Hospitals in Union County, New Jersey

Union County is served by 5 Medicare-certified hospitals, averaging 4.0 out of 5 overall among rated providers. Provider profiles below include CMS ratings, inspections, staffing, and ownership.

Browse: Hospitals in New Jersey · all care types in Union County · Cities: Berkeley Heights, Summit, Rahway, Elizabeth

Hospitals profiles in Union County

Hospital · Proprietary Mountainview Behavioral Hospital Berkeley Heights, NJ 07922 No CMS rating Hospital · Voluntary non-profit - Private Overlook Medical Center Summit, NJ 07901 CMS rating 5.0 / 5 Hospital · Voluntary non-profit - Private Robert Wood Johnson University Hospital at Rahway Rahway, NJ 07065 CMS rating 4.0 / 5 Hospital · Voluntary non-profit - Other Summit Oaks Hospital Summit, NJ 07901 No CMS rating Hospital · Voluntary non-profit - Private Trinitas Regional Medical Center Elizabeth, NJ 07207 CMS rating 3.0 / 5

Cities in Union County

Berkeley Heights, NJ 1 facilities Summit, NJ 2 facilities Rahway, NJ 1 facilities Elizabeth, NJ 1 facilities

Choosing a hospital in Union County

When comparing hospitals, examine the CMS overall rating along with the measure groups behind it, confirm the services you need are available, and check whether the hospital is in your insurance network. Ratings are signals, not medical advice.

A sensible first step is to line up the CMS Five-Star ratings, since they distill health inspections, staffing, and quality measures into one score. Treat a strong overall rating as a starting signal, then dig into the inspection findings and staffing numbers that produced it.

Where you can, visit each option in Union County, ask how care plans are created and revisited, and get costs, coverage, and availability confirmed in writing. Steady staffing and open communication with families count for as much as any published rating.

Frequently asked questions

How many hospitals does Union County have?

According to current CMS data, Union County, New Jersey has 5 Medicare-certified hospitals, with an average overall CMS rating of 4.0 out of 5 among rated providers.

Which cities in Union County offer hospitals?

Based on the current data, Berkeley Heights, Summit, Rahway, Elizabeth have Medicare-certified hospitals.

Data sources

Data source: CMS Provider Data Catalog. Data as of 2026-10-06.

Required disclosures

For general information only, not medical advice. This website shares public data and general information. It does not offer medical advice, diagnosis, or treatment guidance, and it cannot replace a consultation with a qualified health care professional or with Medicare.

Independent and unaffiliated. MedicalFacilities.org is a private, independently run directory. It is not affiliated with, nor endorsed or operated by, the Centers for Medicare & Medicaid Services (CMS), Medicare, or any government agency. CMS has not reviewed or endorsed this site.

Confirm details before acting. Facility records come from public federal datasets and may lag or contain errors. Always verify current ratings, services, availability, and coverage directly with the provider and on Medicare.gov.

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