Doo-Sang Cho has 3 locations. Arizona Digestive Health Mesa East 6020 E Arbor Ave Ste 101 Mesa, AZ 85206. (480) 985-1700. ACCEPTING NEW PATIENTS. East Valley Endoscopy 6020 E Arbor Ave Ste 105 Mesa, AZ 85206. (480) 830-2005. Arizona Digestive Health PC 6020 East Arbor Avenue Mesa, AZ 85206..