Acute Care Hospitals · Voluntary non-profit - Private
Massachusetts General Hospital
- 55 Fruit Street, Boston, MA 02114
- (617) 726-2000
- Acute Care Hospitals
- Emergency services available 24/7
At a glance
Massachusetts General Hospital carries a 5-star CMS overall rating — above the national norm. On healthcare-associated infection measures, it performs better than the national average on 18 and worse on 0. For 30-day readmissions, it beats the national rate on 6 measures and trails on 0.
Healthcare-Associated Infections
lower is better · 36 measures reported
Rates of infections patients can acquire while receiving care, such as central-line and catheter-associated infections, MRSA, and C. difficile.
| Measure | Score | Compared to national |
|---|---|---|
| Central Line Associated Bloodstream Infection (ICU + select Wards): Lower Confidence Limit | 0.382 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Upper Confidence Limit | 0.730 | Better than national |
| Central Line Associated Bloodstream Infection: Number of Device Days | 65355 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Predicted Cases | 69.113 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Observed Cases | 37 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | 0.535 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Lower Confidence Limit | 0.634 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Upper Confidence Limit | 1.071 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Number of Urinary Catheter Days | 44676 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Predicted Cases | 67.402 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Observed Cases | 56 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | 0.831 | Same as national |
| SSI - Colon Surgery: Lower Confidence Limit | 0.684 | Same as national |
| SSI - Colon Surgery: Upper Confidence Limit | 1.556 | Same as national |
| SSI - Colon Surgery: Number of Procedures | 820 | Same as national |
| SSI - Colon Surgery: Predicted Cases | 21.829 | Same as national |
| SSI - Colon Surgery: Observed Cases | 23 | Same as national |
| SSI - Colon Surgery | 1.054 | Same as national |
| SSI - Abdominal Hysterectomy: Lower Confidence Limit | 0.111 | Same as national |
| SSI - Abdominal Hysterectomy: Upper Confidence Limit | 2.183 | Same as national |
| SSI - Abdominal Hysterectomy: Number of Procedures | 376 | Same as national |
| SSI - Abdominal Hysterectomy: Predicted Cases | 3.027 | Same as national |
| SSI - Abdominal Hysterectomy: Observed Cases | 2 | Same as national |
| SSI - Abdominal Hysterectomy | 0.661 | Same as national |
| MRSA Bacteremia: Lower Confidence Limit | 0.417 | Better than national |
| MRSA Bacteremia: Upper Confidence Limit | 0.987 | Better than national |
| MRSA Bacteremia: Patient Days | 347269 | Better than national |
| MRSA Bacteremia: Predicted Cases | 31.970 | Better than national |
| MRSA Bacteremia: Observed Cases | 21 | Better than national |
| MRSA Bacteremia | 0.657 | Better than national |
| Clostridium Difficile (C.Diff): Lower Confidence Limit | 0.596 | Better than national |
| Clostridium Difficile (C.Diff): Upper Confidence Limit | 0.840 | Better than national |
| Clostridium Difficile (C.Diff): Patient Days | 327208 | Better than national |
| Clostridium Difficile (C.Diff): Predicted Cases | 183.039 | Better than national |
| Clostridium Difficile (C.Diff): Observed Cases | 130 | Better than national |
| Clostridium Difficile (C.Diff) | 0.710 | Better than national |
Complications & Deaths
lower is better · 20 measures reported
Rates of serious complications (like hip/knee replacement problems or accidental cuts during surgery) and 30-day mortality rates for common conditions.
| Measure | Score | Compared to national | Sample |
|---|---|---|---|
| Rate of complications for hip/knee replacement patients | 3.4 | Same as national | 207 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate | 2 | Better than national | 5981 |
| Death rate for heart attack patients | 9.6 | Better than national | 452 |
| Death rate for CABG surgery patients | 1 | Better than national | 357 |
| Death rate for COPD patients | 6.2 | Better than national | 296 |
| Death rate for heart failure patients | 6.6 | Better than national | 1479 |
| Death rate for pneumonia patients | 12.8 | Better than national | 1187 |
| Death rate for stroke patients | 12.7 | Same as national | 543 |
| Pressure ulcer rate | 0.52 | Same as national | 25523 |
| Death rate among surgical inpatients with serious treatable complications | 190.21 | Same as national | 628 |
| Iatrogenic pneumothorax rate | 0.24 | Same as national | 26226 |
| In-hospital fall-associated fracture rate | 0.25 | Same as national | 28785 |
| Postoperative hemorrhage or hematoma rate | 1.51 | Better than national | 9851 |
| Postoperative acute kidney injury requiring dialysis rate | 1.34 | Same as national | 5984 |
| Postoperative respiratory failure rate | 7.30 | Better than national | 5808 |
| Perioperative pulmonary embolism or deep vein thrombosis rate | 4.43 | Same as national | 10723 |
| Postoperative sepsis rate | 4.13 | Same as national | 5957 |
| Postoperative wound dehiscence rate | 1.47 | Same as national | 2526 |
| Abdominopelvic accidental puncture or laceration rate | 0.51 | Same as national | 7050 |
| CMS Medicare PSI 90: Patient safety and adverse events composite | 0.87 | Same as national | — |
Unplanned Hospital Visits & Readmissions
lower is better · 14 measures reported
How often patients return to the hospital unexpectedly within 30 days of discharge — a marker of care quality and discharge planning.
| Measure | Score | Compared to national | Sample |
|---|---|---|---|
| Hospital return days for heart attack patients | 9.9 | Not available | 600 |
| Hospital return days for heart failure patients | 10.4 | Not available | 1755 |
| Hospital return days for pneumonia patients | 7.5 | Not available | 1186 |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 14.3 | Better than national | 10974 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) | 10.1 | Better than national | 10145 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapy | 10.6 | Same as national | 3011 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy | 3.8 | Better than national | 3011 |
| Ratio of unplanned hospital visits after hospital outpatient surgery | 0.7 | Better than national | 3940 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission Rate | 13.3 | Same as national | 600 |
| Rate of readmission for CABG | 8.3 | Better than national | 354 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patients | 18 | Same as national | 371 |
| Heart failure (HF) 30-Day Readmission Rate | 17.9 | Better than national | 1755 |
| Rate of readmission after hip/knee replacement | 4.4 | Same as national | 194 |
| Pneumonia (PN) 30-Day Readmission Rate | 14.7 | Same as national | 1186 |
Patient Experience (HCAHPS)
higher is better · 9 measures reported
What patients say about their hospital stay — communication with nurses and doctors, responsiveness, cleanliness, pain management, and whether they would recommend the hospital.
| Measure | Score | Sample |
|---|---|---|
| Nurse communication - star rating | 4 | 572 |
| Doctor communication - star rating | 4 | 572 |
| Communication about medicines - star rating | 3 | 572 |
| Discharge information - star rating | 4 | 572 |
| Cleanliness - star rating | 3 | 572 |
| Quietness - star rating | 2 | 572 |
| Overall hospital rating - star rating | 4 | 572 |
| Recommend hospital - star rating | 5 | 572 |
| Summary star rating | 4 | 572 |
Timely & Effective Care
higher is better (unless a wait time) · 30 measures reported
How consistently hospitals follow recommended care processes — for example, giving heart-attack patients aspirin on arrival, or the average time spent in the emergency department.
| Measure | Score | Sample |
|---|---|---|
| Emergency department volume | very high | — |
| Global Malnutrition Composite Score | — | — |
| Global Malnutrition Composite Score: Malnutrition Diagnosis Documented | — | — |
| Global Malnutrition Composite Score: Malnutrition Risk Screening | — | — |
| Global Malnutrition Composite Score: Nutrition Assessment | — | — |
| Global Malnutrition Composite Score: Nutritional Care Plan | — | — |
| Hospital Harm - Severe Hyperglycemia | — | — |
| Hospital Harm - Severe Hypoglycemia | — | — |
| Hospital Harm - Opioid Related Adverse Events | — | — |
| Healthcare workers given influenza vaccination | 97 | 35546 |
| Average (median) time all patients spent in the emergency department before leaving from the visit, including psychiatric/mental health patients and patients who were transferred to another facility. A lower number of minutes is better | 281 | 395 |
| Average (median) time patients spent in the emergency department before leaving from the visit, excluding patients transferred to another facility or psychiatric care/mental health patients. A lower number of minutes is better | 283 | 346 |
| Average (median) time psychiatric/mental health patients spent in the emergency department before leaving from the visit. A lower number of minutes is better | 110 | 42 |
| Average (median) time patients spent in the emergency department before being transferred to another facility. A lower number of minutes is better | — | — |
| Left before being seen | 4 | 119116 |
| Head CT results | 20 | 15 |
| Endoscopy/polyp surveillance: appropriate follow-up interval for normal colonoscopy in average risk patients | 91 | 120 |
| Improvement in Patient's Visual Function within 90 Days Following Cataract Surgery | — | — |
| ST-Segment Elevation Myocardial Infarction (STEMI) | 0 | 48 |
| Safe Use of Opioids - Concurrent Prescribing | 21 | 12254 |
| Appropriate care for severe sepsis and septic shock | 49 | 126 |
| Septic Shock 3-Hour Bundle | 59 | 51 |
| Septic Shock 6-Hour Bundle | 95 | 21 |
| Severe Sepsis 3-Hour Bundle | 78 | 127 |
| Severe Sepsis 6-Hour Bundle | 85 | 71 |
| Discharged on Antithrombotic Therapy | 99 | 544 |
| Anticoagulation Therapy for Atrial Fibrillation/Flutter | — | — |
| Antithrombotic Therapy by End of Hospital Day 2 | 96 | 504 |
| Venous Thromboembolism Prophylaxis | 87 | 25433 |
| Intensive Care Unit Venous Thromboembolism Prophylaxis | — | — |
Maternal Health
lower is better · 4 measures reported
Measures of maternal outcomes and safe delivery practices, including severe complications during childbirth.
| Measure | Score | Sample |
|---|---|---|
| Cesarean Birth | — | — |
| Risk Adjusted Severe Obstetric Complications (All) | — | — |
| Risk Adjusted Severe Obstetric Complications (excluding blood-transfusion-only cases) | — | — |
| Maternal Morbidity Structural Measure | Yes | — |
Frequently asked questions
- How is Massachusetts General Hospital rated?
- Massachusetts General Hospital has a 5 out of 5 CMS overall star rating as of the latest CMS release.
- Does Massachusetts General Hospital have emergency services?
- Yes. Massachusetts General Hospital operates a 24/7 emergency department.
- Where is Massachusetts General Hospital located?
- Massachusetts General Hospital is located at 55 Fruit Street, Boston, MA 02114.
- What type of hospital is Massachusetts General Hospital?
- Massachusetts General Hospital is classified by CMS as a Acute Care Hospitals facility (Voluntary non-profit - Private).
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Data as of 2026-06-14. Source: CMS Provider Data Catalog. This is public data provided for informational purposes only and is not medical advice. See our methodology and editorial policy.