Dr. Barwick joined Lexington Surgical Associates in 2000, after practicing with Orangeburg Surgical Associates, where he served as Trauma Director at the Regional Medical Center in Orangeburg, SC. and Cancer Liaison to the American College of Surgeons Commission on Cancer 1995-1999. He is an active staff member at Lexington Medical Center, where, in 2003, he was appointed to serve as the Cancer Liaison to the American College of Surgeons Commission on Cancer.