Dr. Tucker is Chair of the NFL General Medical Committee. He is Medical Director of MedStar Union Memorial Sports Medicine, and Assistant Director of the University of Maryland/MedStar Union Memorial Primary Care Sports Medicine Fellowship Program. Dr. Tucker is Head Team Physician of the Baltimore Ravens, and has served as an NFL team physician since 1991. He was President of the NFL Team Physicians Society from 2007-2009, and a long-time member of the NFL TPS Executive Committee.

Dr. Tucker has served on the NFL Subcommittee on Mild Traumatic Brain Injury (1994-2009), and the NFL Subcommittee on Cardiovascular Health (Co-chair, 2004-2015). For many years, Dr. Tucker has been an active researcher of health issues involving active and former professional football player, most notably concussion and cardiovascular health. He has shared his experience in numerous publications and presentations at national conferences.

Dr. Tucker practices primary care sports medicine at MedStar Union Memorial Hospital in Baltimore and serves as Head of Primary Care Sports Medicine for the MedStar North region.   He serves as team physician for University of Maryland Baltimore County, Coppin State College, and Loyola Blakefield High School.