One Clara Maass Drive, Belleville, NJ, 07109 · (973) 450-2000
Beds
259
FY 2025
Star rating
3 of 5
Patient survey: 3 of 5
Net patient revenue
$432.2M
FY 2025
Net income
$48.3M
Patient care margin 7.6%
Discharges
12,678
Occupancy 68.2%
Clinicians
512
From the hospital's yearly cost reports (fiscal years as the hospital reports them)
Locations are shown at the center of the ZIP code.
US dollars as reported. Patient care margin = net patient revenue minus operating expenses, before other income such as grants, donations and investments.
| Fiscal year | Net patient revenue | Operating expenses | Patient care margin | Net income | Discharges | Uncompensated care | Medicare days | Medicaid days |
|---|---|---|---|---|---|---|---|---|
| 2025 | $432.2M | $399.3M | 7.6% | $48.3M | 12,678 | $36.3M | 22.6% | 9.5% |
Official hospital quality measures with the national median across hospitals. For ratios, 1.00 means as many cases as expected.
| Death rate for COPD patients | 7.7% | US median 8.5% |
| Death rate for heart attack patients | 12.9% | US median 11.8% |
| Death rate for heart failure patients | 9.6% | US median 11% |
| Hospital-wide death rate within 30 days | 3.5% | US median 3.9% |
| Death rate for pneumonia patients | 17% | US median 15.2% |
| Death rate for stroke patients | 10.1% | US median 11.6% |
Medicare clinicians who list this hospital, by specialty
Inpatient stays by diagnosis related group (DRG), 2024
Official US government data: hospital records, ownership records, yearly cost reports and quality measures, linked by the hospital's CCN and NPI. Financials are for fiscal years as reported by the hospital.
Medicare clinicians who work here
| 2024 | $384.8M | $389.0M | -1.1% | $7.8M | 13,511 | $39.2M | 22.8% | 8.7% |
| 2023 | $356.6M | $374.6M | -5.1% | -$11.4M | 13,119 | $30.1M | 20.4% | 8.0% |
| 2022 | $360.2M | $371.5M | -3.1% | -$332K | 14,818 | $31.9M | 23.6% | 6.6% |
| 2021 | $319.8M | $344.0M | -7.6% | $3.1M | 13,505 | $31.6M | 25.4% | 8.2% |
| 2020 | $260.9M | $315.0M | -20.7% | -$28.3M | 11,041 | $19.9M | 26.4% | 9.2% |
| Readmission rate for COPD | 20.3% | US median 19.8% |
| Readmission rate after a heart attack | 15.5% | US median 14.4% |
| Readmission rate for heart failure | 21.9% | US median 21.3% |
| Readmission rate for pneumonia | 18.4% | US median 17.2% |
| Serious complications (patient safety composite) | 0.96 | US median 0.96 |
| C. diff intestinal infections (ratio to expected) | 0.16 | US median 0.28 · better |
| Central line bloodstream infections (ratio to expected) | 0.00 | US median 0.48 |
| Surgical site infections after colon surgery (ratio to expected) | 0.00 | US median 0.72 |
| MRSA bloodstream infections (ratio to expected) | 0.99 | US median 0.60 |
| Catheter urinary tract infections (ratio to expected) | 0.00 | US median 0.40 |
| Doctors always communicated well | 78% | US median 79% |
| Nurses always communicated well | 77% | US median 80% |
| Patient survey summary star rating | 3 of 5 | US median 3 of 5 |
| Area around the room always quiet at night | 41% | US median 59% |
| Patients who rated the hospital 9 or 10 out of 10 | 63% | US median 72% |
| Room and bathroom always clean | 72% | US median 73% |
| Patients who would definitely recommend the hospital | 64% | US median 71% |
| Patients who left the emergency department before being seen | 0% | US median 1% |
| Median time in the emergency department before leaving (minutes) | 142 min | US median 148 min |
| Patients prescribed 2 or more opioids or opioids with benzodiazepines at discharge | 10% | US median 15% |
| Patients who got appropriate care for severe sepsis and septic shock | 79% | US median 65% |
| Healthcare workers given the flu vaccine | 97% | US median 79% |
| 83 |
| $113,535.82 |
| $13,165.48 |
| $12,400.10 |
| DRG 193 SIMPLE PNEUMONIA AND PLEURISY WITH MCC | 64 | $105,417.70 | $9,829.23 | $9,867.73 |
| DRG 689 KIDNEY AND URINARY TRACT INFECTIONS WITH MCC | 50 | $119,989.00 | $11,370.40 | $8,838.11 |
| DRG 177 RESPIRATORY INFECTIONS AND INFLAMMATIONS WITH MCC | 48 | $145,876.77 | $15,572.46 | $12,667.88 |
| DRG 690 KIDNEY AND URINARY TRACT INFECTIONS WITHOUT MCC | 43 | $59,395.09 | $6,645.77 | $5,985.69 |
| DRG 682 RENAL FAILURE WITH MCC | 40 | $100,598.10 | $12,974.00 | $11,457.18 |
| DRG 640 MISCELLANEOUS DISORDERS OF NUTRITION, METABOLISM, FLUIDS AND ELECTROLYTES WITH MCC | 36 | $112,910.89 | $10,285.69 | $10,642.23 |
| DRG 683 RENAL FAILURE WITH CC | 34 | $78,098.74 | $6,825.74 | $6,629.69 |
| DRG 392 ESOPHAGITIS, GASTROENTERITIS AND MISCELLANEOUS DIGESTIVE DISORDERS WITHOUT MCC | 32 | $72,287.84 | $6,894.47 | $5,662.18 |
| DRG 190 CHRONIC OBSTRUCTIVE PULMONARY DISEASE WITH MCC | 32 | $96,682.00 | $7,769.84 | $8,466.56 |
| DRG 603 CELLULITIS WITHOUT MCC | 31 | $68,171.42 | $6,985.39 | $6,446.25 |
| DRG 378 GASTROINTESTINAL HEMORRHAGE WITH CC | 30 | $70,400.90 | $7,793.73 | $7,294.77 |
| DRG 309 CARDIAC ARRHYTHMIA AND CONDUCTION DISORDERS WITH CC | 29 | $64,405.52 | $5,400.93 | $5,247.13 |
Hospital outpatient services by payment group (APC), 2024
| Service group | Services | Patients | Medicare pays per service | All hospitals |
|---|---|---|---|---|
| APC 8011 Comprehensive Observation Services | 456 | 399 | $2,194.94 | $2,090.36 |
| APC 5492 Level 2 Intraocular Procedures | 359 | 331 | $3,418.52 | $3,116.50 |
| APC 5491 Level 1 Intraocular Procedures | 154 | 118 | $1,877.55 | $1,751.67 |
| APC 5493 Level 3 Intraocular Procedures | 98 | 81 | $4,378.88 | $4,003.85 |
| APC 5191 Level 1 Endovascular Procedures | 75 | 75 | $2,250.46 | $2,207.96 |
| APC 5374 Level 4 Urology and Related Services | 72 | 63 | $2,838.46 | $2,629.24 |
| APC 5375 Level 5 Urology and Related Services | 71 | 65 | $4,114.14 | $3,917.51 |
| APC 5072 Level 2 Excision/ Biopsy/ Incision and Drainage | 66 | 34 | $1,366.49 | $1,219.56 |
| APC 5115 Level 5 Musculoskeletal Procedures | 48 | 48 | $11,955.00 | $10,771.69 |
| APC 5114 Level 4 Musculoskeletal Procedures | 40 | 39 | $5,811.68 | $5,338.75 |
| APC 5193 Level 3 Endovascular Procedures | 31 | 28 | $9,841.22 | $8,873.86 |
| APC 5184 Level 4 Vascular Procedures | 28 | 26 | $4,367.04 | $3,945.82 |
Official US government data on Original Medicare hospital stays and outpatient services; groups with fewer than 11 cases are not published. Payments are those drug and device companies must report.
Clara Maass Medical Center is a nonprofit short-term acute care hospital in Belleville, NJ with 259 beds, part of RWJBarnabas Health and a 3-star overall rating.
Clara Maass Medical Center in Belleville, NJ has 259 beds (fiscal year 2025 cost report); 472 beds are certified for Medicare. It discharged 12,678 inpatients that year, with 68.2% of its beds in use on average.
In fiscal year 2025 (ending 2025-12-31), Clara Maass Medical Center reported net patient revenue of $432.2M and operating expenses of $399.3M, a margin on patient care of 7.6%. After other income and expenses its net income was $48.3M (10.8% of revenue), so it made a profit that year.
Clara Maass Medical Center is part of RWJBarnabas Health, a health system with 15 hospitals based in West Orange, NJ. It is a nonprofit hospital.
Clara Maass Medical Center has an overall rating of 3 out of 5 stars in the official hospital quality ratings. Patients rate it 3 out of 5 stars in the patient survey.
Yes, Clara Maass Medical Center provides emergency services.
512 Medicare clinicians list Clara Maass Medical Center as a hospital they work at, most often in Nurse Practitioner, Internal Medicine, Ophthalmology.
In 2024, Clara Maass Medical Center had 1,450 Medicare inpatient stays in 54 diagnosis groups. The most common was DRG 291 (heart failure and shock with mcc) with 112 stays; Medicare paid $11,205.39 per stay on average, compared with $10,022.34 across all hospitals.