Dr. Donahue graduated the medical school from the Indiana University School of Medicine and completed two residency programs: one at the Brigham and Women's Hospital and the second at the Baystate Medical Center. He is specialized in Radiology and board certified in Diagnostic Radiology. Dr. Donahue has been in practice for more than 20 years and is affiliated with the Johnson City Medical Center and the Sycamore Shoals Hospital.