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County · New Jersey

Hospitals in Union County, NJ

6 hospitals, 3 with emergency services. Long-Term Acute Care Hospital: 1 · Psychiatric Hospital: 2 · Acute Care Hospital: 3.

Compare the 4 top-rated hospitals side by side →

Cities in Union County with hospitals

Berkeley HeightsElizabeth (2)RahwaySummit (2)

Care in Union County: specialties, conditions and doctors

Specialties listed by hospitals here

Cancer Care (3)Orthopedics (2)Behavioral health (1)Cardiac care (1)Diabetes Management (1)Emergency Care (1)Emergency Services (1)Heart and Vascular Care (1)Infectious Disease (1)Maternity (1)Neuroscience (1)Psychiatry (1)Renal services (1)Sleep Disorders (1)Women's Health (1)Wound Care (1)Wound healing (1)

Conditions listed by hospitals here

Anxiety (1)Bipolar disorder (1)Breast cancer (1)Co-occurring psychiatric and substance use disorders (1)Depression (1)Intellectual and developmental disabilities (1)Schizophrenia (1)Sepsis (1)

The number is how many hospitals here list it on their own website (hospitals with a reviewed website profile only).

Doctors in New Jersey (55,376)

Health centers, clinics and pharmacies in Union County

Community health centers (4)Clinics and urgent care (15)Pharmacies (102)

Addiction and mental health treatment in Union County

Treatment centers (27)

From SAMHSA’s FindTreatment.gov. In a crisis, call or text 988.

Common questions

How many hospitals are in Union County, New Jersey?

Our directory lists 6 hospitals in Union County: Care One at Trinitas Regional Medical Center, Mountainview Behavioral Hospital, Overlook Medical Center, Robert Wood Johnson University Hospital at Rahway, Summit Oaks Hospital and Trinitas Regional Medical Center.

Which hospitals in Union County have an emergency room?

According to Medicare (CMS) data: Overlook Medical Center, Robert Wood Johnson University Hospital at Rahway and Trinitas Regional Medical Center. In a medical emergency, call 911.

What are the Medicare star ratings of hospitals in Union County?

In the current CMS overall rating (1 to 5 stars): Overlook Medical Center, 5 stars, Robert Wood Johnson University Hospital at Rahway, 4 stars and Trinitas Regional Medical Center, 3 stars. Other hospitals here are not rated by CMS.

All hospitals in New JerseyHospitals near meER or urgent care?

Source: Centers for Medicare & Medicaid Services (CMS), data updated 2026-07-22, retrieved 2026-10-29. Basic profiles: services not yet reviewed in detail.