Acute Care Hospitals · Voluntary non-profit - Other
Northwestern Medicine Mchenry
- 4201 Medical Center Drive, Mchenry, IL 60050
- (815) 344-5000
- Acute Care Hospitals
- Emergency services available 24/7
At a glance
Northwestern Medicine Mchenry carries a 5-star CMS overall rating — above the national norm. On healthcare-associated infection measures, it performs better than the national average on 12 and worse on 0. For 30-day readmissions, it beats the national rate on 0 measures and trails on 1.
Healthcare-Associated Infections
lower is better · 36 measures reported
Rates of infections patients can acquire while receiving care, such as central-line and catheter-associated infections, MRSA, and C. difficile.
| Measure | Score | Compared to national |
|---|---|---|
| Central Line Associated Bloodstream Infection (ICU + select Wards): Lower Confidence Limit | 0.070 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Upper Confidence Limit | 1.385 | Same as national |
| Central Line Associated Bloodstream Infection: Number of Device Days | 5968 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Predicted Cases | 4.770 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Observed Cases | 2 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | 0.419 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Lower Confidence Limit | 0.008 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Upper Confidence Limit | 0.748 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Number of Urinary Catheter Days | 7475 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Predicted Cases | 6.594 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Observed Cases | 1 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | 0.152 | Better than national |
| SSI - Colon Surgery: Lower Confidence Limit | 0.308 | Same as national |
| SSI - Colon Surgery: Upper Confidence Limit | 1.864 | Same as national |
| SSI - Colon Surgery: Number of Procedures | 228 | Same as national |
| SSI - Colon Surgery: Predicted Cases | 5.946 | Same as national |
| SSI - Colon Surgery: Observed Cases | 5 | Same as national |
| SSI - Colon Surgery | 0.841 | Same as national |
| SSI - Abdominal Hysterectomy: Lower Confidence Limit | — | Not available |
| SSI - Abdominal Hysterectomy: Upper Confidence Limit | — | Not available |
| SSI - Abdominal Hysterectomy: Number of Procedures | 87 | Not available |
| SSI - Abdominal Hysterectomy: Predicted Cases | 0.694 | Not available |
| SSI - Abdominal Hysterectomy: Observed Cases | 2 | Not available |
| SSI - Abdominal Hysterectomy | — | Not available |
| MRSA Bacteremia: Lower Confidence Limit | 0.385 | Same as national |
| MRSA Bacteremia: Upper Confidence Limit | 2.327 | Same as national |
| MRSA Bacteremia: Patient Days | 100701 | Same as national |
| MRSA Bacteremia: Predicted Cases | 4.763 | Same as national |
| MRSA Bacteremia: Observed Cases | 5 | Same as national |
| MRSA Bacteremia | 1.050 | Same as national |
| Clostridium Difficile (C.Diff): Lower Confidence Limit | 0.114 | Better than national |
| Clostridium Difficile (C.Diff): Upper Confidence Limit | 0.429 | Better than national |
| Clostridium Difficile (C.Diff): Patient Days | 95553 | Better than national |
| Clostridium Difficile (C.Diff): Predicted Cases | 38.503 | Better than national |
| Clostridium Difficile (C.Diff): Observed Cases | 9 | Better than national |
| Clostridium Difficile (C.Diff) | 0.234 | Better than national |
Complications & Deaths
lower is better · 20 measures reported
Rates of serious complications (like hip/knee replacement problems or accidental cuts during surgery) and 30-day mortality rates for common conditions.
| Measure | Score | Compared to national | Sample |
|---|---|---|---|
| Rate of complications for hip/knee replacement patients | 2.9 | Same as national | 350 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate | 2.9 | Better than national | 3331 |
| Death rate for heart attack patients | 11.1 | Same as national | 297 |
| Death rate for CABG surgery patients | 1.8 | Same as national | 117 |
| Death rate for COPD patients | 5.6 | Better than national | 352 |
| Death rate for heart failure patients | 7.4 | Better than national | 1182 |
| Death rate for pneumonia patients | 12 | Better than national | 1074 |
| Death rate for stroke patients | 12.3 | Same as national | 406 |
| Pressure ulcer rate | 0.89 | Same as national | 11721 |
| Death rate among surgical inpatients with serious treatable complications | 137.60 | Same as national | 126 |
| Iatrogenic pneumothorax rate | 0.19 | Same as national | 13961 |
| In-hospital fall-associated fracture rate | 0.28 | Same as national | 14258 |
| Postoperative hemorrhage or hematoma rate | 1.47 | Same as national | 2273 |
| Postoperative acute kidney injury requiring dialysis rate | 1.60 | Same as national | 804 |
| Postoperative respiratory failure rate | 5.41 | Same as national | 781 |
| Perioperative pulmonary embolism or deep vein thrombosis rate | 2.96 | Same as national | 2615 |
| Postoperative sepsis rate | 3.85 | Same as national | 771 |
| Postoperative wound dehiscence rate | 1.47 | Same as national | 500 |
| Abdominopelvic accidental puncture or laceration rate | 0.84 | Same as national | 2041 |
| CMS Medicare PSI 90: Patient safety and adverse events composite | 0.87 | Same as national | — |
Unplanned Hospital Visits & Readmissions
lower is better · 14 measures reported
How often patients return to the hospital unexpectedly within 30 days of discharge — a marker of care quality and discharge planning.
| Measure | Score | Compared to national | Sample |
|---|---|---|---|
| Hospital return days for heart attack patients | 2.1 | Not available | 327 |
| Hospital return days for heart failure patients | -3.2 | Not available | 1371 |
| Hospital return days for pneumonia patients | -2.1 | Not available | 1137 |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 15 | Same as national | 5793 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) | 12.3 | Same as national | 2458 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapy | 14.3 | Worse than national | 248 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy | 4.9 | Same as national | 248 |
| Ratio of unplanned hospital visits after hospital outpatient surgery | 0.9 | Same as national | 798 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission Rate | 14.3 | Same as national | 327 |
| Rate of readmission for CABG | 12.2 | Same as national | 115 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patients | 18.1 | Same as national | 413 |
| Heart failure (HF) 30-Day Readmission Rate | 18.6 | Same as national | 1371 |
| Rate of readmission after hip/knee replacement | 5.2 | Same as national | 330 |
| Pneumonia (PN) 30-Day Readmission Rate | 16.3 | Same as national | 1137 |
Patient Experience (HCAHPS)
higher is better · 9 measures reported
What patients say about their hospital stay — communication with nurses and doctors, responsiveness, cleanliness, pain management, and whether they would recommend the hospital.
| Measure | Score | Sample |
|---|---|---|
| Nurse communication - star rating | 4 | 1080 |
| Doctor communication - star rating | 3 | 1080 |
| Communication about medicines - star rating | 3 | 1080 |
| Discharge information - star rating | 4 | 1080 |
| Cleanliness - star rating | 4 | 1080 |
| Quietness - star rating | 4 | 1080 |
| Overall hospital rating - star rating | 4 | 1080 |
| Recommend hospital - star rating | 4 | 1080 |
| Summary star rating | 4 | 1080 |
Timely & Effective Care
higher is better (unless a wait time) · 30 measures reported
How consistently hospitals follow recommended care processes — for example, giving heart-attack patients aspirin on arrival, or the average time spent in the emergency department.
| Measure | Score | Sample |
|---|---|---|
| Emergency department volume | very high | — |
| Global Malnutrition Composite Score | — | — |
| Global Malnutrition Composite Score: Malnutrition Diagnosis Documented | — | — |
| Global Malnutrition Composite Score: Malnutrition Risk Screening | — | — |
| Global Malnutrition Composite Score: Nutrition Assessment | — | — |
| Global Malnutrition Composite Score: Nutritional Care Plan | — | — |
| Hospital Harm - Severe Hyperglycemia | — | — |
| Hospital Harm - Severe Hypoglycemia | 2 | 4903 |
| Hospital Harm - Opioid Related Adverse Events | — | — |
| Healthcare workers given influenza vaccination | 90 | 4267 |
| Average (median) time all patients spent in the emergency department before leaving from the visit, including psychiatric/mental health patients and patients who were transferred to another facility. A lower number of minutes is better | 197 | 403 |
| Average (median) time patients spent in the emergency department before leaving from the visit, excluding patients transferred to another facility or psychiatric care/mental health patients. A lower number of minutes is better | 191 | 373 |
| Average (median) time psychiatric/mental health patients spent in the emergency department before leaving from the visit. A lower number of minutes is better | 336 | 22 |
| Average (median) time patients spent in the emergency department before being transferred to another facility. A lower number of minutes is better | 234 | 12 |
| Left before being seen | 2 | 85883 |
| Head CT results | 92 | 40 |
| Endoscopy/polyp surveillance: appropriate follow-up interval for normal colonoscopy in average risk patients | 100 | 73 |
| Improvement in Patient's Visual Function within 90 Days Following Cataract Surgery | — | — |
| ST-Segment Elevation Myocardial Infarction (STEMI) | — | — |
| Safe Use of Opioids - Concurrent Prescribing | 16 | 4906 |
| Appropriate care for severe sepsis and septic shock | 74 | 136 |
| Septic Shock 3-Hour Bundle | 81 | 47 |
| Septic Shock 6-Hour Bundle | 88 | 24 |
| Severe Sepsis 3-Hour Bundle | 88 | 136 |
| Severe Sepsis 6-Hour Bundle | 95 | 84 |
| Discharged on Antithrombotic Therapy | 97 | 224 |
| Anticoagulation Therapy for Atrial Fibrillation/Flutter | — | — |
| Antithrombotic Therapy by End of Hospital Day 2 | 96 | 277 |
| Venous Thromboembolism Prophylaxis | — | — |
| Intensive Care Unit Venous Thromboembolism Prophylaxis | — | — |
Maternal Health
lower is better · 4 measures reported
Measures of maternal outcomes and safe delivery practices, including severe complications during childbirth.
| Measure | Score | Sample |
|---|---|---|
| Cesarean Birth | — | — |
| Risk Adjusted Severe Obstetric Complications (All) | — | — |
| Risk Adjusted Severe Obstetric Complications (excluding blood-transfusion-only cases) | — | — |
| Maternal Morbidity Structural Measure | Yes | — |
Frequently asked questions
- How is Northwestern Medicine Mchenry rated?
- Northwestern Medicine Mchenry has a 5 out of 5 CMS overall star rating as of the latest CMS release.
- Does Northwestern Medicine Mchenry have emergency services?
- Yes. Northwestern Medicine Mchenry operates a 24/7 emergency department.
- Where is Northwestern Medicine Mchenry located?
- Northwestern Medicine Mchenry is located at 4201 Medical Center Drive, Mchenry, IL 60050.
- What type of hospital is Northwestern Medicine Mchenry?
- Northwestern Medicine Mchenry is classified by CMS as a Acute Care Hospitals facility (Voluntary non-profit - Other).
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Data as of 2026-06-14. Source: CMS Provider Data Catalog. This is public data provided for informational purposes only and is not medical advice. See our methodology and editorial policy.