James J. Nemec, M.D., FACC, is a subspecialist in echocardiography, stress echocardiography and nuclear cardiology. He is director of cardiac nuclear medicine at Oklahoma Heart Institute at Hillcrest Medical Center. Dr. Nemec has served as assistant professor of internal medicine, Division of Cardiology, at Creighton University and as assistant professor, Department of Radiology, also at Creighton University.