Dr. Stevens, is on Staff in Cleveland Clinic’s Brain Tumor and Neuro-Oncology Center (Neuroscience Institute). He is board-certified in adult neurology. Dr. Stevens joined the Cleveland Clinic in 1997. His specialty interests are adult neuro-oncology, electromyography (a specialized diagnostic procedure that analyzes neuromuscular disorders) and neurofibromatosis, an inherited condition characterized by abnormal tissue growth of the nerves and skin.