Dr. Yannis Sergio Guerra, MD, is a highly respected endocrinologist specializing in Diabetes, Endocrinology, and Internal Medicine. He received his medical degree from the Universidad De Panama Facultad De Medicina in 1999, followed by a residency in Internal Medicine at Cook County Health and Hospitals System from 2003 to 2006. Dr. Guerra then completed a fellowship in Endocrinology, Diabetes, and Metabolism at Rush University Medical Center from 2007 to 2009....