Complications & Deaths Measures
20
CMS-tracked
Massachusetts · Acute Care
Umass Memorial Healthalliance Hospitals
According to PlainHospital's CMS star-rating ranking (CMS Hospital Compare overall stars), Umass Memorial Healthalliance Hospitals ranks #2239 of 3182 rated US hospitals by overall star rating (highest = #1).
- 3★
- CMS overall rating
- 27th pct.
- national percentile
- #2239 of 3182
- Corpus placement
- 20
- Quality measures
- 6
- Infection types
Data currency: Hospital quality, safety, and patient-experience measures from the CMS Care Compare program (published quarterly), last refreshed May 2026. See our methodology for source dates. Spot a figure that looks wrong? Report a correction.
60 Hospital Road, Leominster, MA 01453 · Worcester County · (978) 466-2000
The verdict
According to PlainHospital's CMS star-rating ranking (CMS Hospital Compare overall stars), Umass Memorial Healthalliance Hospitals ranks #2239 of 3182 rated US hospitals by overall star rating (highest = #1). That corpus rank reflects a below-median CMS star rating nationally, with 1 quality measure beating the national benchmark (2 worse).
- 27th pct.
- CMS star rating vs 3,182 rated US hospitals
- #2239 of 3182
- rated-hospital corpus placement
- 1
- measures better than national of 19 compared
- Yes
- emergency department on site
Since the last CMS release
CMS raised this hospital from 2 to 3 stars between its May 2026 and August 2026 releases, a gain of 1.
CMS replaces its file at each release rather than publishing a changelog, so this comparison exists only because the earlier release is kept on file. See what changed nationally.
Where Umass Memorial Healthalliance Hospitals sits among rated US hospitals
3 Top 73% higher than 27% of 3,182 rated hospitals
CMS star rating (1–5 stars), bucketed by value
Each bar is a band; taller bars hold more rated hospitals. 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, overall hospital rating · 2026-08-14
Umass Memorial Healthalliance Hospitals vs. Massachusetts and the nation
- Umass Memorial Healt…
Umass Memorial Healthalliance Hospitals
3 stars
- Massachusetts avg
Massachusetts state average
3.2 stars
- US avg
National average
3.2 stars
What this shows At 3 stars, Umass Memorial Healthalliance Hospitals rates below the Massachusetts average of 3.2 and below the national average of 3.2.
Type
Acute Care Hospitals
Ownership
Voluntary non-profit - Other
Emergency Services
Yes
Birthing Friendly
N/A
Patient Experience
17
HCAHPS domains
Infection Types
6
CDC NHSN
CMS Overall Star Rating 60.0%
3 of 5 stars
Worse-than-national profile for Umass Memorial Healthalliance Hospitals
Mortality 6 measures
Safety of care 5 measures
Readmission 8 measures
Better than national Same as national Worse than national
Quality Measures
| Measure | Score | vs. National |
|---|---|---|
| Abdominopelvic accidental puncture or laceration rate | 0.96 | Same as National |
| CMS Medicare PSI 90: Patient safety and adverse events composite | 0.97 | Same as National |
| Death rate among surgical inpatients with serious treatable complications | N/A | Number of Cases Too Small |
| Death rate for CABG surgery patients | N/A | Not Available |
| Death rate for COPD patients | 7.9 | Same as National |
| Death rate for heart attack patients | 11.3 | Same as National |
| Death rate for heart failure patients | 9.7 | Same as National |
| Death rate for pneumonia patients | 14.1 | Same as National |
| Death rate for stroke patients | 11.5 | Same as National |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate | 3.6 | Same as National |
| Iatrogenic pneumothorax rate | 0.18 | Same as National |
| In-hospital fall-associated fracture rate | 0.24 | Same as National |
| Perioperative pulmonary embolism or deep vein thrombosis rate | 4.37 | Same as National |
| Postoperative acute kidney injury requiring dialysis rate | 1.54 | Same as National |
| Postoperative hemorrhage or hematoma rate | 2.2 | Same as National |
Patient Experience (HCAHPS)
Experience profile vs. the national average
Source: CMS Hospital Compare, HCAHPS patient survey star ratings.
| Survey Question | Star Rating |
|---|---|
| Cleanliness - linear mean score | N/A |
| Cleanliness - star rating | 3 |
| Communication about medicines - linear mean score | N/A |
| Communication about medicines - star rating | 2 |
| Discharge information - linear mean score | N/A |
| Discharge information - star rating | 4 |
| Doctor communication - linear mean score | N/A |
| Doctor communication - star rating | 2 |
| Nurse communication - linear mean score | N/A |
| Nurse communication - star rating | 2 |
| Overall hospital rating - linear mean score | N/A |
| Overall hospital rating - star rating | 2 |
| Quietness - linear mean score | N/A |
| Quietness - star rating | 2 |
| Recommend hospital - linear mean score | N/A |
| Recommend hospital - star rating | 2 |
| Summary star rating | 2 |
Safety & Infections
| Measure | Score | vs. National |
|---|---|---|
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | 0.856 | Same as National |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | 0.171 | Better than National |
| Clostridium Difficile (C.Diff) | 0.506 | Better than National |
| MRSA Bacteremia | 0 | Same as National |
| SSI - Abdominal Hysterectomy | N/A | Not Available |
| SSI - Colon Surgery | N/A | Not Available |
Staffing & Spending
Unplanned Visits & Readmissions
| Measure | Score | vs. National |
|---|---|---|
| Acute Myocardial Infarction (AMI) 30-Day Readmission Rate | 14.4 | Same as National |
| Heart failure (HF) 30-Day Readmission Rate | 20.6 | Same as National |
| Hospital return days for heart attack patients | N/A | Number of Cases Too Small |
| Hospital return days for heart failure patients | 26.8 | More Days Than Average per 100 Discharges |
| Hospital return days for pneumonia patients | 36.4 | More Days Than Average per 100 Discharges |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 15.5 | Same as National |
| Pneumonia (PN) 30-Day Readmission Rate | 17.7 | Same as National |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy | 4.9 | Same as National |
| Rate of inpatient admissions for patients receiving outpatient chemotherapy | 9.6 | Same as National |
| Rate of readmission after hip/knee replacement | N/A | Number of Cases Too Small |
| Rate of readmission for CABG | N/A | Not Available |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patients | 18.6 | Same as National |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) | 12.5 | Same as National |
| Ratio of unplanned hospital visits after hospital outpatient surgery | 1.1 | Same as National |
Medicare Spending
| Measure | Score |
|---|---|
| Medicare hospital spending per patient (Medicare Spending per Beneficiary) | 1.04 |
Maternal Health
| Measure | Score |
|---|---|
| Cesarean Birth | N/A |
| Maternal Morbidity Structural Measure | N/A |
| Risk Adjusted Severe Obstetric Complications (All) | N/A |
| Risk Adjusted Severe Obstetric Complications (excluding blood-transfusion-only cases) | N/A |
Nationwide hospitals with similar CMS profiles
Peer sets for Umass Memorial Healthalliance Hospitals outside Massachusetts, keyed to the elevated worse-than-national share.
Similar CMS star rating
Nearest overall stars outside MA (3/5 here).
Similar mortality outcomes
Nearest mortality measures rated better than national, outside MA (0 better here).
Nearby Hospitals in Massachusetts
Other Medicare-certified hospitals in Massachusetts.
One of 83 Medicare-certified hospitals in Massachusetts, 6 are shown here.
Adcare Hospital of Worcester Inc
Worcester, MA
No rating Acute Care Hospitals
Anna Jaques Hospital
Newburyport, MA
3/5
Acute Care Hospitals
Arbour Hospital
Boston, MA
No rating Psychiatric
Arbour Human Resource Institute
Brookline, MA
No rating Psychiatric
Arbour-Fuller Hospital
South Attleboro, MA
No rating Psychiatric
Athol Memorial Hospital
Athol, MA
2/5
Critical Access Hospitals
Compare Umass Memorial Healthalliance Hospitals vs Adcare Hospital of Worcester Inc →
Frequently Asked Questions
How does Umass Memorial Healthalliance Hospitals compare to other hospitals on CMS star rating?
According to PlainHospital's CMS star-rating ranking, Umass Memorial Healthalliance Hospitals ranks #2239 of 3182 rated US hospitals by overall star rating (highest = #1). That ordinal matches our top-rated hospital listing (star_rating DESC). See /methodology#corpus-placement.
What is the CMS star rating for Umass Memorial Healthalliance Hospitals?
Umass Memorial Healthalliance Hospitals has an overall CMS star rating of 3 out of 5 (mid-band), below the 3.2-star national average.
How does Umass Memorial Healthalliance Hospitals perform on quality measures?
2 of 19 compared measures rate worse than national at Umass Memorial Healthalliance Hospitals (elevated worse-share tercile); 1 rate better (typical).
What do patients say about Umass Memorial Healthalliance Hospitals?
Umass Memorial Healthalliance Hospitals reports 17 HCAHPS patient-experience domain scores. Star ratings range from 2 to 4 out of 5.
What are the infection rates at Umass Memorial Healthalliance Hospitals?
Umass Memorial Healthalliance Hospitals tracks 6 healthcare-associated infection types (CDC NHSN). 2 are better than the national benchmark, 0 are worse, and 2 are at the national average.
Does Umass Memorial Healthalliance Hospitals have emergency services?
Yes, Umass Memorial Healthalliance Hospitals provides emergency services.
What type of hospital is Umass Memorial Healthalliance Hospitals?
Umass Memorial Healthalliance Hospitals is a Acute Care Hospitals facility with Voluntary non-profit - Other ownership, located in Leominster, MA.
How much does Medicare spend at Umass Memorial Healthalliance Hospitals?
1 Medicare spending category is on file for Umass Memorial Healthalliance Hospitals, per episode vs. the national median.
Does Umass Memorial Healthalliance Hospitals offer maternal health services?
Yes, Umass Memorial Healthalliance Hospitals reports 4 maternal health measures.
Read our methodology & full data source list · Source: CMS Hospital Compare · measure windows