Doctor Profile Request an Appointment Location: Duncan Family Medicine Address: 2120 W. Elk Avenue STE 6 Duncan, OK 73533 Phone: 580-251-6822 Location: DRH Behavioral and Addiction Clinic (Groups Only) Address: 2601 W Elk Duncan, OK 73533 Phone: 580-251-6644 Location: DRH Wound Center Address: 2115 Duncan Regional Loop Road 2nd floor of the DRH Pavilion Duncan, OK 73533 Phone: 580-251-6810 Dan Criswell MD Addiction Medicine Duncan Regional HospitalDuncan Family MedicineDRH Behavioral and Addiction Clinic (Groups Only)DRH Wound Center Community: Duncan Board Certification Diplomate ABPM-subspecialty addiction medicine, American Board of Family Practice Medical School University of Oklahoma Residency University of Kansas