Hospital rankings
Hospitals in New Hampshire with the lowest surgical site infections (colon)
11 New Hampshire hospitals ranked by surgical site infections (colon) in the 2026 Medicare (CMS) data. Leading: Catholic Medical Center, Cheshire Medical Center, Wentworth-Douglass Hospital. 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 | Catholic Medical Center | 0.00, 91st percentile | 1.39, 4th percentile | 0.00, 90th percentile | 0.56, 35th percentile | — | 0.36, 70th percentile | 0.62, 17th percentile | Compare Catholic Medical Center |
| T1 | Cheshire Medical Center | 0.00, 91st percentile | 1.01, 33rd percentile | — | 0.86, 16th percentile | — | 0.00, 91st percentile | 0.47, 27th percentile | Compare Cheshire Medical Center |
| T1 | Wentworth-Douglass Hospital | 0.00, 91st percentile | 0.75, 97th percentile | 0.62, 37th percentile | 0.60, 31st percentile | — | 0.00, 91st percentile | 0.35, 39th percentile | Compare Wentworth-Douglass Hospital |
| T1 | Concord Hospital | 0.00, 91st percentile | 0.96, 51st percentile | 0.27, 69th percentile | 0.54, 37th percentile | — | 0.25, 77th percentile | 0.77, 10th percentile | Compare Concord Hospital |
| 5 | Exeter Hospital Inc | 0.23, 78th percentile | 1.00, 35th percentile | 0.00, 90th percentile | 1.38, 5th percentile | — | 0.67, 44th percentile | 0.29, 49th percentile | Compare Exeter Hospital Inc |
| 6 | Concord Hospital- Laconia | 0.47, 66th percentile | 0.94, 59th percentile | — | 0.69, 25th percentile | — | — | 0.83, 9th percentile | Compare Concord Hospital- Laconia |
| 7 | Elliot Hospital | 1.05, 30th percentile | 1.31, 6th percentile | 0.00, 90th percentile | 0.96, 12th percentile | 1.51, 26th percentile | 0.27, 76th percentile | 0.43, 30th percentile | Compare Elliot Hospital |
| 8 | Portsmouth Regional Hospital | 1.05, 29th percentile | 0.94, 59th percentile | 0.37, 60th percentile | 0.25, 64th percentile | — | 0.00, 91st percentile | 0.29, 48th percentile | Compare Portsmouth Regional Hospital |
| 9 | Southern NH Medical Center | 1.12, 27th percentile | 1.02, 31st percentile | 0.72, 30th percentile | 0.44, 45th percentile | — | 0.60, 49th percentile | 0.26, 52nd percentile | Compare Southern NH Medical Center |
| 10 | St Joseph Hospital | 1.45, 15th percentile | 0.92, 67th percentile | 0.39, 59th percentile | 0.56, 35th percentile | — | 0.42, 66th percentile | 0.29, 48th percentile | Compare St Joseph Hospital |
| 11 | Mary Hitchcock Memorial Hospital | 1.70, 10th percentile | 1.18, 12th percentile | 0.79, 26th percentile | 0.37, 52nd percentile | 3.35, 3rd percentile | 0.44, 64th percentile | 0.48, 26th percentile | Compare Mary Hitchcock Memorial Hospital |
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).