St. Luke's Center for Diagnostic Imaging (CDI) - Chesterfield Valley 6 McBride & Son Dr., Suite 101 Scheduling: 636-519-7865 Services: high-field short MRI, breast MRI, multi-slice CT and diagnostic and bone density exams St. Luke's Center for Diagnostic Imaging (CDI) - Frontenac 10333-A Clayton Road Scheduling: 314-567-972.