PATIENT PORTAL 828-250-0898. ... Dr. Dan Cannon is board certified in family practice and received his Medical Degree from the University of Chicago-The Pritzker School of Medicine in 1988. He has been a practicing doctor in Asheville since 1997. ... Asheville, NC 28801. Office Hours . Regular Office Hours: Mon-Thr | 8am–5pm Fri 8am–12 noon..