His areas of expertise include the following: transcatheter aortic valve replacement (TAVR), mitral valve disease, and mitral valve surgery. Dr. Mack is professionally affiliated with Baylor Scott & White Health. Before completing his residency at a hospital affiliated with the University of Texas Southwestern Medical Center at Dallas, Dr. Mack attended medical school at St. Louis University School of Medicine. His average rating from his patients is 4.0 stars out of 5. He takes Blue Cross/Blue Shield, Blue Cross Blue Shield Bronze, and Blue Cross Blue Shield Gold, in addition to other insurance carriers. Dr. Mack has received the distinction of Texas Super Doctors.