Hospital rankings
Hospitals in Connecticut with the lowest heart attack death rate
18 Connecticut hospitals ranked by heart attack death rate in the 2026 Medicare (CMS) data. Leading: Yale-New Haven Hospital, Hartford Hospital, Greenwich Hospital Association -. Filter by type, ownership and size, choose the measures you care about, and sort by any column.
| # | Hospital | Heart attack death ratelower is better | Heart failure death ratelower is better | Pneumonia death ratelower is better | COPD death ratelower is better | CABG surgery death ratelower is better | Stroke death ratelower is better | Hospital-wide readmission ratelower is better · 2025 data | Compare |
|---|---|---|---|---|---|---|---|---|---|
| National average | 11.9% | 11.1% | 15.2% | 8.6% | 2.4% | 11.9% | 15.0% | ||
| 1 | Yale-New Haven Hospital | 9.4%, 99th percentile | 7.1%, 98th percentile | 10.4%, 98th percentile | 7.5%, 78th percentile | 1.6%, 93rd percentile | 11.6%, 51st percentile | 14.2%, 89th percentile | Compare Yale-New Haven Hospital |
| 2 | Hartford Hospital | 9.6%, 98th percentile | 10.8%, 54th percentile | 12.6%, 86th percentile | 7.7%, 72nd percentile | 1.9%, 78th percentile | 10.1%, 79th percentile | 15.5%, 19th percentile | Compare Hartford Hospital |
| 3 | Greenwich Hospital Association - | 10.7%, 85th percentile | 6.5%, 99th percentile | 10.9%, 97th percentile | 6.3%, 97th percentile | — | 8.8%, 95th percentile | 14.7%, 68th percentile | Compare Greenwich Hospital Association - |
| 4 | Saint Mary's Hospital | 10.8%, 83rd percentile | 11.8%, 34th percentile | 16.0%, 38th percentile | 8.4%, 52nd percentile | — | 14.7%, 13th percentile | 15.5%, 19th percentile | Compare Saint Mary's Hospital |
| 5 | Norwalk Hospital | 10.9%, 80th percentile | 10.7%, 56th percentile | 14.0%, 69th percentile | 7.3%, 83rd percentile | — | 9.1%, 92nd percentile | 14.7%, 68th percentile | Compare Norwalk Hospital |
| 6 | St Vincent's Medical Center | 11.0%, 77th percentile | 12.5%, 22nd percentile | 18.0%, 14th percentile | 9.8%, 18th percentile | 3.1%, 16th percentile | 8.9%, 94th percentile | 14.0%, 93rd percentile | Compare St Vincent's Medical Center |
| T7 | Stamford Hospital | 11.1%, 74th percentile | 11.6%, 37th percentile | 12.4%, 88th percentile | 7.5%, 78th percentile | 2.7%, 28th percentile | 10.4%, 73rd percentile | 14.1%, 91st percentile | Compare Stamford Hospital |
| T7 | Griffin Hospital | 11.1%, 74th percentile | 11.6%, 37th percentile | 14.7%, 58th percentile | 6.6%, 94th percentile | — | 13.5%, 23rd percentile | 13.6%, 97th percentile | Compare Griffin Hospital |
| T7 | Lawrence & Memorial Hospital | 11.1%, 74th percentile | 9.7%, 75th percentile | 12.9%, 83rd percentile | 7.6%, 75th percentile | — | 13.4%, 24th percentile | 14.3%, 86th percentile | Compare Lawrence & Memorial Hospital |
| 10 | William W Backus Hospital | 11.5%, 62nd percentile | 10.2%, 66th percentile | 15.4%, 46th percentile | 7.7%, 72nd percentile | — | 9.9%, 82nd percentile | 14.4%, 83rd percentile | Compare William W Backus Hospital |
| 11 | St Francis Hospital & Medical Center | 11.6%, 58th percentile | 11.9%, 32nd percentile | 16.3%, 33rd percentile | 9.9%, 16th percentile | 2.5%, 38th percentile | 13.0%, 28th percentile | 14.8%, 61st percentile | Compare St Francis Hospital & Medical Center |
| 12 | Waterbury Hospital | 11.7%, 54th percentile | 12.4%, 23rd percentile | 11.3%, 95th percentile | 12.1%, 2nd percentile | — | 17.7%, 4th percentile | 14.8%, 61st percentile | Compare Waterbury Hospital |
| 13 | MidState Medical Center | 12.2%, 35th percentile | 12.2%, 27th percentile | 16.5%, 30th percentile | 8.9%, 38th percentile | — | 11.8%, 47th percentile | 14.9%, 54th percentile | Compare MidState Medical Center |
| 14 | Bridgeport Hospital | 12.3%, 32nd percentile | 8.5%, 91st percentile | 10.5%, 98th percentile | 6.2%, 97th percentile | 2.1%, 62nd percentile | 11.3%, 56th percentile | 15.6%, 16th percentile | Compare Bridgeport Hospital |
| T15 | John Dempsey Hospital Of The University Of Connect | 12.6%, 23rd percentile | 12.4%, 23rd percentile | 11.9%, 92nd percentile | 8.0%, 63rd percentile | — | 10.5%, 71st percentile | 14.8%, 61st percentile | Compare John Dempsey Hospital Of The University Of Connect |
| T15 | West Haven VA Medical Center | 12.6%, 23rd percentile | 7.4%, 97th percentile | 11.6%, 94th percentile | 7.2%, 85th percentile | — | — | 15.6%, 16th percentile | Compare West Haven VA Medical Center |
| T17 | Danbury Hospital | 12.7%, 21st percentile | 9.4%, 81st percentile | 15.6%, 43rd percentile | 7.9%, 66th percentile | 2.2%, 55th percentile | 8.1%, 98th percentile | 15.4%, 23rd percentile | Compare Danbury Hospital |
| T17 | The Hospital Of Central Connecticut | 12.7%, 21st percentile | 12.4%, 23rd percentile | 13.0%, 82nd percentile | 7.4%, 80th percentile | — | 11.0%, 62nd percentile | 14.6%, 74th percentile | Compare The Hospital Of Central Connecticut |
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.
- 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.
- CABG surgery death rate
- 30-day death rate for CABG surgery 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.