6th percentile | 0.79, 45th percentile | — | 1.32, 11th percentile | Compare Bellin Memorial Hospital |
| 45 | Aurora Medical Center Oshkosh | 0.49, 25th percentile | 0.82, 90th percentile | 0.00, 90th percentile | 0.00, 88th percentile | — | — | — | Compare Aurora Medical Center Oshkosh |
| 46 | Aspirus Stevens Point Hospital & Clinics, Inc. | 0.49, 25th percentile | 1.16, 13th percentile | — | — | 0.00, 91st percentile | — | — | Compare Aspirus Stevens Point Hospital & Clinics, Inc. |
| 47 | Froedtert South Inc. | 0.50, 25th percentile | 1.18, 12th percentile | 0.78, 27th percentile | 0.76, 21st percentile | 0.67, 52nd percentile | — | 1.75, 5th percentile | Compare Froedtert South Inc. |
| 48 | St Marys Hospital Superior | 0.50, 25th percentile | — | — | — | — | — | — | Compare St Marys Hospital Superior |
| 49 | Ascension Columbia St Marys Hospital Milwaukee | 0.51, 24th percentile | 0.94, 59th percentile | 0.29, 67th percentile | 0.40, 51st percentile | 1.17, 25th percentile | — | 0.34, 72nd percentile | Compare Ascension Columbia St Marys Hospital Milwaukee |
| 50 | Mayo Clinic Health System-Northland | 0.52, 23rd percentile | — | — | — | — | — | — | Compare Mayo Clinic Health System-Northland |
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.
- C. diff infections
- Clostridium difficile (C. diff) intestinal infections (standardized infection ratio; 1.0 = national baseline).
- Serious complications
- Patient safety and adverse events composite (PSI 90; 1.0 = national value).
- Central line bloodstream infections
- Central line-associated bloodstream infections (CLABSI) in ICUs and select wards (standardized infection ratio; 1.0 = national baseline).
- Catheter-associated urinary tract infections
- Catheter-associated urinary tract infections (CAUTI) in ICUs and select wards (standardized infection ratio; 1.0 = national baseline).
- Surgical site infections (colon)
- Surgical site infections from colon surgery (standardized infection ratio; 1.0 = national baseline).
- Surgical site infections (hysterectomy)
- Surgical site infections from abdominal hysterectomy (standardized infection ratio; 1.0 = national baseline).
- MRSA bloodstream infections
- Methicillin-resistant Staphylococcus aureus (MRSA) blood laboratory-identified events (standardized infection ratio; 1.0 = national baseline).