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Best hospitals in Alton, Illinois

CMS lists 3 active hospitals in Alton, Illinois: 2 acute care hospitals and 1 psychiatric hospital. 1 offers emergency services. The highest CMS overall rating here is 4 stars, held by OSF Saint Anthony's Health Center and Alton Memorial Hospital.

Compare the top 2
Hospitals
3
With a CMS star rating
2
Rated 5 stars
0
Emergency services
1
Beds
542

Best hospitals in Alton, Illinois, by measure

The best result among Alton, Illinois hospitals that report each measure, from the latest CMS data. Small differences between hospitals are often not statistically meaningful.

MeasureBest in AltonResultNational
Heart attack death rateLower is better · 2 hospitals reporting · Statewide rankingAlton Memorial Hospital10.6%11.9%
Heart failure death rateLower is better · 2 hospitals reporting · Statewide rankingOSF Saint Anthony's Health Center9.7%11.1%
Stroke death rateLower is better · 2 hospitals reporting · Statewide rankingAlton Memorial Hospital12.1%11.9%
Hospital-wide readmission rateLower is better · 2 hospitals reporting · Statewide rankingAlton Memorial Hospital15.1%15.0%
Serious complicationsLower is better · 2 hospitals reporting · Statewide rankingAlton Memorial Hospital0.801.00
Time in emergency departmentLower is better · 2 hospitals reporting · Statewide rankingOSF Saint Anthony's Health Center159 min162 min

All hospitals in Alton, Illinois

Sorted by CMS overall star rating, then size. CMS data as of Sep 30, 2026.

HospitalCMS overall ratingPatient survey ratingEmergency servicesBeds
OSF Saint Anthony's Health CenterAcute care hospitalNo296Compare
Alton Memorial HospitalAcute care hospitalYes222Compare
Alton Mental Health CenterPsychiatric hospitalNot ratedNot ratedNo24Compare