Loren J. Bartels, M.D., FACS is an Otologist, Neurotologist, and Skull Based Surgeon in Tampa, FL. Loren J Bartels MD FACS was a member of the charter class of the University of South Florida College of Medicine, which graduated in 1974.He was elected a charter member of the USF chapter of the Alpha Omega Alpha Medical Honor Society, a national organization of outstanding medical school students..