Dr. Donald R. DeFeo, a neurosurgeon with over 40 years of experience, is a member of the American Association of Neurological Surgeons (AANS) which will host its 2017 Annual Scientific Meeting in April in Los Angeles. The meeting will showcase the latest advancements in neurosurgery through workshops, presentations, and keynote talks, and provide continuing medical education credits. Registration rates vary depending on membership and affiliation.