Doctor Profile Request an Appointment Location: DRH Health Allergy, Ear, Nose and Throat Address: 1401 Duncan Regional Loop Road Duncan, OK 73533 Phone: (580) 252-0100 Fax: (580)-252-0106 Teresa Mazza Au.D Audiology DRH Health Allergy, Ear, Nose and Throat Community: Duncan Medical School Wichita State University