Dr. Mark Johnston Business Name: Dr. Mark Johnston Phone: +1 770-973-1070 Address: 1070 Woodlawn Dr NE, Suite 200, Marietta, Georgia, United States 30068 Tags: clinic, dental treatment, dental, orthodontics, and orthodontist State/Region: Georgia ProfilePhotosReviews Profile1070 Woodlawn Dr NE, Suite 200, Marietta, Georgia, United States, 30068 Photos Teeth dental care medical background Reviews Leave a Review Cancel reply Your email address will not be published.Review text Select a rating Name Email Website Save my name, email, and website in this browser for the next time I comment.