Mission Hospital Emergency and Trauma

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OPEN NOW - Open 24 Hours

If you are experiencing a life-threatening emergency, please call 911. When sudden and severe illnesses afflict you and your family, Mission Hospital’s Emergency Department is ready to help 24 hours a day, seven days a week. One of only three trauma centers in Orange County, Mission Hospital’s board-certified ER physicians, trauma surgeons, nurses and specialty staff are trained to respond quickly to any emergency medical situation.