Dr. Mackay earned a medical degree from Western University of Health Science College of Osteopathic Medicine of the Pacific in Pomona, California and completed residency training at Texas A&M Scott and White Memorial Hospital in Temple, Texas. He enjoys talking with and counseling patients regarding their health issues. His medical areas of interest include osteopathic manipulation, minor procedures and preventative care. 

In his personal time, Dr. Mackay enjoys karaoke and spending time with family and friends.