Hospital rankings
Hospitals in Connecticut with the lowest hospital-wide readmission rate
26 Connecticut hospitals ranked by hospital-wide readmission rate in the 2025 Medicare (CMS) data. Leading: Griffin Hospital, St Vincent's Medical Center, Stamford Hospital. Filter by type, ownership and size, choose the measures you care about, and sort by any column.
| # | Hospital | Hospital-wide readmission ratelower is better · 2025 data | 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 | Compare |
|---|---|---|---|---|---|---|---|---|---|
| National average | 15.0% | 11.9% | 11.1% | 15.2% | 8.6% | 2.4% | 11.9% | ||
| 1 | Griffin Hospital | 13.6%, 97th percentile | 11.1%, 74th percentile | 11.6%, 37th percentile | 14.7%, 58th percentile | 6.6%, 94th percentile | — | 13.5%, 23rd percentile | Compare Griffin Hospital |
| 2 | St Vincent's Medical Center | 14.0%, 93rd percentile | 11.0%, 77th percentile | 12.5%, 22nd percentile | 18.0%, 14th percentile | 9.8%, 18th percentile | 3.1%, 16th percentile | 8.9%, 94th percentile | Compare St Vincent's Medical Center |
| 3 | Stamford Hospital | 14.1%, 91st percentile | 11.1%, 74th percentile | 11.6%, 37th percentile | 12.4%, 88th percentile | 7.5%, 78th percentile | 2.7%, 28th percentile | 10.4%, 73rd percentile | Compare Stamford Hospital |
| 4 | Yale-New Haven Hospital | 14.2%, 89th percentile | 9.4%, 99th percentile | 7.1%, 98th percentile | 10.4%, 98th percentile | 7.5%, 78th percentile | 1.6%, 93rd percentile | 11.6%, 51st percentile | Compare Yale-New Haven Hospital |
| T5 | Sharon Hospital | 14.3%, 86th percentile | — | 11.3%, 44th percentile | 11.1%, 96th percentile | 9.8%, 18th percentile | — | 10.2%, 77th percentile | Compare Sharon Hospital |
| T5 | Lawrence & Memorial Hospital | 14.3%, 86th percentile | 11.1%, 74th percentile | 9.7%, 75th percentile | 12.9%, 83rd percentile | 7.6%, 75th percentile | — | 13.4%, 24th percentile | Compare Lawrence & Memorial Hospital |
| 7 | William W Backus Hospital | 14.4%, 83rd percentile | 11.5%, 62nd percentile | 10.2%, 66th percentile | 15.4%, 46th percentile | 7.7%, 72nd percentile | — | 9.9%, 82nd percentile | Compare William W Backus Hospital |
| 8 | The Hospital Of Central Connecticut | 14.6%, 74th percentile | 12.7%, 21st percentile | 12.4%, 23rd percentile | 13.0%, 82nd percentile | 7.4%, 80th percentile | — | 11.0%, 62nd percentile | Compare The Hospital Of Central Connecticut |
| T9 | Greenwich Hospital Association - | 14.7%, 68th percentile | 10.7%, 85th percentile | 6.5%, 99th percentile | 10.9%, 97th percentile | 6.3%, 97th percentile | — | 8.8%, 95th percentile | Compare Greenwich Hospital Association - |
| T9 | Middlesex Hospital | 14.7%, 68th percentile | — | 12.7%, 19th percentile | 15.3%, 48th percentile | 8.5%, 49th percentile | — | 10.7%, 68th percentile | Compare Middlesex Hospital |
| T9 | Norwalk Hospital | 14.7%, 68th percentile | 10.9%, 80th percentile | 10.7%, 56th percentile | 14.0%, 69th percentile | 7.3%, 83rd percentile | — | 9.1%, 92nd percentile | Compare Norwalk Hospital |
| T12 | John Dempsey Hospital Of The University Of Connect | 14.8%, 61st percentile | 12.6%, 23rd percentile | 12.4%, 23rd percentile | 11.9%, 92nd percentile | 8.0%, 63rd percentile | — | 10.5%, 71st percentile | Compare John Dempsey Hospital Of The University Of Connect |
| T12 | St Francis Hospital & Medical Center | 14.8%, 61st percentile | 11.6%, 58th percentile | 11.9%, 32nd percentile | 16.3%, 33rd percentile | 9.9%, 16th percentile | 2.5%, 38th percentile | 13.0%, 28th percentile | Compare St Francis Hospital & Medical Center |
| T12 | Waterbury Hospital | 14.8%, 61st percentile | 11.7%, 54th percentile | 12.4%, 23rd percentile | 11.3%, 95th percentile | 12.1%, 2nd percentile | — | 17.7%, 4th percentile | Compare Waterbury Hospital |
| T15 | Manchester Memorial Hospital | 14.9%, 54th percentile | — | 9.5%, 79th percentile | 12.6%, 86th percentile | 8.1%, 61st percentile | — | 11.7%, 49th percentile | Compare Manchester Memorial Hospital |
| T15 | MidState Medical Center | 14.9%, 54th percentile | 12.2%, 35th percentile | 12.2%, 27th percentile | 16.5%, 30th percentile | 8.9%, 38th percentile | — | 11.8%, 47th percentile | Compare MidState Medical Center |
| T17 | Windham Community Memorial Hospital | 15.2%, 34th percentile | — | 11.2%, 46th percentile | 14.1%, 67th percentile | 7.9%, 66th percentile | — | 10.5%, 71st percentile | Compare Windham Community Memorial Hospital |
| T17 | Day Kimball Hospital | 15.2%, 34th percentile | — | 10.5%, 60th percentile | 17.8%, 15th percentile | 8.2%, 58th percentile | — | 13.1%, 27th percentile | Compare Day Kimball Hospital |
| 19 | Danbury Hospital | 15.4%, 23rd percentile | 12.7%, 21st percentile | 9.4%, 81st percentile | 15.6%, 43rd percentile | 7.9%, 66th percentile | 2.2%, 55th percentile | 8.1%, 98th percentile | Compare Danbury Hospital |
| T20 | Hartford Hospital | 15.5%, 19th percentile | 9.6%, 98th percentile | 10.8%, 54th percentile | 12.6%, 86th percentile | 7.7%, 72nd percentile | 1.9%, 78th percentile | 10.1%, 79th percentile | Compare Hartford Hospital |
| T20 | Saint Mary's Hospital | 15.5%, 19th percentile | 10.8%, 83rd percentile | 11.8%, 34th percentile | 16.0%, 38th percentile | 8.4%, 52nd percentile | — | 14.7%, 13th percentile | Compare Saint Mary's Hospital |
| T22 | Bridgeport Hospital | 15.6%, 16th percentile | 12.3%, 32nd percentile | 8.5%, 91st percentile | 10.5%, 98th percentile | 6.2%, 97th percentile | 2.1%, 62nd percentile | 11.3%, 56th percentile | Compare Bridgeport Hospital |
| T22 | West Haven VA Medical Center | 15.6%, 16th percentile | 12.6%, 23rd percentile | 7.4%, 97th percentile | 11.6%, 94th percentile | 7.2%, 85th percentile | — | — | Compare West Haven VA Medical Center |
| T24 | Johnson Memorial Hospital | 16.0%, 7th percentile | — | 12.8%, 18th percentile | 15.3%, 48th percentile | 7.8%, 69th percentile | — | — | Compare Johnson Memorial Hospital |
| T24 | Bristol Hospital | 16.0%, 7th percentile | — | 10.8%, 54th percentile | 19.4%, 6th percentile | 8.9%, 38th percentile | — | 13.1%, 27th percentile | Compare Bristol Hospital |
| 26 | Charlotte Hungerford Hospital | 16.1%, 6th percentile | — | 13.0%, 15th percentile | 13.0%, 82nd percentile | 6.6%, 94th percentile | — | 13.1%, 27th percentile | Compare Charlotte Hungerford 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.
- 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.
- 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.