Hospitals in St. Clair County, Illinois
3 Medicare-certified hospitals, sorted by CMS overall rating (a national standard — not curved within Illinois). “Not rated” is CMS’s own suppression, never a judgment.
| Hospital | City | CMS rating | ER |
|---|---|---|---|
| Memorial Hospital | Belleville | ★★★★★5 | Yes |
| Hshs St Elizabeth's Hospital | O Fallon | ★★★★★4 | Yes |
| Touchette Regional Hospital Inc | Centreville | not rated | Yes |
Data: Centers for Medicare & Medicaid Services (data.cms.gov), last updated April 28, 2026. This site is not affiliated with CMS or any government agency.