Doctor Profile Request an Appointment Location: Plaza Clinic - Addiction & Behavioral Clinic Address: 2340 W Elk Suite 2 Duncan, OK 73533 Phone: 580-251-6822 Location: DRH Health Children's Clinic Address: 2560 W. Elk Avenue Duncan, OK 73533 Phone: (580) 252-9600 Jennifer Hiebler APRN, PMHNP-BC Behavioral Health Plaza Clinic - Addiction & Behavioral ClinicDRH Health Children's Clinic Community: Duncan Advanced Education University of South Alabama