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 Ben Collins MD Allergy, Ear/Nose/Throat, Otolaryngology Surgery Duncan Regional HospitalDRH Health Allergy Ear, Nose and Throat Community: Duncan Medical School University of Oklahoma Residency University of Oklahoma Health Sciences Center