Emergency Care

When the unexpected happens and someone you love needs immediate attention, it is reassuring to know that expert care is immediately available. That’s why the Mercy Health Alliance network includes 16 urgent care clinics and six emergency departments in St. Louis and Illinois.

Click here to find an Emergency Department location. If you are traveling outside of the St. Louis area and have an emergency health issue, please visit the nearest emergency department; this episode of care will be covered in-network no matter which provider you use.


At Mercy Hospital St. Louis, you’ll find the most advanced Emergency Department in St. Louis County:

  • The county’s only Level I Trauma Center, providing the highest level of care for critical injury and illness
  • 24 treatment rooms and six trauma rooms for adults, plus rooms for minor injuries and illnesses
  • A separate children’s emergency department staffed by pediatric specialists, with child-focused waiting area, treatment and trauma rooms
  • The latest technologies for diagnosing and treating emergency conditions, including sophisticated imaging services
  • The Mercy Burn Center St. Louis, which is the region’s largest Burn Center for care of complex wounds.

When should you go to the emergency room?

If you are having an emergency, call 911, or visit the nearest emergency department if you are not near one of the network’s six hospital emergency departments.

If your issue is urgent and your primary care provider is not available, please call the Mercy Health Nurse on Call line at 1-844-885-4400 or visit one of our 16 urgent care locations.

If you are unsure, call 1-844-885-4400 to be connected with a nurse who can assist you at any time of day.


What type of care is most appropriate for you?

You should use a hospital emergency department for anything you think might be serious or life-threatening. If you are experiencing any of the following symptoms, do not wait. Call 911 for help getting to a hospital as quickly as possible.

  • Chest pain
  • Severe abdominal pain
  • Coughing or vomiting blood
  • Severe burns
  • Deep cuts or bleeding that won’t stop
  • Sudden blurred vision
  • Difficulty breathing or shortness of breath
  • Sudden dizziness, weakness, or loss of coordination or balance
  • Numbness in the face, arm or leg
  • Seizures
  • High fevers
  • Any other condition you believe is life-threatening

Our emergency departments are open 24 hours a day, seven days a week and 365 days a year.