Hospitals in Illinois

Quality Snapshot: Hospitals in Illinois

Of the 194 hospitals in Illinois, 124 have CMS star ratings. 45 hospitals are rated 4 stars or higher, indicating above-average quality across mortality, safety, readmission, patient experience, and timely care. 51 hospitals are rated below 3 stars — consider reviewing their specific quality measures before choosing.

CMS Star Rating Distribution

CMS rates hospitals 1–5 stars based on mortality, safety, readmission, patient experience (HCAHPS), and timely & effective care. Higher is better.

Highest-Rated Hospitals in Illinois

These hospitals earned the highest CMS overall star ratings in Illinois. Higher ratings reflect better outcomes across mortality, safety, readmission, patient experience, and timely care.

All 194 Hospitals in Illinois

Complete directory of Medicare-certified hospitals in Illinois, sorted by CMS overall star rating. Click any hospital name for a detailed quality profile including infection rates, patient experience scores, and affiliated doctors.

Hospital quality data from CMS Hospital Compare. Bed counts from the Provider of Services file. Click hospital names for full quality profiles.

Hospital Types in Illinois

Understanding hospital types helps you match facilities to your care needs. in Illinois, hospitals break down as: 119 Acute Care, 55 Critical Access, 17 Psychiatric, 3 Children's.

Emergency Services in Illinois

Access to emergency care is a critical factor when choosing a hospital and a Medicare plan. in Illinois, 175 of 194 hospitals (90%) operate emergency departments. 14 facilities offer comprehensive critical care (6+ unit types), equipped to handle the widest range of emergencies from cardiac events to trauma.

Emergency services data self-reported by facilities to CMS. If emergency access is important to you, confirm directly with the hospital and check that it's in your plan's network.

Why Hospital Quality Matters for Medicare Beneficiaries

When choosing a Medicare Advantage plan, your hospital options are determined by the plan's provider network. Understanding local hospital quality helps you make an informed decision:

• Network matters: Medicare Advantage (Part C) plans limit which hospitals you can use. Original Medicare covers any Medicare-certified hospital, but supplemental coverage varies. Always verify network status before enrolling.
• Quality varies locally: Even among hospitals in Illinois, CMS ratings range significantly. A 1-star difference in overall rating reflects meaningful differences in patient outcomes.
• Emergency access: In an emergency, Medicare covers the nearest hospital regardless of network. But for planned procedures, choosing a higher-rated in-network hospital can reduce complications and readmissions.
• Specialist availability: Hospitals with more affiliated physicians and teaching programs typically offer broader specialty access — important if you need cardiology, oncology, or orthopedic care.

Read our complete guide to choosing a Medicare plan →

Community Context: Illinois

Hospital quality doesn't exist in a vacuum — the demographics of a community shape the healthcare infrastructure around it. Areas with higher senior populations tend to have more hospital beds and specialty services. Understanding who lives in Illinois helps contextualize the hospital landscape above.

Demographic data from the U.S. Census Bureau American Community Survey. Crime data from CrimeGrade.org. Community profiles from BestNeighborhood.org.

Illinois's senior population (16.5%) is near the national average, supporting a moderate healthcare infrastructure. The area earns a B overall crime grade — above average for safety.

Hospital FAQ: Illinois

About the Data & Editorial Team

Wes Ward

Founder & Data Lead

Wes Ward is the founder of InsuranceDataNow.org and reviews all content for data accuracy and methodology compliance.

With 25+ years in data analytics — including work with highly regulated genomic data at Ancestry.com — Wes brings enterprise-level rigor to consumer data tools. He is also a co-founder of BestNeighborhood.org, CrimeGrade.org, and ISPReports.org.

Role: Reviews and approves all content for data accuracy, source verification, and methodology compliance.

View full profile → • LinkedIn

Sources

• CMS Hospital Compare: Hospital quality measures and star ratings from data.cms.gov
• CMS Provider of Services: Bed counts, staffing, and facility data from data.cms.gov
• American Community Survey: Demographic data from census.gov
• CrimeGrade.org: Crime grades for Illinois from crimegrade.org
• BestNeighborhood.org: Community profiles for Illinois from bestneighborhood.org

All data is sourced from official government databases and trusted third-party providers. Data is updated regularly — see page header for last refresh dates.

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