Acute Care Hospitals · Voluntary non-profit - Private
Clara Maass Medical Center
- One Clara Maass Drive, Belleville, NJ 07109
- (973) 450-2000
- Acute Care Hospitals
- Emergency services available 24/7
At a glance
Clara Maass Medical Center carries a 3-star CMS overall rating — in line with the national norm. On healthcare-associated infection measures, it performs better than the national average on 12 and worse on 0.
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 | — | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Upper Confidence Limit | 0.930 | Better than national |
| Central Line Associated Bloodstream Infection: Number of Device Days | 3888 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Predicted Cases | 3.220 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Observed Cases | 0 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | 0.000 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Lower Confidence Limit | — | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Upper Confidence Limit | 1.018 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Number of Urinary Catheter Days | 3423 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Predicted Cases | 2.942 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Observed Cases | 0 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | 0.000 | Same as national |
| SSI - Colon Surgery: Lower Confidence Limit | — | Same as national |
| SSI - Colon Surgery: Upper Confidence Limit | 1.350 | Same as national |
| SSI - Colon Surgery: Number of Procedures | 81 | Same as national |
| SSI - Colon Surgery: Predicted Cases | 2.219 | Same as national |
| SSI - Colon Surgery: Observed Cases | 0 | Same as national |
| SSI - Colon Surgery | 0.000 | 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 | 90 | Not available |
| SSI - Abdominal Hysterectomy: Predicted Cases | 0.737 | Not available |
| SSI - Abdominal Hysterectomy: Observed Cases | 0 | Not available |
| SSI - Abdominal Hysterectomy | — | Not available |
| MRSA Bacteremia: Lower Confidence Limit | 0.304 | Same as national |
| MRSA Bacteremia: Upper Confidence Limit | 2.305 | Same as national |
| MRSA Bacteremia: Patient Days | 77263 | Same as national |
| MRSA Bacteremia: Predicted Cases | 4.186 | Same as national |
| MRSA Bacteremia: Observed Cases | 4 | Same as national |
| MRSA Bacteremia | 0.956 | Same as national |
| Clostridium Difficile (C.Diff): Lower Confidence Limit | 0.076 | Better than national |
| Clostridium Difficile (C.Diff): Upper Confidence Limit | 0.391 | Better than national |
| Clostridium Difficile (C.Diff): Patient Days | 70085 | Better than national |
| Clostridium Difficile (C.Diff): Predicted Cases | 31.914 | Better than national |
| Clostridium Difficile (C.Diff): Observed Cases | 6 | Better than national |
| Clostridium Difficile (C.Diff) | 0.188 | 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 | — | Not available | — |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate | 4.3 | Same as national | 964 |
| Death rate for heart attack patients | 14.2 | Same as national | 121 |
| Death rate for CABG surgery patients | — | Not available | — |
| Death rate for COPD patients | 9.2 | Same as national | 113 |
| Death rate for heart failure patients | 10.9 | Same as national | 332 |
| Death rate for pneumonia patients | 18 | Same as national | 262 |
| Death rate for stroke patients | 10.8 | Same as national | 88 |
| Pressure ulcer rate | 0.62 | Same as national | 3881 |
| Death rate among surgical inpatients with serious treatable complications | 204.96 | Same as national | 32 |
| Iatrogenic pneumothorax rate | 0.17 | Same as national | 4213 |
| In-hospital fall-associated fracture rate | 0.23 | Same as national | 4326 |
| Postoperative hemorrhage or hematoma rate | 2.12 | Same as national | 798 |
| Postoperative acute kidney injury requiring dialysis rate | 1.61 | Same as national | 139 |
| Postoperative respiratory failure rate | 9.09 | Same as national | 162 |
| Perioperative pulmonary embolism or deep vein thrombosis rate | 4.18 | Same as national | 814 |
| Postoperative sepsis rate | 4.36 | Same as national | 135 |
| Postoperative wound dehiscence rate | 1.69 | Same as national | 163 |
| Abdominopelvic accidental puncture or laceration rate | 0.88 | Same as national | 771 |
| CMS Medicare PSI 90: Patient safety and adverse events composite | 0.96 | 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 | 22.8 | Not available | 88 |
| Hospital return days for heart failure patients | 33.4 | Not available | 359 |
| Hospital return days for pneumonia patients | 7.9 | Not available | 241 |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 16.1 | Same as national | 1543 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) | 14.5 | Same as national | 418 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapy | — | Not available | — |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy | — | Not available | — |
| Ratio of unplanned hospital visits after hospital outpatient surgery | 0.9 | Same as national | 206 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission Rate | 13.6 | Same as national | 88 |
| Rate of readmission for CABG | — | Not available | — |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patients | 17.7 | Same as national | 117 |
| Heart failure (HF) 30-Day Readmission Rate | 20.4 | Same as national | 359 |
| Rate of readmission after hip/knee replacement | — | Not available | — |
| Pneumonia (PN) 30-Day Readmission Rate | 15.3 | Same as national | 241 |
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 | 3 | 868 |
| Doctor communication - star rating | 3 | 868 |
| Communication about medicines - star rating | 3 | 868 |
| Discharge information - star rating | 3 | 868 |
| Cleanliness - star rating | 3 | 868 |
| Quietness - star rating | 2 | 868 |
| Overall hospital rating - star rating | 2 | 868 |
| Recommend hospital - star rating | 3 | 868 |
| Summary star rating | 3 | 868 |
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 | — | — |
| Hospital Harm - Opioid Related Adverse Events | — | — |
| Healthcare workers given influenza vaccination | 97 | 1961 |
| 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 | 142 | 426 |
| 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 | 138 | 404 |
| Average (median) time psychiatric/mental health patients spent in the emergency department before leaving from the visit. A lower number of minutes is better | 276 | 22 |
| Average (median) time patients spent in the emergency department before being transferred to another facility. A lower number of minutes is better | — | — |
| Left before being seen | 0 | 80156 |
| Head CT results | — | — |
| Endoscopy/polyp surveillance: appropriate follow-up interval for normal colonoscopy in average risk patients | 91 | 86 |
| Improvement in Patient's Visual Function within 90 Days Following Cataract Surgery | — | — |
| ST-Segment Elevation Myocardial Infarction (STEMI) | — | — |
| Safe Use of Opioids - Concurrent Prescribing | 10 | 1686 |
| Appropriate care for severe sepsis and septic shock | 79 | 235 |
| Septic Shock 3-Hour Bundle | 94 | 87 |
| Septic Shock 6-Hour Bundle | 85 | 66 |
| Severe Sepsis 3-Hour Bundle | 88 | 235 |
| Severe Sepsis 6-Hour Bundle | 97 | 144 |
| Discharged on Antithrombotic Therapy | 96 | 437 |
| Anticoagulation Therapy for Atrial Fibrillation/Flutter | — | — |
| Antithrombotic Therapy by End of Hospital Day 2 | 88 | 429 |
| Venous Thromboembolism Prophylaxis | 49 | 7372 |
| 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 Clara Maass Medical Center rated?
- Clara Maass Medical Center has a 3 out of 5 CMS overall star rating as of the latest CMS release.
- Does Clara Maass Medical Center have emergency services?
- Yes. Clara Maass Medical Center operates a 24/7 emergency department.
- Where is Clara Maass Medical Center located?
- Clara Maass Medical Center is located at One Clara Maass Drive, Belleville, NJ 07109.
- What type of hospital is Clara Maass Medical Center?
- Clara Maass Medical Center is classified by CMS as a Acute Care Hospitals facility (Voluntary non-profit - Private).
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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.