Hackensack Meridian Mountainside Medical

Hospital · Montclair, NJ

CMS overall rating 4/5 Proprietary

CMS certification number310054

Contact & location

1 Bay Avenue
Montclair, NJ 07042
Essex County
Phone
(973) 429-6000
ZIP code
07042 – all care providers

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Facility details

Ownership
Proprietary
Hospital type
Acute Care Hospitals
Emergency services
Yes

Hospital quality

CMS overall star rating★★★★★ 4/5
Mortality measures
0 better than national · 0 worse
Safety of care measures
1 better than national · 0 worse
Readmission measures
0 better than national · 1 worse
Birthing-friendly
Y

Frequently asked questions

What is the rating of Hackensack Meridian Mountainside Medical?

Hackensack Meridian Mountainside Medical has a 4-star overall rating from the Centers for Medicare & Medicaid Services on a scale of 1 to 5.

What is the phone number of Hackensack Meridian Mountainside Medical?

(973) 429-6000. The facility is located at 1 Bay Avenue, Montclair, NJ 07042.

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