Emergency Room

Clara Maass Medical Center

Life-threatening emergency? Call 911 now.

The Emergency Department at Clara Maass Medical Center

Fast, Expert Emergency Care 24/7

When every second counts, the Emergency Department (ED) at Clara Maass Medical Center is ready to care for you. Our emergency room in Belleville, New Jersey, provides rapid evaluation and treatment for children, adults and older adults. Board-certified emergency medicine doctors, nurses and specialists work together to care for a wide range of illnesses and injuries.

Clara Maass Medical Center is an acute care hospital serving Essex, Hudson, Passaic and Bergen counties. Our emergency department has more than 79,000 visits each year.

Rapid Assessment and Testing

Our ED patients experience a median wait time of approximately 14 minutes to be seen by a provider. Patients are assessed as quickly as possible based on their symptoms and level of need. The emergency department offers 24/7 laboratory testing, digital imaging, X-rays and other diagnostic services. These tools help the care team make timely treatment decisions.

Emergency Care for Every Age

Our emergency department is designed to support patients at every stage of life:

  • Pediatric emergency care, with a dedicated treat-and-release area and pediatric observation services
  • Adult emergency care for sudden illness, injury and other urgent medical needs
  • Geriatric emergency care for older adults, with attention to their health, comfort and safety needs

Clara Maass Emergency Department Clara Maass Emergency Department

Emergency Conditions We Treat

Go to the emergency room or call 911 for serious or life-threatening symptoms. Our team evaluates and treats conditions such as:

  • Chest pain, heart attack symptoms and emergency angioplasty needs
  • Stroke symptoms or sudden neurological changes
  • Difficulty breathing, severe asthma or a severe allergic reaction
  • Broken bones, fractures, head injuries and concussions
  • Severe abdominal pain, high fever or serious infection
  • Serious cuts and wounds
  • Poisoning, overdose, seizures or fainting
  • Mental health or substance use crises
  • Eye emergencies, with 24-hour emergency trauma care and adult and pediatric ophthalmology support

Emergency Department Services and Amenities

  • Separate, modern waiting areas for adults and children
  • One easy-to-access walk-in and drop-off entrance
  • Adult and pediatric observation units
  • Pediatric treat-and-release area
  • Rapid Diagnostic Unit for observation patients
  • Dedicated Psychiatric Emergency Screening Services (PESS) unit
  • Renovated treatment rooms and a private consultation room
  • Discharge lounge for patients waiting for transportation or final instructions
  • Sexual Assault Nurse Examiner (SANE) unit

Psychiatric Emergency and Crisis Support

Patients experiencing a mental health crisis can receive immediate help through Psychiatric Emergency Screening Services. We care for children, adults and seniors and connect patients with the Department of Behavioral Health and Psychiatry for continued support.

Coordinated Emergency Care

Emergency medicine providers work closely with hospital specialists and local Emergency Medical Services (EMS). When EMS contacts the hospital from the field, our team can prepare the right resources before the ambulance arrives.

Awards and Recognition

  • 2026 Emergency Nurses Association Lantern Award for innovation, evidence-based practice and improvements in patient care and staff well-being
  • Named one of Becker’s Healthcare Great Community Hospitals
  • Certified Primary Stroke Center by The Joint Commission, in collaboration with the American Heart Association and American Stroke Association
  • American College of Emergency Physicians Emergency Quality Network Honor Roll

View all Clara Maass Medical Center awards & accreditations

Contact the Clara Maass Emergency Department

To reach the Emergency Department at Clara Maass Medical Center, call (973) 450-2100.