The James H Quillen VA Medical Center At Mountain Home In Johnson City Has A New Chief Of Staff. Dr. Harold Dillon Was Appointed To The Position. He Has Been With The VA Since 2008 And Has Served As Staff Ophthalmologist, Chief Of Surgery And Chief Of Quality Management. Dr. Dillon Is Also An Air Force Veteran And A Bachelor Of East Tennessee State University And The James H. Quillen College Of Medicine.