John Nix attended college at Austin College in Sherman, Texas. He graduated from medical school at the University of Arkansas College of Medicine in Little Rock, Arkansas and completed his internship and residency at AHEC South Arkansas and University of Arkansas at Eldorado, Arkansas.
Dr Nix is board certified by the American Board of Family Medicine. He is a member of the American Medical Association as well as the American Academy of Family Physicians.
A native of the Ark-La-Tex area, Dr Nix is married with one child, enjoys golfing, fishing and hunting, and has been practicing in the Texarkana area since 1996.