CAverage · score 44/100 · #93 of 146 in Illinois
Mercyhealth Hospital & Physician Clinic-Crystal La
875 S Route 31, Crystal Lake, IL 60014 · Acute care hospital · Voluntary non-profit - Private
Mortality: 0 measures better than the national rate, 0 worse, of 1
Safety: 0 measures better than the national rate, 0 worse, of 1
Readmission: 0 measures better than the national rate, 0 worse, of 2
Why Mercyhealth Hospital & Physician Clinic-Crystal La is graded C
Each metric below is percentile-ranked against Illinois hospitals of the same type (acute care hospitals), then weighted. The score is the weighted sum; A ≥ 72, B ≥ 58, C ≥ 42, D ≥ 28, F below. Nothing here can be edited or paid for.
Mercyhealth Hospital & Physician Clinic-Crystal La at a Glance
C
44/100
CMS overall rating · weight 25Medicare's 1–5 star summary of mortality, safety, readmission, patient experience and timely care.
–Mortality · weight 25Net count of death-rate measures where the hospital is better than the national rate minus those where it is worse (heart attack, heart failure, pneumonia, stroke, CABG, COPD, surgical). Raw: 0 better, 0 worse of 1 measures (net +0).
38<small style="font-size:12px;color:var(--muted)">th pct</small>Safety of care · weight 25Net count of safety measures better than the national rate minus worse (infections, complications, falls, pressure injuries). Raw: 0 better, 0 worse of 1 measures (net +0).
22<small style="font-size:12px;color:var(--muted)">th pct</small>Readmission · weight 25Net count of unplanned-readmission measures better than the national rate minus worse. Raw: 0 better, 0 worse of 2 measures (net +0).
72<small style="font-size:12px;color:var(--muted)">th pct</small>Patient experience and timely careCMS reports 5 patient-experience and 8 timely-and-effective-care measures for this hospital; they feed the CMS overall rating above rather than being graded separately.
–Data: CMS Care Compare, imported Sep 11, 2026 · graded Sep 11, 2026 · peer group: Illinois, acute care hospitals · CMS record 140308 · How we grade.
Hospital details
Address875 S Route 31, Crystal Lake, IL 60014
Phone(792) 220-5500
CountyMC HENRY
TypeAcute Care Hospitals
OwnershipVoluntary non-profit - Private
Emergency servicesYes
Higher-graded hospitals nearby
1
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- Mortality: 4 measures better than the national rate, 0 worse, of 8
1
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- Mortality: 3 measures better than the national rate, 0 worse, of 7
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Memorial Hospital - Belleville, IL · Acute care hospital
- CMS overall rating 5 of 5 — top 10% among Illinois acute care hospitals
- Mortality: 2 measures better than the national rate, 0 worse, of 8
A grade is a shortlist tool, not medical advice. In an emergency go to the nearest emergency department. For planned care, ask about the specific procedure's volume and outcomes and check your insurer's network.