Dr. Farmer grew up in Wichita, Kansas and attended the University of Kansas. He received his DDS degree from the University of Missouri at Kansas City Dental School, then went on to complete a two-year residency in Pediatric Dentistry at the Children's Mercy Hospital in Kansas City, Missouri. He began practicing full-time Pediatric Dentistry in 1970 at Tulsa, Oklahoma, and then moved to Muskogee in 1974.
Dr. Farmer is a member of the American Dental Association, the Oklahoma Dental Association, the American Academy of Pediatric Dentistry, the American Society of Dentistry for Children, and the American Orthodontic Society.