Hospital rankings
Hospitals in Wisconsin with the lowest surgical site infections (colon)
34 Wisconsin hospitals ranked by surgical site infections (colon) in the 2026 Medicare (CMS) data. Leading: Aspirus Stevens Point Hospital & Clinics, Inc., SSM Health St Agnes Hospital-Fond Du Lac, Beloit Health System. Filter by type, ownership and size, choose the measures you care about, and sort by any column.
| # | Hospital | Surgical site infections (colon)lower is better | Serious complicationslower is better | Central line bloodstream infectionslower is better | Catheter-associated urinary tract infectionslower is better | Surgical site infections (hysterectomy)lower is better | MRSA bloodstream infectionslower is better | C. diff infectionslower is better | Compare |
|---|---|---|---|---|---|---|---|---|---|
| National average | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||
| T1 | Aspirus Stevens Point Hospital & Clinics, Inc. | 0.00, 91st percentile | 1.16, 13th percentile | — | — | — | — | 0.49, 25th percentile | Compare Aspirus Stevens Point Hospital & Clinics, Inc. |
| T1 | SSM Health St Agnes Hospital-Fond Du Lac | 0.00, 91st percentile | 1.06, 25th percentile | 0.98, 17th percentile | 0.00, 88th percentile | — | 0.00, 91st percentile | 0.29, 49th percentile | Compare SSM Health St Agnes Hospital-Fond Du Lac |
| T1 | Beloit Health System | 0.00, 91st percentile | 1.29, 7th percentile | 0.00, 90th percentile | 0.00, 88th percentile | — | 0.00, 91st percentile | 0.17, 66th percentile | Compare Beloit Health System |
| 4 | Ascension SE Wisconsin Hospital | 0.18, 80th percentile | 0.93, 63rd percentile | 0.20, 74th percentile | 0.00, 88th percentile | — | 0.00, 91st percentile | 0.32, 44th percentile | Compare Ascension SE Wisconsin Hospital |
| 5 | St Vincent Hospital | 0.20, 79th percentile | 1.24, 8th percentile | 0.08, 79th percentile | 0.70, 24th percentile | — | 0.44, 64th percentile | 0.71, 12th percentile | Compare St Vincent Hospital |
| 6 | Thedacare Regional Medical Center - Appleton Inc | 0.24, 78th percentile | 1.54, 2nd percentile | 0.17, 76th percentile | 0.46, 43rd percentile | — | 1.20, 14th percentile | 0.79, 10th percentile | Compare Thedacare Regional Medical Center - Appleton Inc |
| 7 | Aspirus Wausau Hospital | 0.29, 76th percentile | 0.97, 46th percentile | 0.00, 90th percentile | 0.46, 43rd percentile | — | 0.71, 41st percentile | 0.38, 36th percentile | Compare Aspirus Wausau Hospital |
| 8 | Marshfield Medical Center | 0.41, 69th percentile | 1.79, 1st percentile | 0.34, 63rd percentile | 0.32, 58th percentile | — | 0.18, 80th percentile | 0.73, 11th percentile | Compare Marshfield Medical Center |
| 9 | Thedacare Regional Medical Center - Neenah | 0.45, 67th percentile | 1.08, 22nd percentile | 0.00, 90th percentile | 0.30, 60th percentile | — | 0.00, 91st percentile | 0.73, 12th percentile | Compare Thedacare Regional Medical Center - Neenah |
| 10 | Ascension NE Wisconsin - St Elizabeth Campus | 0.50, 64th percentile | 1.20, 10th percentile | 0.50, 49th percentile | 0.27, 62nd percentile | — | 0.00, 91st percentile | 0.39, 35th percentile | Compare Ascension NE Wisconsin - St Elizabeth Campus |
| 11 | Marshfield Medical Center - Weston | 0.53, 62nd percentile | 1.15, 14th percentile | 0.00, 90th percentile | 1.43, 5th percentile | — | — | 0.26, 53rd percentile | Compare Marshfield Medical Center - Weston |
| 12 | Mercy Health System Corp | 0.54, 62nd percentile | 1.16, 13th percentile | 0.17, 75th percentile | 0.22, 66th percentile | — | 0.58, 52nd percentile | 0.21, 60th percentile | Compare Mercy Health System Corp |
| 13 | Gundersen Lutheran Medical Center | 0.59, 58th percentile | 1.05, 26th percentile | 1.03, 14th percentile | 0.82, 19th percentile | — | 0.30, 74th percentile | 0.22, 59th percentile | Compare Gundersen Lutheran Medical Center |
| 14 | Mayo Clinic Health System-Franciscan Medical Center Inc | 0.62, 56th percentile | 0.85, 85th percentile | 0.00, 90th percentile | 0.00, 88th percentile | — | 0.00, 91st percentile | 0.55, 21st percentile | Compare Mayo Clinic Health System-Franciscan Medical Center Inc |
| 15 | Froedtert South Inc. | 0.67, 52nd percentile | 1.18, 12th percentile | 0.78, 27th percentile | 0.76, 21st percentile | — | 1.75, 5th percentile | 0.50, 25th percentile | Compare Froedtert South Inc. |
| 16 | Ascension All Saints Hospital | 0.74, 48th percentile | 0.86, 83rd percentile | 1.74, 4th percentile | 0.45, 45th percentile | — | 0.00, 91st percentile | 0.62, 17th percentile | Compare Ascension All Saints Hospital |
| 17 | The Monroe Clinic | 0.77, 46th percentile | 0.93, 63rd percentile | — | — | — | — | 0.37, 38th percentile | Compare The Monroe Clinic |
| 18 | Bellin Memorial Hospital | 0.79, 45th percentile | 1.30, 6th percentile | 0.34, 63rd percentile | 1.37, 6th percentile | — | 1.32, 11th percentile | 0.47, 26th percentile | Compare Bellin Memorial Hospital |
| 19 | Aurora BayCare Medical Center | 0.89, 37th percentile | 1.01, 33rd percentile | 1.40, 7th percentile | 0.40, 50th percentile | 1.73, 20th percentile | 0.43, 65th percentile | 0.91, 7th percentile | Compare Aurora BayCare Medical Center |
| 20 | Aurora Medical Center Kenosha | 0.96, 33rd percentile | 1.20, 10th percentile | 0.42, 56th percentile | 0.75, 22nd percentile | — | 0.00, 91st percentile | 0.13, 71st percentile | Compare Aurora Medical Center Kenosha |
| 21 | Mayo Clinic Health System Eau Claire Hospital | 1.11, 27th percentile | 0.68, 99th percentile | 0.33, 64th percentile | 1.10, 10th percentile | — | 0.56, 54th percentile | 0.39, 35th percentile | Compare Mayo Clinic Health System Eau Claire Hospital |
| 22 | Ascension Columbia St Marys Hospital Milwaukee | 1.17, 25th percentile | 0.94, 59th percentile | 0.29, 67th percentile | 0.40, 51st percentile | — | 0.34, 72nd percentile | 0.51, 24th percentile | Compare Ascension Columbia St Marys Hospital Milwaukee |
| 23 | Aurora Medical Center | 1.18, 24th percentile | 1.05, 26th percentile | 0.00, 90th percentile | 0.49, 41st percentile | — | 0.59, 51st percentile | 0.91, 7th percentile | Compare Aurora Medical Center |
| 24 | SSM Health St Mary's Hospital - Madison | 1.19, 24th percentile | 0.90, 73rd percentile | 0.17, 75th percentile | 0.16, 71st percentile | 0.00, 89th percentile | 0.65, 45th percentile | 0.25, 54th percentile | Compare SSM Health St Mary's Hospital - Madison |
| 25 | Waukesha Memorial Hospital | 1.22, 23rd percentile | 0.90, 73rd percentile | 0.00, 90th percentile | 0.16, 71st percentile | — | 0.45, 64th percentile | 0.31, 46th percentile | Compare Waukesha Memorial Hospital |
| 26 | Froedtert Memorial Lutheran Hospital | 1.23, 23rd percentile | 0.78, 95th percentile | 0.68, 33rd percentile | 0.40, 51st percentile | 1.62, 24th percentile | 0.92, 25th percentile | 0.59, 18th percentile | Compare Froedtert Memorial Lutheran Hospital |
| 27 | West Allis Memorial Hospital | 1.28, 21st percentile | 1.03, 29th percentile | 0.84, 24th percentile | 1.28, 7th percentile | — | 0.95, 23rd percentile | 0.17, 66th percentile | Compare West Allis Memorial Hospital |
| 28 | Aurora Medical Center Sheboygan County | 1.38, 18th percentile | 0.87, 81st percentile | 0.00, 90th percentile | 2.02, 1st percentile | — | 0.00, 91st percentile | 0.44, 29th percentile | Compare Aurora Medical Center Sheboygan County |
| 29 | Aurora St Lukes Medical Center | 1.40, 17th percentile | 1.09, 20th percentile | 0.83, 24th percentile | 0.71, 24th percentile | 0.58, 67th percentile | 0.59, 51st percentile | 0.55, 21st percentile | Compare Aurora St Lukes Medical Center |
| 30 | University Of Wisconsin Hospitals & Clinics Authority | 1.52, 14th percentile | 1.04, 28th percentile | 0.59, 40th percentile | 0.48, 41st percentile | 0.41, 74th percentile | 0.71, 41st percentile | 0.61, 17th percentile | Compare University Of Wisconsin Hospitals & Clinics Authority |
| 31 | Marshfield Medical Center - Eau Claire | 1.53, 13th percentile | 1.07, 23rd percentile | — | — | — | — | 2.10, 1st percentile | Compare Marshfield Medical Center - Eau Claire |
| 32 | UnityPoint Health - Meriter | 1.61, 12th percentile | 0.83, 89th percentile | 0.31, 65th percentile | 0.36, 54th percentile | 2.21, 11th percentile | 0.16, 80th percentile | 0.67, 14th percentile | Compare UnityPoint Health - Meriter |
| 33 | Community Memorial Hospital | 1.63, 11th percentile | 0.85, 85th percentile | 0.00, 90th percentile | 0.49, 41st percentile | — | 0.00, 91st percentile | 0.23, 58th percentile | Compare Community Memorial Hospital |
| 34 | Aurora Medical Center - Summit | 1.77, 9th percentile | 0.93, 63rd percentile | 0.72, 30th percentile | 0.31, 59th percentile | — | 0.00, 91st percentile | 0.20, 62nd percentile | Compare Aurora Medical Center - Summit |
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.
- Surgical site infections (colon)
- Surgical site infections from colon surgery (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 (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).
- C. diff infections
- Clostridium difficile (C. diff) intestinal infections (standardized infection ratio; 1.0 = national baseline).