Columbus Internal Medicine Associates is a medical facility that provides a variety of health care services for adults and adolescents. Located in Columbus, Ind., it specializes in the areas of internal medicine, as well as offers radiology and laboratory services. Columbus Internal Medicine Associates provides diagnostic, physical examinations, screening and medical testing solutions.. Meet the Providers The medical providers of Columbus Internal Medicine Associates take pride in providing quality health care Lindsay Anderson,M.D. * Donnamirie Darcy,M.D. Christopher K. Iorio,M.D. F.A.C.P. Joseph C. Sheehy,M.D. Dennis E. Stone,M.D. F.A.C.P. Alan J. Watanabe,M.D. F.A.C.P.