State hospital quality · CMS Hospital Compare

Best CMS-rated hospitals in Connecticut

According to PlainHospital's state average CMS-star ranking, Connecticut ranks #12 of 54 states and territories by average overall star rating among rated hospitals (highest = #1).

36
Hospitals
#12 of 54
Corpus placement
3.4★
Avg (26 rated)
4
Five-star
27
With ER

Connecticut vs all states by Medicare hospital count

Where this state's Medicare-certified hospital inventory sits among every tracked state and territory (inventory signal, not a quality ranking)

36 44th of 56 higher than 12 of 56 states

States and territories, banded by Medicare-certified hospital count

Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source CMS Hospital Compare · 2026-08-14

The state picture

According to PlainHospital's state average CMS-star ranking, Connecticut ranks #12 of 54 states and territories by average overall star rating among rated hospitals (highest = #1). Among 26 rated hospitals, the state averages 3.4 of 5 stars.

3.4 / 5
state average among rated (above 3.2 national)
#12 of 54
state corpus placement by avg star
4
five-star hospitals
26 of 36 rated
hospitals with a CMS overall rating

CMS star ratings are composite quality scores; 26 of 36 Connecticut hospitals had enough reporting volume to receive one. Not medical advice.

Connecticut hospital quality

Connecticut averages 3.4/5 CMS stars across 26 rated hospitals (above the 3.2 national average), with 4 five-star facilities of 36 Medicare-certified hospitals.

PlainHospital ranks Connecticut hospitals from CMS Hospital Compare overall star ratings (mortality, safety, readmission, patient experience, timely care). Corpus placement: #12 of 54 states and territories by average overall star among rated hospitals. 26 of 36 facilities had enough volume to receive a star; the rest stay unrated. Not medical advice - open a hospital page for the measure-level detail.

CMS star-rating mix in Connecticut

How 26 rated Connecticut hospitals break down across the 1–5 star scale

hospitals

What this shows 4 Connecticut hospitals reach five stars; the state's 3.4-star average sits above the 3.2-star national mark.

Source CMS Hospital Compare As of 2026-08-14

What the Data Shows About Hospitals in Connecticut

Connecticut has 36 Medicare-certified hospitals tracked by the Centers for Medicare & Medicaid Services (CMS) Hospital Compare program. Of these, 27 facilities operate an emergency department, an important signal for communities that rely on nearby acute-care access. The statewide average CMS overall star rating is 3.4 out of 5 , calculated across the 26 of 36 hospitals with enough reporting volume to generate a composite rating.

At the top of the quality distribution, 4 hospitals have earned the highest 5-star CMS overall rating in Connecticut. The single highest-rated facility in the state registry is Greenwich Hospital Association - in Greenwich, currently listed at 5/5 stars. Star ratings are composite scores built from mortality, safety of care, readmission, patient experience (HCAHPS), and timely & effective care domains, so a single number conceals meaningful per-domain variation that matters for specific procedures.

Showing 36 of 36 hospitals on this page (page 1 of 1). Hospital quality varies materially within a state, urban academic centers, rural critical-access hospitals, and specialty facilities report against different baselines, so comparing individual facility profiles before choosing planned care is more useful than relying on the statewide average alone. All figures reflect the CMS Hospital Compare release from , and nothing on this page is medical advice, consult a qualified clinician before making care decisions.

36
Hospitals
3.4
Avg (26 rated)
4
Five-Star
27
With ER

Top-Rated in Connecticut

Highest CMS star ratings among Medicare-certified hospitals in Connecticut.

  1. 🥇1 Greenwich Hospital Association - Greenwich, CT · Acute Care Hospitals ★★★★★
  2. 🥈2 Sharon Hospital Sharon, CT · Acute Care Hospitals ★★★★★
  3. 🥉3 Stamford Hospital Stamford, CT · Acute Care Hospitals ★★★★★
  4. 4 Yale-New Haven Hospital New Haven, CT · Acute Care Hospitals ★★★★★
  5. 5 Bridgeport Hospital Bridgeport, CT · Acute Care Hospitals ★★★★
  6. 6 Danbury Hospital Danbury, CT · Acute Care Hospitals ★★★★

Compare Greenwich Hospital Association - vs Sharon Hospital →

All Hospitals

Showing 1–36 of 36 hospitals

Hospital Rating
Albert J Solnit Children's Center - South Campus

Middletown

N/A
Bridgeport Hospital

Bridgeport

4
Bristol Hospital

Bristol

2
Charlotte Hungerford Hospital

Torrington

3
Connecticut Childrens Medical Center

Hartford

N/A
Connecticut Mental Health Center

New Haven

N/A
Connecticut Valley Hosp

Middletown

N/A
Danbury Hospital

Danbury

4
Day Kimball Hospital

Putnam

2
Greenwich Hospital Association -

Greenwich

5
Griffin Hospital

Derby

4
Hartford Hospital

Hartford

4
Hebrew Home and Hospital

West Hartford

N/A
John Dempsey Hospital of the University of Connect

Farmington

3
Johnson Memorial Hospital

Stafford Springs

3
Lawrence & Memorial Hospital

New London

3
Manchester Memorial Hospital

Manchester

4
Masonicare Health Center

Wallingford

N/A
Middlesex Hospital

Middletown

3
Midstate Medical Center

Meriden

4
Natchaug Hospital

Mansfield Center

N/A
Norwalk Hospital

Norwalk

3
Saint Mary's Hospital

Waterbury

3
Sharon Hospital

Sharon

5
Silver Hill Hospital Inc

New Canaan

N/A
Southwest Connecticut Mental Health System

Bridgeport

N/A
St Francis Hospital & Medical Center

Hartford

2
St Vincent's Medical Center

Bridgeport

4
Stamford Hospital

Stamford

5
The Connecticut Hospice Inc.

Branford

N/A
The Hospital of Central Connecticut

New Britain

2
Waterbury Hospital

Waterbury

2
West Haven VA Medical Center

West Haven

3
William W Backus Hospital

Norwich

4
Windham Community Memorial Hospital

Willimantic

3
Yale-New Haven Hospital

New Haven

5

Hospital Quality in Connecticut

Connecticut has 36 Medicare-certified hospitals tracked by the Centers for Medicare & Medicaid Services (CMS). Of these, 4 have earned the highest 5-star overall quality rating, reflecting strong performance across mortality, safety of care, readmission rates, patient experience, and timely and effective care measures.

The average CMS star rating across the 26 rated of 36 Connecticut hospitals is 3.4. 27 facilities have emergency departments, an important factor for communities that depend on nearby acute care. Hospital quality can vary significantly within a state, so comparing individual facility ratings before choosing care is recommended.

Frequently Asked Questions

What is the best hospital in Connecticut?
The highest-rated hospital in Connecticut is Greenwich Hospital Association - in Greenwich with a CMS star rating of 5/5. There are 4 five-star hospitals in the state out of 36 Medicare-certified facilities.
How are hospitals rated?
CMS rates hospitals on a 1-to-5 star scale based on quality measures including mortality, safety, patient experience, readmission rates, and timely care. In Connecticut, the average star rating is 3.4 across rated hospitals.
How many hospitals are in Connecticut?
Connecticut has 36 Medicare-certified hospitals, of which 27 have emergency departments. 4 hospitals have earned the highest 5-star CMS rating.

Data from CMS Hospital Compare; patient-experience scores from the HCAHPS survey. Last refreshed: . About PlainHospital and our data sources

Every figure on PlainHospital is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.