Skip to main content

MASSACHUSETTS GENERAL HOSPITAL — Quality & Patient Safety

BOSTON, MA · Acute Care Hospitals · Emergency services available

Source: CMS Hospital Compare, HCAHPS Survey

By BillRazor Research · Last updated June 1, 2026 · View pricing data

CMS Overall Hospital Quality

5

Out of 5 stars · CMS Hospital Compare rating

N/A

Patients recommend

573

Survey responses

Patient Satisfaction

4.0/5

Overall HCAHPS score

Avg Readmission Ratio

0.92

At or below average

Quality Measures

54

CMS-tracked metrics

Quality Score

100

Composite index

Patient Satisfaction — HCAHPS Survey Scores

Score out of 5.0 based on patient survey responses. Source: CMS HCAHPS.

Excess Readmission Ratios by Condition

Ratio vs national average (1.0 = average). Below 1.0 is better, above 1.0 indicates higher-than-expected readmissions.

Below average (better) Above average

Healthcare-Associated Infections (HAI)

Performance vs national benchmarks on hospital-acquired infection measures.

24

Better than average

Lower infection rates

12

Same as average

Near national rate

0

Worse than average

Higher infection rates

MeasureScorevs National
Central Line Associated Bloodstream Infection (ICU + select Wards): Lower Confidence Limit0.36Better than the National Benchmark
Central Line Associated Bloodstream Infection (ICU + select Wards): Upper Confidence Limit0.70Better than the National Benchmark
Central Line Associated Bloodstream Infection: Number of Device Days65346.00Better than the National Benchmark
Central Line Associated Bloodstream Infection (ICU + select Wards): Predicted Cases69.07Better than the National Benchmark
Central Line Associated Bloodstream Infection (ICU + select Wards): Observed Cases35.00Better than the National Benchmark
Central Line Associated Bloodstream Infection (ICU + select Wards)0.51Better than the National Benchmark
Catheter Associated Urinary Tract Infections (ICU + select Wards): Lower Confidence Limit0.46Better than the National Benchmark
Catheter Associated Urinary Tract Infections (ICU + select Wards): Upper Confidence Limit0.83Better than the National Benchmark
Catheter Associated Urinary Tract Infections (ICU + select Wards): Number of Urinary Catheter Days45081.00Better than the National Benchmark
Catheter Associated Urinary Tract Infections (ICU + select Wards): Predicted Cases68.70Better than the National Benchmark
Catheter Associated Urinary Tract Infections (ICU + select Wards): Observed Cases43.00Better than the National Benchmark
Catheter Associated Urinary Tract Infections (ICU + select Wards)0.63Better than the National Benchmark
SSI - Colon Surgery: Lower Confidence Limit0.43No Different than National Benchmark
SSI - Colon Surgery: Upper Confidence Limit1.16No Different than National Benchmark
SSI - Colon Surgery: Number of Procedures813.00No Different than National Benchmark
SSI - Colon Surgery: Predicted Cases21.94No Different than National Benchmark
SSI - Colon Surgery: Observed Cases16.00No Different than National Benchmark
SSI - Colon Surgery0.73No Different than National Benchmark
SSI - Abdominal Hysterectomy: Lower Confidence Limit0.11No Different than National Benchmark
SSI - Abdominal Hysterectomy: Upper Confidence Limit2.18No Different than National Benchmark
SSI - Abdominal Hysterectomy: Number of Procedures379.00No Different than National Benchmark
SSI - Abdominal Hysterectomy: Predicted Cases3.04No Different than National Benchmark
SSI - Abdominal Hysterectomy: Observed Cases2.00No Different than National Benchmark
SSI - Abdominal Hysterectomy0.66No Different than National Benchmark
MRSA Bacteremia: Lower Confidence Limit0.30Better than the National Benchmark
MRSA Bacteremia: Upper Confidence Limit0.80Better than the National Benchmark
MRSA Bacteremia: Patient Days345702.00Better than the National Benchmark
MRSA Bacteremia: Predicted Cases31.85Better than the National Benchmark
MRSA Bacteremia: Observed Cases16.00Better than the National Benchmark
MRSA Bacteremia0.50Better than the National Benchmark
Clostridium Difficile (C.Diff): Lower Confidence Limit0.60Better than the National Benchmark
Clostridium Difficile (C.Diff): Upper Confidence Limit0.84Better than the National Benchmark
Clostridium Difficile (C.Diff): Patient Days326079.00Better than the National Benchmark
Clostridium Difficile (C.Diff): Predicted Cases184.66Better than the National Benchmark
Clostridium Difficile (C.Diff): Observed Cases131.00Better than the National Benchmark
Clostridium Difficile (C.Diff)0.71Better than the National Benchmark

What quality scores mean for patients at MASSACHUSETTS GENERAL HOSPITAL

MASSACHUSETTS GENERAL HOSPITAL holds a CMS overall rating of 5 out of 5 stars, based on publicly reported quality measures. This places it at #5 out of 53 hospitals in MA. Quality ratings aggregate dozens of individual measures — from nurse communication and cleanliness to surgical complication rates and timely care — into a single composite. While no single number captures the full patient experience, the star rating provides a useful starting point for understanding whether a hospital consistently meets or falls short of national performance standards.

Readmission data offers a particularly important signal. MASSACHUSETTS GENERAL HOSPITAL's average excess readmission ratio is 0.92x the national average, indicating readmission rates at or below the national norm. This hospital reports readmission data across 6 conditions, and performance varies by diagnosis. High readmission rates can indicate issues with discharge planning, follow-up care coordination, or the initial quality of treatment — all factors that may also correlate with the complexity and accuracy of the resulting hospital bill.

Research consistently shows a correlation between hospital operational quality and billing accuracy. Hospitals that perform well on patient safety, infection control, and care coordination tend to have more robust administrative processes, including medical coding and billing. Conversely, facilities with lower quality scores — particularly those with higher-than-average infection rates (0 measures worse than average at MASSACHUSETTS GENERAL HOSPITAL) or elevated readmission ratios — often exhibit higher rates of billing discrepancies. If you have received a bill from a hospital with mixed quality indicators, a line-by-line review against regional benchmarks can identify charges that may not align with the care actually delivered.

Had a stay at MASSACHUSETTS GENERAL HOSPITAL?

Upload your bill and our system compares every line item against regional benchmarks. See exactly how your charges compare in 60 seconds.

No credit card required. Results in 60 seconds.

Data from CMS Hospital Compare, HCAHPS Patient Survey, Hospital-Acquired Infection (HAI) reports, and Hospital Readmissions Reduction Program (HRRP). All data is publicly available.

Star ratings and quality measures are published by the Centers for Medicare & Medicaid Services (CMS). This page is for informational purposes only and does not constitute medical advice.

Frequently Asked Questions About MASSACHUSETTS GENERAL HOSPITAL Quality

What is MASSACHUSETTS GENERAL HOSPITAL's CMS star rating?

MASSACHUSETTS GENERAL HOSPITAL has an overall CMS star rating of 5 out of 5, based on the Hospital Compare quality rating system. This rating incorporates patient experience, safety, readmission rates, mortality outcomes, and timely & effective care. Star ratings are updated annually by the Centers for Medicare & Medicaid Services.

How do patients rate MASSACHUSETTS GENERAL HOSPITAL?

Patient satisfaction data for MASSACHUSETTS GENERAL HOSPITAL is based on the HCAHPS patient survey, which measures experience across dimensions including nurse and doctor communication, staff responsiveness, and cleanliness. Detailed scores are available on this page.

Does MASSACHUSETTS GENERAL HOSPITAL have higher-than-average readmission rates?

MASSACHUSETTS GENERAL HOSPITAL's average excess readmission ratio is 0.92. A ratio above 1.0 means readmission rates are higher than the national average for the measured conditions. This hospital's readmission rate is at or below the national average. Source: CMS Hospital Readmissions Reduction Program.

How does MASSACHUSETTS GENERAL HOSPITAL compare to other MA hospitals?

MASSACHUSETTS GENERAL HOSPITAL's quality metrics, including star rating, patient satisfaction, readmission rates, and infection data, can be compared against other MA hospitals on this page. The state peers section shows the top-rated hospitals in MA for context.

Data sourced from CMS Hospital Compare and HCAHPS Patient Survey. All information is for educational purposes only.