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NORTHSHORE UNIVERSITY HEALTHSYSTEM - EVANSTON HOSPITAL — Quality & Patient Safety

EVANSTON, IL · 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

3,597

Survey responses

Patient Satisfaction

3.0/5

Overall HCAHPS score

Avg Readmission Ratio

0.99

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.

18

Better than average

Lower infection rates

12

Same as average

Near national rate

6

Worse than average

Higher infection rates

MeasureScorevs National
Central Line Associated Bloodstream Infection (ICU + select Wards): Lower Confidence Limit0.11Better than the National Benchmark
Central Line Associated Bloodstream Infection (ICU + select Wards): Upper Confidence Limit0.49Better than the National Benchmark
Central Line Associated Bloodstream Infection: Number of Device Days28812.00Better than the National Benchmark
Central Line Associated Bloodstream Infection (ICU + select Wards): Predicted Cases28.22Better than the National Benchmark
Central Line Associated Bloodstream Infection (ICU + select Wards): Observed Cases7.00Better than the National Benchmark
Central Line Associated Bloodstream Infection (ICU + select Wards)0.25Better than the National Benchmark
Catheter Associated Urinary Tract Infections (ICU + select Wards): Lower Confidence Limit0.26Better than the National Benchmark
Catheter Associated Urinary Tract Infections (ICU + select Wards): Upper Confidence Limit0.81Better than the National Benchmark
Catheter Associated Urinary Tract Infections (ICU + select Wards): Number of Urinary Catheter Days22622.00Better than the National Benchmark
Catheter Associated Urinary Tract Infections (ICU + select Wards): Predicted Cases25.15Better than the National Benchmark
Catheter Associated Urinary Tract Infections (ICU + select Wards): Observed Cases12.00Better than the National Benchmark
Catheter Associated Urinary Tract Infections (ICU + select Wards)0.48Better than the National Benchmark
SSI - Colon Surgery: Lower Confidence Limit0.36No Different than National Benchmark
SSI - Colon Surgery: Upper Confidence Limit1.46No Different than National Benchmark
SSI - Colon Surgery: Number of Procedures434.00No Different than National Benchmark
SSI - Colon Surgery: Predicted Cases10.43No Different than National Benchmark
SSI - Colon Surgery: Observed Cases8.00No Different than National Benchmark
SSI - Colon Surgery0.77No Different than National Benchmark
SSI - Abdominal Hysterectomy: Lower Confidence Limit1.34Worse than the National Benchmark
SSI - Abdominal Hysterectomy: Upper Confidence Limit5.06Worse than the National Benchmark
SSI - Abdominal Hysterectomy: Number of Procedures403.00Worse than the National Benchmark
SSI - Abdominal Hysterectomy: Predicted Cases3.26Worse than the National Benchmark
SSI - Abdominal Hysterectomy: Observed Cases9.00Worse than the National Benchmark
SSI - Abdominal Hysterectomy2.76Worse than the National Benchmark
MRSA Bacteremia: Lower Confidence Limit0.36No Different than National Benchmark
MRSA Bacteremia: Upper Confidence Limit1.37No Different than National Benchmark
MRSA Bacteremia: Patient Days198007.00No Different than National Benchmark
MRSA Bacteremia: Predicted Cases12.04No Different than National Benchmark
MRSA Bacteremia: Observed Cases9.00No Different than National Benchmark
MRSA Bacteremia0.75No Different than National Benchmark
Clostridium Difficile (C.Diff): Lower Confidence Limit0.20Better than the National Benchmark
Clostridium Difficile (C.Diff): Upper Confidence Limit0.46Better than the National Benchmark
Clostridium Difficile (C.Diff): Patient Days182671.00Better than the National Benchmark
Clostridium Difficile (C.Diff): Predicted Cases74.35Better than the National Benchmark
Clostridium Difficile (C.Diff): Observed Cases23.00Better than the National Benchmark
Clostridium Difficile (C.Diff)0.31Better than the National Benchmark

What quality scores mean for patients at NORTHSHORE UNIVERSITY HEALTHSYSTEM - EVANSTON HOSPITAL

NORTHSHORE UNIVERSITY HEALTHSYSTEM - EVANSTON HOSPITAL holds a CMS overall rating of 5 out of 5 stars, based on publicly reported quality measures. This places it at #4 out of 124 hospitals in IL. 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. NORTHSHORE UNIVERSITY HEALTHSYSTEM - EVANSTON HOSPITAL's average excess readmission ratio is 0.99x 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 (6 measures worse than average at NORTHSHORE UNIVERSITY HEALTHSYSTEM - EVANSTON 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.

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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 NORTHSHORE UNIVERSITY HEALTHSYSTEM - EVANSTON HOSPITAL Quality

What is NORTHSHORE UNIVERSITY HEALTHSYSTEM - EVANSTON HOSPITAL's CMS star rating?

NORTHSHORE UNIVERSITY HEALTHSYSTEM - EVANSTON 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 NORTHSHORE UNIVERSITY HEALTHSYSTEM - EVANSTON HOSPITAL?

Patient satisfaction data for NORTHSHORE UNIVERSITY HEALTHSYSTEM - EVANSTON 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 NORTHSHORE UNIVERSITY HEALTHSYSTEM - EVANSTON HOSPITAL have higher-than-average readmission rates?

NORTHSHORE UNIVERSITY HEALTHSYSTEM - EVANSTON HOSPITAL's average excess readmission ratio is 0.99. 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 NORTHSHORE UNIVERSITY HEALTHSYSTEM - EVANSTON HOSPITAL compare to other IL hospitals?

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

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