Clara Maass Medical Center

Hospital · Belleville, NJ

CMS overall rating 3/5 Voluntary non-profit - Private

CMS certification number310009

Contact & location

One Clara Maass Drive
Belleville, NJ 07109
Essex County
Phone
(973) 450-2000
ZIP code
07109 – all care providers

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Facility details

Ownership
Voluntary non-profit - Private
Hospital type
Acute Care Hospitals
Emergency services
Yes

Hospital quality

CMS overall star rating★★★★★ 3/5
Mortality measures
0 better than national · 0 worse
Safety of care measures
2 better than national · 0 worse
Readmission measures
0 better than national · 2 worse
Birthing-friendly
Y

Frequently asked questions

What is the rating of Clara Maass Medical Center?

Clara Maass Medical Center has a 3-star overall rating from the Centers for Medicare & Medicaid Services on a scale of 1 to 5.

What is the phone number of Clara Maass Medical Center?

(973) 450-2000. The facility is located at One Clara Maass Drive, Belleville, NJ 07109.

Source: CMS Care Compare, August 2026. Information is provided as published by CMS; verify details directly with the facility.