Dr. Mixon attended medical school at the University of Texas Health Science Center at San Antonio, School of Medicine and the University of Texas Medical School at Houston. For his professional training, Dr. Mixon completed a residency program at Scott and White Healthcare. Blue Cross/Blue Shield, Blue Choice, and Blue Cross Blue Shield Bronze are among the insurance carriers that Dr. Mixon honors. Distinctions awarded to Dr. Mixon include: Texas Super Doctors and "Super Doctor," Texas Monthly, 2013-2015. He is professionally affiliated with Baylor Scott & White Health - Central Texas.