Searching for an ER in Harker Heights? Stop by Express ER near you. This emergency room in 76548 provides the services you would expect from a 24-hour urgent care in Harker Heights, but with all the advantages of a full-fledged emergency room. With treatment available for illness and injury, trauma care, imaging services, on-site lab equipment, and pediatric care, there is no 24-hour emergency room in Harker Heights that will offer more. Express ER is happy to treat patients of any background or age. The next time you're in need of urgent care near you, come visit our ER! Our specialists and doctors are equipped to handle all needs, including whiplash, sports injuries, broken bones, and head trauma.