Dr. Fennell graduated from the University of California at Santa Cruz and earned his medical degree at Creighton University School of Medicine. He completed his internship at Creighton University, and residency at Los Angeles County University Southern California Medical Center. His body MRI/CT/ultrasound fellowship was completed at Stanford University.

Clinical interests include mammography and breast-related procedures as well as chest and body CT/ultrasound.

Dr. Fennell joined Medford Radiology Group in 1999. He is married with two children. In addition to spending time with his family, he enjoys outdoor activities including water skiing, snow skiing, and bicycling.