Doctor Profile Request an Appointment Location: Duncan Medical Associates Address: 2635 West Elk Ave Duncan, OK 73533 Phone: (580) 252-6080 Location: DRH Health Sleep Institute Address: 2434 Harville Road Suite 600 Duncan, OK 73533 Phone: 580-251-8178 Jeffrey Jones MD Family Medicine, Sleep Institute Duncan Medical AssociatesDRH Health Sleep InstituteDuncan Regional Hospital Community: Duncan Board Certification American Board of Family Practice Medical School University of Texas Residency John Peter Smith Hospital