Barton Orthodontics Locations Chico Location 1290 E. 1st AveChico, CA 95926 530.342.9097 Oroville Location 2860 Olive Hwy,Oroville, CA 95966530.534.6642 Hours Monday – Thursday: 8:00AM – 5:00PMFriday: 7:00AM – 12:00PM