Dr. O’Fallon is a Drew County native. He graduated from Monticello High School in 1987. He then attended the University of Arkansas at Monticello for undergraduate studies. Dr. O’Fallon graduated from Louisiana State University School of Veterinary Medicine in 1994.
Upon graduation, Dr. O’Fallon returned to Drew County and began a large animal mobile practice serving Southern Arkansas and Northeast Louisiana. In 2003, Dr. O’Fallon expanded his practice to include large and small animals.
He is licensed to practice veterinary medicine in Arkansas and Louisiana. He is a member of the American Veterinary Medical Association, Arkansas Veterinary Medical Association, and the Louisiana Veterinary Medical Association.