Driver Cognitive Assessment Center (DCAC) Categories Driving Assessment 4450 Black Avenue, Suite D Pleasanton CA 94566 (925) 249-5947 (925) 201-3957 Visit Website About Us Technology designed to assess drivers with medical conditions. Rep/Contact Info Melanie Henry × Melanie Henry CEO & Licensed Assessment Provider Phone: (925) 249-5947 Send an Email Share × Print Email Facebook Twitter LinkedIn Tell a Friend ×