Dr. Jean Seibold McGill and her team at McGill Orthodontics offer the latest advances in Orthodontic technology with Insignia Custom Braces and have been named a 2013 Premier Provider for Insignia Custom Braces. This is the third year in a row that they have received this distinction. Dr. McGill is the only Premier Provider in Pennsylvania and McGill Orthodontics is one of the less than 20 Premier Providers worldwide.