Dr. Callaghan is a Professor of Neurology and a neuromuscular specialist at the University of Michigan. He completed his medical degree and neurology residency at the University of Pennsylvania and completed a fellowship in neuromuscular disease at the University of Michigan. He also completed a master’s degree program in clinical research at the University of Michigan School of Public Health.

Dr. Callaghan is interested in the treatment of painful diabetic neuropathy and other chronic pain conditions including the role of opioids. He has led the recent American Academy of Neurology guideline on the treatment of painful diabetic neuropathy and is interested in better understanding the best interventions for this common condition. Furthermore, Dr. Callaghan is interested in a better understanding of the appropriate role of opioids in chronic non cancer pain conditions.