Mr Parker's NHS practice is based in the foot and ankle unit of Barts Health NHS Trust (The Royal London and Newham University Hospital). He is experienced in all aspects of foot and ankle surgery having trained in tertiary referral foot and ankle units at The Royal National Orthopaedic Hospital, Stanmore and The Avon Orthopaedic Centre Bristol.
He is a previous recipient of the W.J. Little Medal for his research and was awarded the European Foot and Ankle Society Travelling fellowship in 2014. He has authored several peer reviewed publications and book chapters about foot and ankle surgery and teaches regularly on post-graduate courses.