Healthcare providers in McHenry County, IL
Data as of 2026-10-27. Sources: CMS, NPPES and state records; see methodology.
Hospitals
2
Hospital outpatient sites
6
ERs, clinics and campuses
Urgent care centers
10
Nursing homes
8
Hospital systems in McHenry 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 McHenry County
13 owners and operators ranked by facilities, for hospitals, urgent care and nursing homes. County-level share is in the full report.
McHenry 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
2| Name | City | Type |
|---|---|---|
| MERCY HARVARD HOSPITAL | HARVARD | Critical access hospital |
| NORTHWESTERN MEDICINE MCHENRY | MCHENRY | Short-term acute hospital |
Nursing homes
8| Name | City | Type |
|---|---|---|
| Alden Terrace Of Mchenry Rehab | Mchenry | Nursing home (skilled nursing) · 1★ CMS |
| Crystal Pines Rehab & Hcc | Crystal Lake | Nursing home (skilled nursing) · 1★ CMS |
| Fair Oaks Health Care Center | Crystal Lake | Nursing home (skilled nursing) · 3★ CMS |
| Florence Nursing Home | Marengo | Nursing home (skilled nursing) · 5★ CMS |
| Highlight Healthcare Of Woodstock, Llc | Woodstock | Nursing home (skilled nursing) · 1★ CMS |
| Mercy Harvard Hospital Care Center | Harvard | Nursing home (skilled nursing) · 5★ CMS |
| Pearl Of Crystal Lake, The | Crystal Lake | Nursing home (skilled nursing) · 5★ CMS |
| Valley Hi Nursing Home | Woodstock | Nursing home (skilled nursing) · 4★ CMS |
Urgent care centers
10| Name | City | Type |
|---|---|---|
| Advocate Good Shepherd Immediate Care Center | Crystal Lake | Urgent care center |
| Advocate Sherman Immediate Care Center - Algonquin | Algonquin | Urgent care center |
| Cepamerica Illinois Llp | Algonquin | Urgent care center |
| Island Lake Urgent Care Inc | Island Lake | Urgent care center |
| Northwestern Medicine Immediate Care Crystal Lake | Crystal Lake | Urgent care center |
| Northwestern Medicine Immediate Care Huntley | Huntley | Urgent care center |
| Northwestern Medicine Immediate Care McHenry | McHenry | Urgent care center |
| WellNow Urgent Care - Algonquin | Algonquin | Urgent care center |
| WellNow Urgent Care - McHenry | McHenry | Urgent care center |
| Woodstock Urgent Care And Integrated Medicine Pc | Woodstock | Urgent care center |
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