Hospital rankings
Hospitals in New Hampshire with the lowest CABG surgery death rate
4 New Hampshire hospitals ranked by CABG surgery death rate in the 2026 Medicare (CMS) data. Leading: Catholic Medical Center, Mary Hitchcock Memorial Hospital, Concord Hospital. Filter by type, ownership and size, choose the measures you care about, and sort by any column.
| # | Hospital | CABG surgery death ratelower is better | Heart attack death ratelower is better | Heart failure death ratelower is better | Pneumonia death ratelower is better | COPD death ratelower is better | Stroke death ratelower is better | Hospital-wide readmission ratelower is better · 2025 data | Compare |
|---|---|---|---|---|---|---|---|---|---|
| National average | 2.4% | 11.9% | 11.1% | 15.2% | 8.6% | 11.9% | 15.0% | ||
| 1 | Catholic Medical Center | 1.6%, 93rd percentile | 10.1%, 95th percentile | 9.0%, 86th percentile | 11.1%, 96th percentile | 7.8%, 69th percentile | 13.5%, 23rd percentile | 15.7%, 13th percentile | Compare Catholic Medical Center |
| 2 | Mary Hitchcock Memorial Hospital | 2.1%, 62nd percentile | 11.3%, 68th percentile | 10.4%, 62nd percentile | 13.9%, 70th percentile | 7.0%, 88th percentile | 12.5%, 36th percentile | 15.2%, 34th percentile | Compare Mary Hitchcock Memorial Hospital |
| T3 | Concord Hospital | 2.4%, 44th percentile | 13.5%, 8th percentile | 12.6%, 20th percentile | 16.6%, 29th percentile | 10.6%, 9th percentile | 14.2%, 16th percentile | 15.2%, 34th percentile | Compare Concord Hospital |
| T3 | Portsmouth Regional Hospital | 2.4%, 44th percentile | 10.9%, 80th percentile | 13.1%, 14th percentile | 14.6%, 60th percentile | 10.9%, 7th percentile | 12.0%, 44th percentile | 15.4%, 23rd percentile | Compare Portsmouth Regional 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.
- CABG surgery death rate
- 30-day death rate for CABG surgery patients.
- Heart attack death rate
- 30-day death rate for heart attack patients.
- Heart failure death rate
- 30-day death rate for heart failure patients.
- Pneumonia death rate
- 30-day death rate for pneumonia patients.
- COPD death rate
- 30-day death rate for COPD patients.
- Stroke death rate
- 30-day death rate for stroke 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.