Dr. Piziak received her undergraduate degrees and her PhD from the University of Massachusetts at Amherst and her medical degree from University Kentucky in Lexington. She completed her internal medicine residency at Akron general Medical Center in Akron Ohio and her fellowship training in endocrinology metabolism at the University of Cincinnati, Ohio. 

Dr. Piziak is presently the Emeritus Chief of Endocrinology, Director of the Diabetes section and Director of the Endocrinology Fellowship program at Baylor Scott and White in Temple Texas. She is a Professor of Medicine at Texas A&M University and a fellow of the American College of physicians.