He is 56 years old. Dr. Guerra is affiliated with Nicklaus Children's Hospital, Sylvester Comprehensive Cancer Center/UMHC, Doctors Hospital, University of Miami Hospital, Larkin Community Hospital, Westchester General Hospital, Baptist Children's Hospital, Mercy Hospital, Mount Sinai Medical Center, Coral Gables Hospital, Palmetto General Hospital, Jackson South Community Hospital, Jackson Memorial Hospital, Jackson North Medical Center, South Miami Hospital, Baptist Hospital of Miami, North Shore Medical Center, Hialeah Hospital, Palm Springs General Hospital and Kendall Regional Medical Center.