CMS certification 070005
Waterbury Hospital
64 Robbins St, Waterbury, CT 06721
Waterbury Hospital has a CMS overall rating of 2 out of 5 stars. 55% of patients who answered CMS's national survey would definitely recommend it, against a US average of 71%. Of the 22 death, complication, infection and readmission measures CMS could compare, it does better than the nation on 4 and worse on none. Emergency patients spend a median of 3 h 47 min in its emergency department before leaving (US median 2 h 42 min).
Every figure on this page is published by CMS; we arrange and explain it, and score nothing ourselves.
What patients said
Answers from patients who stayed here, collected by CMS in the national HCAHPS survey: 454 completed surveys, 18% response rate, Oct 2024 – Sep 2025.
Emergency department
How long emergency patients spent here and how some time-critical care went, from CMS's timely and effective care measures, Oct 2024 – Sep 2025. CMS classes this emergency department's patient volume as medium; busier departments tend to have longer times, so the national median for departments of the same volume is shown too. These are medians over a year of visits, not a live wait time.
| Measure | This hospital | CT | US |
|---|---|---|---|
| Median time in the emergency department before leaving Lower is better · 363 visits sampled · US median for EDs of the same volume: 2 h 45 min | 3 h 47 min | 3 h 12 min | 2 h 42 min |
| Median time for psychiatric and mental health patients Lower is better · 31 visits sampled | 8 h 24 min | 4 h 7 min | 4 h 17 min |
| Left before being seen Lower is better · 37,147 patients | 3% | 2% | 2% |
| Stroke symptoms: brain scan read within 45 minutes Higher is better · 13 patients | 92% | 77% | 69% |
| Severe sepsis and septic shock: all recommended care given Higher is better · 151 patients | 42% | 57% | 65% |
How Waterbury Hospital compares with nearby hospitals
The closest hospitals of the same kind that CMS rates or surveys - the same city first, then the same county and ZIP area. Every figure is CMS's: the overall star rating, the share of patients who would definitely recommend the hospital, the median time emergency patients spent before leaving, and how many death, complication, infection and readmission measures CMS found better or worse than the national rate.
| Hospital | CMS stars | Would recommend | ER median time | Vs the nation |
|---|---|---|---|---|
| Waterbury HospitalThis hospital | 2/5 | 55% | 3 h 47 min | 4 better |
| Saint Mary's HospitalSame city | 3/5 | 60% | 4 h 9 min | 2 better |
| West Haven VA Medical CenterSame county · West Haven | 3/5 | 76% | — | 2 better 2 worse |
| Yale-New Haven HospitalSame county · New Haven | 5/5 | 69% | 3 h 18 min | 11 better 3 worse |
| Midstate Medical CenterSame county · Meriden | 4/5 | 76% | 3 h 40 min | 4 better |
| Griffin HospitalSame county · Derby | 4/5 | 76% | 2 h 45 min | 1 better 3 worse |
Hospitals differ in size and in how sick their patients are. CMS adjusts its outcome measures for that, but a star or a percentage is a starting point for questions, not a verdict. All hospitals in Waterbury.
Deaths
How many patients died within 30 days of admission, adjusted by CMS for how sick they were. Lower is better. Data from Jul 2022 – Jun 2025.
| Measure | CMS comparison | This hospital | National |
|---|---|---|---|
| All patients, hospital-wide 2,023 cases | Too few cases | 3.6% | 3.9% |
| Heart attack 90 cases | Too few cases | 11.7% | 11.9% |
| Heart failure 334 cases | Too few cases | 12.4% | 11.1% |
| Pneumonia 348 cases | Too few cases | 11.3% | 15.2% |
| Stroke 190 cases | Too few cases | 17.7% | 11.9% |
| COPD 97 cases | Too few cases | 12.1% | 8.6% |
1 more measure had too few cases here to report.
Complications
How often patients had serious complications, most of them after surgery, adjusted for how sick they were. Lower is better. Data from Jul 2022 – Jun 2024.
| Measure | CMS comparison | This hospital | National |
|---|---|---|---|
| Serious complications, combined measure | No different | 1.18 likely 0.82 – 1.55 | 1 |
| Deaths after a serious but treatable surgical complication 41 cases | No different | 191.82 per 1,000 likely 134.56 per 1,000 – 249.08 per 1,000 | 173.3 per 1,000 |
| Pressure ulcers (bed sores) 3,694 cases | No different | 0.65 per 1,000 likely 0 per 1,000 – 1.4 per 1,000 | 0.63 per 1,000 |
| Collapsed lung caused by a procedure 4,213 cases | No different | 0.27 per 1,000 likely 0.06 per 1,000 – 0.48 per 1,000 | 0.21 per 1,000 |
| Broken bones from falls in the hospital 4,283 cases | No different | 0.27 per 1,000 likely 0.07 per 1,000 – 0.48 per 1,000 | 0.27 per 1,000 |
| Bleeding or hematoma after surgery 637 cases | No different | 2.01 per 1,000 likely 0.4 per 1,000 – 3.62 per 1,000 | 2.34 per 1,000 |
| Kidney injury needing dialysis after surgery 199 cases | No different | 1.54 per 1,000 likely 0 per 1,000 – 3.2 per 1,000 | 1.67 per 1,000 |
| Breathing failure after surgery 210 cases | No different | 13.78 per 1,000 likely 5.57 per 1,000 – 21.99 per 1,000 | 9.42 per 1,000 |
| Blood clots in the lungs or legs after surgery 621 cases | No different | 5.19 per 1,000 likely 2.85 per 1,000 – 7.53 per 1,000 | 3.52 per 1,000 |
| Sepsis after surgery 170 cases | No different | 4.65 per 1,000 likely 0.56 per 1,000 – 8.75 per 1,000 | 5.27 per 1,000 |
| Surgical wound splitting open 161 cases | No different | 2.65 per 1,000 likely 1.16 per 1,000 – 4.13 per 1,000 | 1.77 per 1,000 |
| Accidental cut or tear during abdominal surgery 587 cases | No different | 1.15 per 1,000 likely 0.14 per 1,000 – 2.16 per 1,000 | 1.06 per 1,000 |
1 more measure had too few cases here to report.
Infections caught in the hospital
Standardized infection ratio: 1.0 means as many infections as CMS predicted for a hospital like this one. Lower is better. Data from Oct 2024 – Sep 2025.
| Measure | CMS comparison | This hospital | National |
|---|---|---|---|
| Bloodstream infections from central lines (CLABSI) | No different | 0.22 likely 0.01 – 1.07 | 1 |
| Urinary tract infections from catheters (CAUTI) | No different | 0.22 likely 0.01 – 1.1 | 1 |
| Surgical site infections after colon surgery | No different | 0.29 likely 0.02 – 1.43 | 1 |
| MRSA bloodstream infections | No different | 1.57 likely 0.5 – 3.79 | 1 |
| C. diff intestinal infections | Better | 0.35 likely 0.13 – 0.78 | 1 |
1 more measure had too few cases here to report.
Readmissions and return visits
How often patients had to come back to a hospital after going home. Lower is better. Data from Jul 2023 – Jun 2025.
| Measure | CMS comparison | This hospital | National |
|---|---|---|---|
| Readmitted after a heart attack 137 cases | Too few cases | 13.7% | 14.4% |
| Readmitted after heart failure 547 cases | Too few cases | 20.5% | 21.3% |
| Readmitted after pneumonia 488 cases | Too few cases | 17.4% | 17.3% |
| Readmitted after COPD 172 cases | Too few cases | 20.3% | 20% |
| Readmitted after heart bypass surgery 33 cases | Too few cases | 10.2% | 11% |
| Readmitted after hip or knee replacement 33 cases | Too few cases | 6.2% | 5.8% |
| Days back in hospital after a heart attack 87 cases | Too few cases | -13.3 days per 100 | — |
| Days back in hospital after heart failure 377 cases | Too few cases | 19.9 days per 100 | — |
| Days back in hospital after pneumonia 370 cases | Too few cases | 14.9 days per 100 | — |
| Unplanned visits after an outpatient colonoscopy 255 cases | No different | 12.9 per 1,000 likely 9.6 per 1,000 – 17.2 per 1,000 | 13 per 1,000 |
| Unplanned visits after outpatient surgery 252 cases | No different | 0.9 likely 0.7 – 1.2 | — |
3 more measures had too few cases here to report.
Money from drug and device companies
Drug and device makers have to report what they pay teaching hospitals to CMS's Open Payments program. At many teaching hospitals most of it is research funding, or royalties for inventions the hospital licensed to a company. A payment on its own does not show a conflict of interest.
- 2019 $11,316
- 2020 $22,363
- 2021 $6,074
- 2022 $5,683
- 2023 $208
- 2024 $3,236
- 2025 $2M
What the 2025 general payments were for
| Type of payment | Amount | Payments |
|---|---|---|
| Debt forgiveness | $2M | 55 |
Largest paying companies, 2025
| Company | Amount | Payments |
|---|---|---|
| Siemens Medical Solutions USA, Inc. | $709,911 | 1 |
| Edwards Lifesciences Corporation | $357,877 | 1 |
| Davol Inc. | $303,876 | 1 |
| C. R. Bard, Inc. & Subsidiaries | $125,250 | 1 |
| Arthrex, Inc. | $122,199 | 7 |
| Johnson & Johnson Health Care Systems Inc. | $118,372 | 2 |
| Bard Peripheral Vascular, Inc. | $60,192 | 1 |
| Penumbra, Inc. | $53,543 | 1 |
Amounts are as the paying companies reported them to CMS; Open Payments data retrieved 13 Sep 2026. Full record on CMS Open Payments.
How to read this page
- Everything here is published by CMS on Care Compare. We arrange it and explain it; the star ratings and the better / worse verdicts are CMS's, not ours.
- “No different” is the most common result on most measures at most hospitals. CMS only calls a result better or worse when the difference from the national rate is statistically clear.
- Death, complication and readmission rates are adjusted by CMS for how sick patients were, so hospitals that treat sicker patients can be compared fairly.
- Infection results are ratios: 1.0 means as many infections as CMS predicted for a hospital like this one, below 1.0 is fewer.
- These are hospital-wide results. They do not rate an individual doctor, nurse or department, and they are not medical advice.
CMS Care Compare data retrieved 4 Oct 2026, refreshed weekly. Where this data comes from and how we handle it · Report an error
Common questions about Waterbury Hospital
Is Waterbury Hospital a good hospital?
Waterbury Hospital has a CMS overall rating of 2 out of 5 stars. Of the 22 death, complication, infection and readmission measures CMS could compare, it does better than the nation on 4 and worse on none. These are hospital-wide results published by CMS; they do not rate individual doctors or departments.
Would patients recommend Waterbury Hospital?
55% of patients who answered CMS's national survey would definitely recommend it, against a US average of 71%. The figure comes from 454 completed HCAHPS surveys.
How long is the wait in the Waterbury Hospital emergency room?
Emergency patients spend a median of 3 h 47 min in its emergency department before leaving (US median 2 h 42 min). Among US emergency departments with medium patient volume, like this one, the median is 2 h 45 min. 3% of emergency patients left before being seen (US 2%). These are medians over a year of visits, not a live wait time.
Does Waterbury Hospital receive money from drug and device companies?
Drug and device makers reported $2M in payments to Waterbury Hospital for 2025, under the federal Open Payments program. A payment on its own does not show a conflict of interest.