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Clara Maass Medical Center
Hospital Belleville, NJ
One Clara Maass Drive, Belleville, NJ 07109 · (973) 450-2000
Overall star rating 3
Patient survey rating 3
Hospital typeAcute Care Hospitals
OwnershipVoluntary non-profit - Private
Emergency servicesYes
64% would definitely recommend
✓ Meets the CMS criteria for the birthing-friendly designation
How its results compare with the national rate
Number of measures in each group where CMS found this hospital better than, no different from or worse than the national rate.
| Measure | Better | No different | Worse |
|---|---|---|---|
| Mortality | 0 | 7 | 0 |
| Safety of care | 2 | 4 | 0 |
| Readmissions | 0 | 5 | 2 |
What patients said
- Rated the hospital 9 or 10: 63%
- Nurses always communicated well: 77%
- Doctors always communicated well: 78%
- Room and bathroom always clean: 72%
- Always quiet at night: 41%
- Given information about recovery at home: 85%
675 completed surveys
Other options nearby
- Hackensack University Medical Center
8.8 mi away5★ - Lenox Hill Hospital
9.9 mi away5★ - NYU Langone Hospitals
10.3 mi away5★ - Holy Name Medical Center
10.4 mi away5★ - New York-Presbyterian Hospital
10.6 mi away5★ - Hospital for Special Surgery
10.8 mi away5★
Ratings describe past performance reported to CMS and can change. Confirm insurance, availability and services directly with the provider, and talk to your doctor or care team. Source: CMS Provider Data Catalog, Hospital General Information; Patient survey (HCAHPS) (released Jul 22, 2026).