Santa Rosa Hospital – San Marcos Emergency Room

When you are faced with a medical emergency, CHRISTUS Santa Rosa Hospital San Marcos is here to provide experienced, specialized and effective treatment, 24 hours a day, seven days a week.

In the event of an emergency please dial 9-1-1, or go to the nearest emergency room immediately.

Our 24-hour emergency room, surgery, and intensive care units are in place to assure that whatever the emergency, we can help. Our 20-bed unit sees an average of 30,000 patients annually.

We are a Level 4 Trauma Center, a Accredited Chest Pain Center and a Primary Stroke Center.

The Emergency Department cares for victims of sexual assault by providing the services of certified sexual nurse examiners.

We know that family and friends of the patient are concerned, so we work to keep these guests informed and as comfortable as possible in our ER lobby.


Our intensive/cardiac care unit provides patients with the high level of care and attention they need following surgery, heart attack or critically ill conditions demand. A state-of-the-art cardiac monitoring system allows our specialists to rapidly respond to a patient needs. In addition, cutting-edge ventilators are also available for patients who need assistance breathing. A special waiting area is available for family and visitors.

Emergency Care You Need Without the Waiting Room

Reserve your emergency room visit with a simple text. With texting technology, we will connect you to a medical professional. They will give you details on your visit, where to park and request you to notify them upon arrival.

Request a Reservation

Hours & Locations


Santa Rosa Hospital – San Marcos Emergency Room

  • Monday 24hrs
  • Tuesday 24hrs
  • Wednesday 24hrs
  • Thursday 24hrs
  • Friday 24hrs
  • Saturday 24hrs
  • Sunday 24hrs

Pediatric Partnership

Small Patients. Big Emergencies

Two are always better than one, which is why CHRISTUS Santa Rosa Hospital - San Marcos has partnered with CHRISTUS Children’s to provide enhanced pediatric and maternal emergency services.

Learn More