Dr.Mark W. McGrath, East Louisville Cosmetic Family Dentist Dr. McGrath and his veteran staff welcome you to our website! At the office of Mark W. McGrath, D.M.D. our philosophy is to provide treatment to the whole person with a special focus on how your teeth and gums relate to your total body health. We want you to be confident that your smile achieves your goals for comfort, function and appearance. Were here to make that happen.