Hospital rankings

Hospitals in Connecticut with the lowest serious complications

26 Connecticut hospitals ranked by serious complications in the 2026 Medicare (CMS) data. Leading: Hartford Hospital, Yale-New Haven Hospital, MidState Medical Center. Filter by type, ownership and size, choose the measures you care about, and sort by any column.

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26 hospitals ranked in Connecticut by serious complications; 10 more match but have no reported value.

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Hospital rankings, page 1 of 1. Columns can be sorted.
#	Hospital	Serious complicationslower is better	Overall star ratinghigher is better	Patient survey star ratinghigher is better	Heart attack death ratelower is better	Heart failure death ratelower is better	Hospital-wide readmission ratelower is better · 2025 data	Time in emergency departmentlower is better	Medicare spending per patientlower is better	Total beds	Compare
	National average	1.00		3.3	11.9%	11.1%	15.0%	162 min	1.00
1	Hartford HospitalHartford, CT · Acute care	0.67, 99th percentile	4, 73rd percentile	2, 10th percentile	9.6%, 98th percentile	10.8%, 54th percentile	15.5%, 19th percentile	269 min, 3rd percentile	1.02, 33rd percentile	819	Compare Hartford Hospital
2	Yale-New Haven HospitalNew Haven, CT · Acute care	0.70, 98th percentile	5, 94th percentile	3, 39th percentile	9.4%, 99th percentile	7.1%, 98th percentile	14.2%, 89th percentile	198 min, 20th percentile	0.99, 50th percentile	874	Compare Yale-New Haven Hospital
3	MidState Medical CenterMeriden, CT · Acute care	0.71, 98th percentile	4, 73rd percentile	3, 39th percentile	12.2%, 35th percentile	12.2%, 27th percentile	14.9%, 54th percentile	220 min, 12th percentile	1.02, 33rd percentile	144	Compare MidState Medical Center
4	William W Backus HospitalNorwich, CT · Acute care	0.76, 96th percentile	4, 73rd percentile	3, 39th percentile	11.5%, 62nd percentile	10.2%, 66th percentile	14.4%, 83rd percentile	174 min, 33rd percentile	0.97, 61st percentile	213	Compare William W Backus Hospital
5	Middlesex HospitalMiddletown, CT · Acute care	0.82, 90th percentile	3, 43rd percentile	4, 76th percentile	—	12.7%, 19th percentile	14.7%, 68th percentile	159 min, 43rd percentile	0.95, 71st percentile	275	Compare Middlesex Hospital
6	Charlotte Hungerford HospitalTorrington, CT · Acute care	0.83, 89th percentile	3, 43rd percentile	3, 39th percentile	—	13.0%, 15th percentile	16.1%, 6th percentile	147 min, 51st percentile	0.96, 66th percentile	109	Compare Charlotte Hungerford Hospital
7	Manchester Memorial HospitalManchester, CT · Acute care	0.85, 85th percentile	4, 73rd percentile	2, 10th percentile	—	9.5%, 79th percentile	14.9%, 54th percentile	223 min, 11th percentile	0.98, 55th percentile	249	Compare Manchester Memorial Hospital
8	St Vincent's Medical CenterBridgeport, CT · Acute care	0.88, 78th percentile	4, 73rd percentile	3, 39th percentile	11.0%, 77th percentile	12.5%, 22nd percentile	14.0%, 93rd percentile	228 min, 9th percentile	1.03, 28th percentile	397	Compare St Vincent's Medical Center
9	Danbury HospitalDanbury, CT · Acute care	0.90, 73rd percentile	4, 73rd percentile	3, 39th percentile	12.7%, 21st percentile	9.4%, 81st percentile	15.4%, 23rd percentile	209 min, 15th percentile	1.02, 33rd percentile	345	Compare Danbury Hospital
10	Bridgeport HospitalBridgeport, CT · Acute care	0.91, 70th percentile	4, 73rd percentile	3, 39th percentile	12.3%, 32nd percentile	8.5%, 91st percentile	15.6%, 16th percentile	140 min, 56th percentile	0.99, 50th percentile	497	Compare Bridgeport Hospital
11	Greenwich Hospital Association -Greenwich, CT · Acute care	0.92, 67th percentile	5, 94th percentile	3, 39th percentile	10.7%, 85th percentile	6.5%, 99th percentile	14.7%, 68th percentile	176 min, 32nd percentile	0.94, 76th percentile	206	Compare Greenwich Hospital Association -
12	Windham Community Memorial HospitalWillimantic, CT · Acute care	0.93, 63rd percentile	3, 43rd percentile	3, 39th percentile	—	11.2%, 46th percentile	15.2%, 34th percentile	138 min, 58th percentile	0.94, 76th percentile	130	Compare Windham Community Memorial Hospital
13	Sharon HospitalSharon, CT · Acute care	0.94, 59th percentile	5, 94th percentile	4, 76th percentile	—	11.3%, 44th percentile	14.3%, 86th percentile	130 min, 65th percentile	0.92, 83rd percentile	78	Compare Sharon Hospital
14	Stamford HospitalStamford, CT · Acute care	0.96, 51st percentile	5, 94th percentile	3, 39th percentile	11.1%, 74th percentile	11.6%, 37th percentile	14.1%, 91st percentile	200 min, 19th percentile	1.00, 44th percentile	305	Compare Stamford Hospital
T15	Johnson Memorial HospitalStafford Springs, CT · Acute care	0.97, 46th percentile	3, 43rd percentile	3, 39th percentile	—	12.8%, 18th percentile	16.0%, 7th percentile	182 min, 28th percentile	0.98, 55th percentile	92	Compare Johnson Memorial Hospital
T15	Day Kimball HospitalPutnam, CT · Acute care	0.97, 46th percentile	2, 17th percentile	3, 39th percentile	—	10.5%, 60th percentile	15.2%, 34th percentile	221 min, 11th percentile	1.07, 14th percentile	104	Compare Day Kimball Hospital
17	Norwalk HospitalNorwalk, CT · Acute care	0.98, 41st percentile	3, 43rd percentile	3, 39th percentile	10.9%, 80th percentile	10.7%, 56th percentile	14.7%, 68th percentile	200 min, 19th percentile	1.00, 44th percentile	328	Compare Norwalk Hospital
18	Saint Mary's HospitalWaterbury, CT · Acute care	1.00, 35th percentile	3, 43rd percentile	2, 10th percentile	10.8%, 83rd percentile	11.8%, 34th percentile	15.5%, 19th percentile	249 min, 5th percentile	1.02, 33rd percentile	347	Compare Saint Mary's Hospital
T19	Griffin HospitalDerby, CT · Acute care	1.01, 33rd percentile	4, 73rd percentile	4, 76th percentile	11.1%, 74th percentile	11.6%, 37th percentile	13.6%, 97th percentile	165 min, 39th percentile	0.94, 76th percentile	160	Compare Griffin Hospital
T19	John Dempsey Hospital Of The University Of ConnectFarmington, CT · Acute care	1.01, 33rd percentile	3, 43rd percentile	4, 76th percentile	12.6%, 23rd percentile	12.4%, 23rd percentile	14.8%, 61st percentile	246 min, 6th percentile	0.99, 50th percentile	204	Compare John Dempsey Hospital Of The University Of Connect
T19	West Haven VA Medical CenterWest Haven, CT · Veterans Affairs	1.01, 33rd percentile	3, 43rd percentile	4, 76th percentile	12.6%, 23rd percentile	7.4%, 97th percentile	15.6%, 16th percentile	—	—	813	Compare West Haven VA Medical Center
22	The Hospital Of Central ConnecticutNew Britain, CT · Acute care	1.03, 29th percentile	2, 17th percentile	3, 39th percentile	12.7%, 21st percentile	12.4%, 23rd percentile	14.6%, 74th percentile	173 min, 34th percentile	1.03, 28th percentile	330	Compare The Hospital Of Central Connecticut
23	Lawrence & Memorial HospitalNew London, CT · Acute care	1.05, 26th percentile	3, 43rd percentile	3, 39th percentile	11.1%, 74th percentile	9.7%, 75th percentile	14.3%, 86th percentile	131 min, 64th percentile	0.97, 61st percentile	280	Compare Lawrence & Memorial Hospital
24	Bristol HospitalBristol, CT · Acute care	1.12, 17th percentile	2, 17th percentile	3, 39th percentile	—	10.8%, 54th percentile	16.0%, 7th percentile	190 min, 24th percentile	1.06, 16th percentile	134	Compare Bristol Hospital
25	Waterbury HospitalWaterbury, CT · Acute care	1.18, 12th percentile	2, 17th percentile	3, 39th percentile	11.7%, 54th percentile	12.4%, 23rd percentile	14.8%, 61st percentile	227 min, 10th percentile	1.03, 28th percentile	357	Compare Waterbury Hospital
26	St Francis Hospital & Medical CenterHartford, CT · Acute care	1.39, 4th percentile	2, 17th percentile	2, 10th percentile	11.6%, 58th percentile	11.9%, 32nd percentile	14.8%, 61st percentile	275 min, 2nd percentile	1.05, 19th percentile	617	Compare St Francis Hospital & Medical Center

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.

Serious complications: Patient safety and adverse events composite (PSI 90; 1.0 = national value).
Overall star rating: CMS overall hospital quality star rating (1-5).
Patient survey star rating: HCAHPS summary star rating (1-5).
Heart attack death rate: 30-day death rate for heart attack patients.
Heart failure death rate: 30-day death rate for heart failure 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.
Time in emergency department: Median time patients spent in the emergency department before leaving.
Medicare spending per patient: Medicare spending per beneficiary episode relative to the national median (1.0 = national median).
Total beds: Total beds reported to CMS (Provider of Services file).