24-Hour Emergency Care for the Mission Community

STHS ER at Mission

South Texas Health System’s standalone ER at Mission is open 24 hours per day, 365 days per year. The Mission ER is staffed with the same medical personnel and equipped with the same diagnostic technology available in South Texas Health System’s hospital-based emergency rooms.


STHS ER at Mission
900 E Expressway 83
Mission, TX 78572
956-271-1200