Medical City Arlington Pavilion I is a 4-story medical oce building located on the campus of the Medical City Arlington Hospital (MCA), one of the most highly desired hospital campuses for physicians in the DFW area. Located in the heart of the growing South Arlington area, it is 433 bed, full-service hospital with 889 highly-skilled physicians. It is the first and only hospital in Arlington to be named a Level II Trauma Center.