Faculty Information View our faculty listing on our Division team page. Interventional Faculty Faculty Frederick Ling, M.D. Christopher Cove, M.D. Craig Narins, M.D. John Gassler, M.D. Imran Chaudhary, M.D. M. James Doling, M.D. Jason Garringer, M.D. Fellows The University of Rochester IC program has trained Interventional Fellows from throughout the United States. Upon graduation, our Interventional Fellows are highly recruited and have obtained academic and private practice jobs across the nation. Initial practice locations of graduating IC Fellows since 2000.