Complications & Deaths Measures
20
CMS-tracked
Massachusetts · Acute Care
Cambridge Health Alliance
According to PlainHospital's CMS star-rating ranking (CMS Hospital Compare overall stars), Cambridge Health Alliance ranks #1478 of 3182 rated US hospitals by overall star rating (highest = #1).
- 3★
- CMS overall rating
- 27th pct.
- national percentile
- #1478 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.
1493 Cambridge Street, Cambridge, MA 02139 · Middlesex County · (617) 665-1000
The verdict
According to PlainHospital's CMS star-rating ranking (CMS Hospital Compare overall stars), Cambridge Health Alliance ranks #1478 of 3182 rated US hospitals by overall star rating (highest = #1). That corpus rank reflects a below-median CMS star rating nationally, with 2 quality measures beating the national benchmark.
- 27th pct.
- CMS star rating vs 3,182 rated US hospitals
- #1478 of 3182
- rated-hospital corpus placement
- 2
- measures better than national of 20 compared
- Yes
- emergency department on site
Since the last CMS release
CMS lowered this hospital from 4 to 3 stars between its May 2026 and August 2026 releases, a fall 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 Cambridge Health Alliance sits among rated US hospitals
3 Around the middle 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
Cambridge Health Alliance vs. Massachusetts and the nation
- Cambridge Health Alliance
Cambridge Health Alliance
3 stars
- Massachusetts avg
Massachusetts state average
3.2 stars
- US avg
National average
3.2 stars
What this shows At 3 stars, Cambridge Health Alliance rates below the Massachusetts average of 3.2 and below the national average of 3.2.
Type
Acute Care Hospitals
Ownership
Government - Local
Emergency Services
Yes
Birthing Friendly
Yes
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 Cambridge Health Alliance
Mortality 5 measures
Safety of care 6 measures
Readmission 9 measures
Better than national Same as national Worse than national
Quality Measures
| Measure | Score | vs. National |
|---|---|---|
| Abdominopelvic accidental puncture or laceration rate | 1 | Same as National |
| CMS Medicare PSI 90: Patient safety and adverse events composite | 0.95 | 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 | 8.9 | Same as National |
| Death rate for heart attack patients | N/A | Number of Cases Too Small |
| Death rate for heart failure patients | 7.7 | Better than National |
| Death rate for pneumonia patients | 17.3 | Same as National |
| Death rate for stroke patients | 12.2 | Same as National |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate | 4 | Same as National |
| Iatrogenic pneumothorax rate | 0.2 | Same as National |
| In-hospital fall-associated fracture rate | 0.3 | Same as National |
| Perioperative pulmonary embolism or deep vein thrombosis rate | 3.1 | Same as National |
| Postoperative acute kidney injury requiring dialysis rate | 1.59 | Same as National |
| Postoperative hemorrhage or hematoma rate | 2.53 | 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 | 3 |
| Doctor communication - linear mean score | N/A |
| Doctor communication - star rating | 3 |
| 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 | 3 |
| Quietness - linear mean score | N/A |
| Quietness - star rating | 2 |
| Recommend hospital - linear mean score | N/A |
| Recommend hospital - star rating | 3 |
| Summary star rating | 3 |
Safety & Infections
| Measure | Score | vs. National |
|---|---|---|
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | 1.408 | Same as National |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | 1.546 | Same as National |
| Clostridium Difficile (C.Diff) | 0.284 | Better than National |
| MRSA Bacteremia | 0.667 | 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 | N/A | Number of Cases Too Small |
| Heart failure (HF) 30-Day Readmission Rate | 18.6 | Same as National |
| Hospital return days for heart attack patients | N/A | Number of Cases Too Small |
| Hospital return days for heart failure patients | 0.4 | Average Days per 100 Discharges |
| Hospital return days for pneumonia patients | 11.7 | Average Days per 100 Discharges |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 14.9 | Same as National |
| Pneumonia (PN) 30-Day Readmission Rate | 15.2 | Same as National |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy | N/A | Number of Cases Too Small |
| Rate of inpatient admissions for patients receiving outpatient chemotherapy | N/A | Number of Cases Too Small |
| Rate of readmission after hip/knee replacement | 4.5 | Same as National |
| Rate of readmission for CABG | N/A | Not Available |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patients | 16.9 | Same as National |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) | 14.1 | 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) | 0.99 (At national average) |
Maternal Health
CMS maternal-care measures reported for this facility. The Hospital Compare maternal extract lists measure names and reporting windows; it does not publish numeric scores or sample sizes in the corpus we ingest, so those columns are omitted rather than filled with N/A.
| Measure |
|---|
| Cesarean Birth |
| Maternal Morbidity Structural Measure |
| Risk Adjusted Severe Obstetric Complications (All) |
| Risk Adjusted Severe Obstetric Complications (excluding blood-transfusion-only cases) |
Nationwide hospitals with similar CMS profiles
Peer sets for Cambridge Health Alliance outside Massachusetts, keyed to the quiet 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 (1 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 Cambridge Health Alliance vs Adcare Hospital of Worcester Inc →
What to do with Cambridge Health Alliance
Use this page's CMS-sourced figures as a starting filter, not a final verdict.
- See how every Massachusetts hospital compares on star rating and the same quality measures. Massachusetts hospitals
- Compare Cambridge Health Alliance directly against another hospital, measure by measure. Compare hospitals
- Check whether a device used in your care has a reported FDA adverse-event history. Search devices
CMS Hospital Compare figures are informational only, not medical advice; always consult your care team.
Frequently Asked Questions
How does Cambridge Health Alliance compare to other hospitals on CMS star rating?
According to PlainHospital's CMS star-rating ranking, Cambridge Health Alliance ranks #1478 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 Cambridge Health Alliance?
Cambridge Health Alliance has an overall CMS star rating of 3 out of 5 (mid-band), below the 3.2-star national average.
How does Cambridge Health Alliance perform on quality measures?
0 of 20 compared measures rate worse than national at Cambridge Health Alliance (quiet worse-share tercile); 2 rate better (typical).
What do patients say about Cambridge Health Alliance?
Cambridge Health Alliance reports 17 HCAHPS patient-experience domain scores. Star ratings range from 2 to 3 out of 5.
What are the infection rates at Cambridge Health Alliance?
Cambridge Health Alliance tracks 6 healthcare-associated infection types (CDC NHSN). 1 are better than the national benchmark, 0 are worse, and 3 are at the national average.
Does Cambridge Health Alliance have emergency services?
Yes, Cambridge Health Alliance provides emergency services.
What type of hospital is Cambridge Health Alliance?
Cambridge Health Alliance is a Acute Care Hospitals facility with Government - Local ownership, located in Cambridge, MA. This facility has received the CMS Birthing-Friendly designation.
How much does Medicare spend at Cambridge Health Alliance?
1 Medicare spending category is on file for Cambridge Health Alliance, per episode vs. the national median.
Does Cambridge Health Alliance offer maternal health services?
Yes, Cambridge Health Alliance reports 4 maternal health measures. This facility has been designated as Birthing-Friendly by CMS.