Complications & Deaths Measures
20
CMS-tracked
Massachusetts · Acute Care
Massachusetts General Hospital
According to PlainHospital's CMS star-rating ranking (CMS Hospital Compare overall stars), Massachusetts General Hospital ranks #161 of 3182 rated US hospitals by overall star rating (highest = #1).
- 5★
- CMS overall rating
- Top 12%
- national star rank
- #161 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.
55 Fruit Street, Boston, MA 02114 · Suffolk County · (617) 726-2000
The verdict
According to PlainHospital's CMS star-rating ranking (CMS Hospital Compare overall stars), Massachusetts General Hospital ranks #161 of 3182 rated US hospitals by overall star rating (highest = #1). That corpus rank reflects a top-quartile CMS star rating nationally, with 15 quality measures beating the national benchmark (4 worse).
- Top 12%
- CMS star rating vs 3,182 rated US hospitals
- #161 of 3182
- rated-hospital corpus placement
- 15
- measures better than national of 27 compared
- Yes
- emergency department on site
Since the last CMS release
This hospital held its 5-star rating across the May 2026 and August 2026 CMS releases.
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 Massachusetts General Hospital sits among rated US hospitals
5 Top 12% higher than 88% 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
Massachusetts General Hospital vs. Massachusetts and the nation
- Massachusetts Genera…
Massachusetts General Hospital
5 stars
- Massachusetts avg
Massachusetts state average
3.2 stars
- US avg
National average
3.2 stars
What this shows At 5 stars, Massachusetts General Hospital rates above the Massachusetts average of 3.2 and above the national average of 3.2.
Type
Acute Care Hospitals
Ownership
Voluntary non-profit - Private
Emergency Services
Yes
Birthing Friendly
Yes
Patient Experience
17
HCAHPS domains
Infection Types
6
CDC NHSN
CMS Overall Star Rating 100.0%
5 of 5 stars
Better-than-national profile for Massachusetts General Hospital
Mortality 8 measures
Safety of care 8 measures
Readmission 11 measures
Better than national Same as national Worse than national
Quality Measures
| Measure | Score | vs. National |
|---|---|---|
| Abdominopelvic accidental puncture or laceration rate | 0.51 | Same as National |
| CMS Medicare PSI 90: Patient safety and adverse events composite | 0.87 | Same as National |
| Death rate among surgical inpatients with serious treatable complications | 190.21 | Same as National |
| Death rate for CABG surgery patients | 1 | Better than National |
| Death rate for COPD patients | 6.2 | Better than National |
| Death rate for heart attack patients | 9.6 | Better than National |
| Death rate for heart failure patients | 6.6 | Better than National |
| Death rate for pneumonia patients | 12.8 | Better than National |
| Death rate for stroke patients | 12.7 | Same as National |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate | 2 | Better than National |
| Iatrogenic pneumothorax rate | 0.24 | Same as National |
| In-hospital fall-associated fracture rate | 0.25 | Same as National |
| Perioperative pulmonary embolism or deep vein thrombosis rate | 4.43 | Same as National |
| Postoperative acute kidney injury requiring dialysis rate | 1.34 | Same as National |
| Postoperative hemorrhage or hematoma rate | 1.51 | Better than 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 | 3 |
| Discharge information - linear mean score | N/A |
| Discharge information - star rating | 4 |
| Doctor communication - linear mean score | N/A |
| Doctor communication - star rating | 4 |
| Nurse communication - linear mean score | N/A |
| Nurse communication - star rating | 4 |
| Overall hospital rating - linear mean score | N/A |
| Overall hospital rating - star rating | 4 |
| Quietness - linear mean score | N/A |
| Quietness - star rating | 2 |
| Recommend hospital - linear mean score | N/A |
| Recommend hospital - star rating | 5 |
| Summary star rating | 4 |
Safety & Infections
| Measure | Score | vs. National |
|---|---|---|
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | 0.831 | Same as National |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | 0.535 | Better than National |
| Clostridium Difficile (C.Diff) | 0.71 | Better than National |
| MRSA Bacteremia | 0.657 | Better than National |
| SSI - Abdominal Hysterectomy | 0.661 | Same as National |
| SSI - Colon Surgery | 1.054 | Same as National |
Staffing & Spending
Unplanned Visits & Readmissions
| Measure | Score | vs. National |
|---|---|---|
| Acute Myocardial Infarction (AMI) 30-Day Readmission Rate | 13.3 | Same as National |
| Heart failure (HF) 30-Day Readmission Rate | 17.9 | Better than National |
| Hospital return days for heart attack patients | 9.9 | More Days Than Average per 100 Discharges |
| Hospital return days for heart failure patients | 10.4 | More Days Than Average per 100 Discharges |
| Hospital return days for pneumonia patients | 7.5 | More Days Than Average per 100 Discharges |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 14.3 | Better than National |
| Pneumonia (PN) 30-Day Readmission Rate | 14.7 | Same as National |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy | 3.8 | Better than National |
| Rate of inpatient admissions for patients receiving outpatient chemotherapy | 10.6 | Same as National |
| Rate of readmission after hip/knee replacement | 4.4 | Same as National |
| Rate of readmission for CABG | 8.3 | Better than National |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patients | 18 | Same as National |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) | 10.1 | Better than National |
| Ratio of unplanned hospital visits after hospital outpatient surgery | 0.7 | Better than National |
Medicare Spending
| Measure | Score |
|---|---|
| Medicare hospital spending per patient (Medicare Spending per Beneficiary) | 0.98 (Below 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 Massachusetts General Hospital outside Massachusetts, keyed to the strong better-than-national share.
Similar CMS star rating
Nearest overall stars outside MA (5/5 here).
Similar mortality outcomes
Nearest mortality measures rated better than national, outside MA (6 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 Massachusetts General Hospital vs Adcare Hospital of Worcester Inc →
What to do with Massachusetts General Hospital
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 Massachusetts General Hospital 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 Massachusetts General Hospital compare to other hospitals on CMS star rating?
According to PlainHospital's CMS star-rating ranking, Massachusetts General Hospital ranks #161 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 Massachusetts General Hospital?
Massachusetts General Hospital has an overall CMS star rating of 5 out of 5 (high-band), above the 3.2-star national average.
How does Massachusetts General Hospital perform on quality measures?
15 of 27 compared mortality, safety, and readmission measures rate better than the national average at Massachusetts General Hospital (strong better-share tercile); 4 rate worse (elevated).
What do patients say about Massachusetts General Hospital?
Massachusetts General Hospital reports 17 HCAHPS patient-experience domain scores. Star ratings range from 2 to 5 out of 5.
What are the infection rates at Massachusetts General Hospital?
Massachusetts General Hospital tracks 6 healthcare-associated infection types (CDC NHSN). 3 are better than the national benchmark, 0 are worse, and 3 are at the national average.
Does Massachusetts General Hospital have emergency services?
Yes, Massachusetts General Hospital provides emergency services.
What type of hospital is Massachusetts General Hospital?
Massachusetts General Hospital is a Acute Care Hospitals facility with Voluntary non-profit - Private ownership, located in Boston, MA. This facility has received the CMS Birthing-Friendly designation.
How much does Medicare spend at Massachusetts General Hospital?
1 Medicare spending category is on file for Massachusetts General Hospital, per episode vs. the national median.
Does Massachusetts General Hospital offer maternal health services?
Yes, Massachusetts General Hospital reports 4 maternal health measures. This facility has been designated as Birthing-Friendly by CMS.
Read our methodology & full data source list · Source: CMS Hospital Compare · measure windows