Medical Student Education 4th Year Required and Elective Rotations Clinical Radiology - Jacksonville (RAD E 1J) Contact Us For more information about our medical student programs, please contact our student liaisons below or visit Medical Student Education. Ashley Volz, M.S.H.S. Clerkship Administrator (904) 244-8313Ashley.Volz@jax.ufl.edu Hector M. Diaz De Villegas, D.O. Clerkship Director Mailing Address Department of Radiology,