Healthcare providers in Williamson County, IL
Data as of 2026-10-27. Sources: CMS, NPPES and state records; see methodology.
Hospitals
6
Hospital outpatient sites
1
ERs, clinics and campuses
Urgent care centers
1
Nursing homes
5
Hospital systems in Williamson County
Systems and operators named in public records (CMS ownership, company disclosures); hospitals whose owner is not yet confirmed are left out.
Market share by owner in Williamson County
8 owners and operators ranked by facilities, for hospitals, urgent care and nursing homes. County-level share is in the full report.
Williamson County market report
Hospital systems and their outpatient sites, hospital margins and payer mix, ownership concentration (HHI), nursing home quality and staffing, demographics, clinician supply and deal history, compared with the state.
Hospitals
6| Name | City | Type |
|---|---|---|
| Deaconess Illinois Medical Center | MARION | Short-term acute hospital |
| HERRIN HOSPITAL | HERRIN | Short-term acute hospital |
| MARION IL VA MEDICAL CENTER | Marion | Federal hospital |
| SIH Cancer Care Services | Marion | Hospital outpatient department |
| SIH Cancer Institute | Carterville | Hospital outpatient department |
| SIH Center for Wound Healing Herrin | Herrin | Hospital outpatient department |
Nursing homes
5| Name | City | Type |
|---|---|---|
| Helia Healthcare Of Energy | Energy | Nursing home (skilled nursing) · 1★ CMS |
| Integrity Hc Of Herrin | Herrin | Nursing home (skilled nursing) · 2★ CMS |
| Integrity Hc Of Marion | Marion | Nursing home (skilled nursing) · 1★ CMS |
| Parkway Manor | Marion | Nursing home (skilled nursing) · 4★ CMS |
| Shawnee Senior Living | Herrin | Nursing home (skilled nursing) · 2★ CMS |
Urgent care centers
1| Name | City | Type |
|---|---|---|
| Heartland Women'S Healthcare Ltd | Marion | Urgent care center |
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