Christiana Hospital (Newark, Del.). Christiana Hospital is 913-bed, 1.3-million-square-foot facility and home to Delaware's only Level I trauma center. The hospital is also home to the John H. Ammon Medical Education Center, which consists of 13 classrooms, a 240-seat auditorium and a 7,000-square-foot medical library. Surgeons at Christiana's center for heart and vascular health perform more than 1,000 open-heart surgeries annually.