About Medical City Lewisville Hospital 186-bed full-service acute care hospital Level III NICU Level II Maternal Designation Level III Trauma Center Primary Stroke Center and Magnet Lewisville, Texas, is a dynamic suburban community in the thriving North Texas region. Home to approximately 100,000 residents. Lewisville is a significant regional employer used by major corporations for both administrative headquarters and warehousing. With its location just minutes from DFW International Airport, and straddling two major highways, Lewisville is perfectly positioned for easy access to the rest of North Texas and the world. Medical City Lewisville serves the communities of Lewisville, Flower Mound, Double Oak, Copper Canyon, Highland Village, Bartonville, Argyle, Castle Hills, Carrollton and The Colony.