Hospital rankings
Hospitals in Connecticut with the best net Medicare quality adjustments
25 Connecticut hospitals ranked by net Medicare quality adjustment in the 2026 Medicare (CMS) data. Leading: Sharon Hospital, Johnson Memorial Hospital, Greenwich Hospital Association -. Filter by type, ownership and size, choose the measures you care about, and sort by any column.
| # | Hospital | Net Medicare quality adjustmenthigher is better | Readmissions penaltyhigher is better | Hospital-acquired condition scorelower is better | Value-based purchasing scorehigher is better | Value-based purchasing adjustmenthigher is better | Compare |
|---|---|---|---|---|---|---|---|
| National average | −0.48% | −0.34% | 0.00 | 31 | +0.13% | ||
| 1 | Sharon Hospital | +1.10%, 94th percentile | −0.13%, 56th percentile | −0.90, 95th percentile | 47, 90th percentile | +1.23%, 90th percentile | Compare Sharon Hospital |
| 2 | Johnson Memorial Hospital | +0.77%, 90th percentile | −0.18%, 51st percentile | −0.41, 75th percentile | 43, 85th percentile | +0.95%, 85th percentile | Compare Johnson Memorial Hospital |
| 3 | Greenwich Hospital Association - | +0.39%, 83rd percentile | −0.58%, 20th percentile | −0.19, 60th percentile | 43, 86th percentile | +0.97%, 86th percentile | Compare Greenwich Hospital Association - |
| 4 | Lawrence & Memorial Hospital | +0.17%, 78th percentile | 0.00%, 89th percentile | +0.16, 37th percentile | 31, 58th percentile | +0.17%, 58th percentile | Compare Lawrence & Memorial Hospital |
| 5 | Griffin Hospital | +0.15%, 78th percentile | 0.00%, 89th percentile | +0.29, 30th percentile | 31, 57th percentile | +0.15%, 57th percentile | Compare Griffin Hospital |
| 6 | Stamford Hospital | +0.09%, 76th percentile | −0.05%, 69th percentile | −0.45, 76th percentile | 31, 56th percentile | +0.14%, 56th percentile | Compare Stamford Hospital |
| 7 | William W Backus Hospital | +0.01%, 74th percentile | −0.14%, 55th percentile | −0.78, 90th percentile | 31, 57th percentile | +0.15%, 56th percentile | Compare William W Backus Hospital |
| 8 | Manchester Memorial Hospital | −0.02%, 66th percentile | −0.13%, 56th percentile | −0.85, 93rd percentile | 31, 54th percentile | +0.11%, 54th percentile | Compare Manchester Memorial Hospital |
| 9 | Yale-New Haven Hospital | −0.04%, 65th percentile | −0.04%, 71st percentile | −0.12, 55th percentile | — | — | Compare Yale-New Haven Hospital |
| 10 | Charlotte Hungerford Hospital | −0.22%, 58th percentile | −1.08%, 7th percentile | −0.30, 68th percentile | 42, 83rd percentile | +0.86%, 83rd percentile | Compare Charlotte Hungerford Hospital |
| 11 | Windham Community Memorial Hospital | −0.41%, 50th percentile | −0.16%, 53rd percentile | −0.51, 80th percentile | 25, 35th percentile | −0.25%, 35th percentile | Compare Windham Community Memorial Hospital |
| 12 | Saint Mary's Hospital | −0.46%, 48th percentile | −0.03%, 73rd percentile | −0.37, 72nd percentile | 23, 27th percentile | −0.43%, 27th percentile | Compare Saint Mary's Hospital |
| 13 | MidState Medical Center | −0.53%, 46th percentile | −0.62%, 18th percentile | −0.94, 95th percentile | 30, 53rd percentile | +0.09%, 53rd percentile | Compare MidState Medical Center |
| 14 | Danbury Hospital | −0.58%, 44th percentile | −0.33%, 37th percentile | −0.46, 78th percentile | 25, 35th percentile | −0.25%, 35th percentile | Compare Danbury Hospital |
| 15 | Hartford Hospital | −0.66%, 41st percentile | −0.81%, 12th percentile | −0.51, 80th percentile | 31, 57th percentile | +0.15%, 57th percentile | Compare Hartford Hospital |
| 16 | The Hospital Of Central Connecticut | −0.67%, 40th percentile | −0.14%, 55th percentile | −0.26, 65th percentile | 21, 21st percentile | −0.53%, 21st percentile | Compare The Hospital Of Central Connecticut |
| 17 | Norwalk Hospital | −0.71%, 39th percentile | −0.48%, 26th percentile | −0.15, 58th percentile | 26, 36th percentile | −0.23%, 36th percentile | Compare Norwalk Hospital |
| 18 | Bridgeport Hospital | −0.78%, 37th percentile | −0.93%, 9th percentile | +0.02, 46th percentile | 31, 57th percentile | +0.15%, 57th percentile | Compare Bridgeport Hospital |
| 19 | St Vincent's Medical Center | −0.81%, 35th percentile | −0.35%, 35th percentile | −0.16, 59th percentile | 22, 25th percentile | −0.46%, 25th percentile | Compare St Vincent's Medical Center |
| 20 | Waterbury Hospital | −0.92%, 32nd percentile | −0.37%, 33rd percentile | +0.01, 47th percentile | 21, 20th percentile | −0.55%, 20th percentile | Compare Waterbury Hospital |
| 21 | Bristol Hospital | −0.95%, 31st percentile | −0.61%, 19th percentile | −0.09, 53rd percentile | 24, 31st percentile | −0.34%, 31st percentile | Compare Bristol Hospital |
| 22 | John Dempsey Hospital Of The University Of Connect | −1.21%, 22nd percentile | −0.09%, 62nd percentile | +0.41, 24th percentile | 27, 42nd percentile | −0.12%, 42nd percentile | Compare John Dempsey Hospital Of The University Of Connect |
| 23 | St Francis Hospital & Medical Center | −1.33%, 19th percentile | −0.33%, 37th percentile | +0.48, 21st percentile | — | — | Compare St Francis Hospital & Medical Center |
| 24 | Middlesex Hospital | −1.63%, 13th percentile | −1.45%, 3rd percentile | −0.22, 62nd percentile | 26, 39th percentile | −0.18%, 39th percentile | Compare Middlesex Hospital |
| 25 | Day Kimball Hospital | −2.94%, 1st percentile | −1.28%, 5th percentile | +0.87, 9th percentile | 19, 15th percentile | −0.66%, 15th percentile | Compare Day Kimball 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.
- Net Medicare quality adjustment
- Approximate combined change to the hospital's Medicare inpatient payments from the three pay-for-performance programs, added together: the readmissions penalty, the value-based purchasing bonus or penalty, and the 1% cut for hospital-acquired conditions. Inpatient prospective payment system hospitals only; Maryland hospitals are exempt..
- Readmissions penalty
- Change to Medicare payments under the Hospital Readmissions Reduction Program, which cuts payments (by up to 3%) to hospitals with more readmissions than expected. 0% means no penalty..
- Hospital-acquired condition score
- Total score in the Hospital-Acquired Condition Reduction Program, from patient safety events and infections (weighted z-scores; 0 is about average, higher is worse). Medicare cuts payments 1% for the worst-scoring quarter of hospitals..
- Value-based purchasing score
- Hospital Value-Based Purchasing Total Performance Score (0-100), from outcomes, safety, patient experience and efficiency. It sets a Medicare bonus or penalty..
- Value-based purchasing adjustment
- Change to Medicare payments under Hospital Value-Based Purchasing: a bonus (positive) or penalty (negative, up to 2%) based on the Total Performance Score..