Aaron Hellman, PA-C Aaron Hellman, PA-C, is a physician assistant with AHN Orthopaedic Institute, specializing in orthopaedic surgery. His clinical interests include sports medicine, total joint replacement, fracture management, and joint injections. He received his Bachelor of Science in Athletic Training and Health Science from Heidelberg University in Tiffin, Ohio and his Master of Physician Assistant Studies from Chatham University in Pittsburgh, Pennsylvania. Mr. Hellman is certified by the National Commission on Certification of Physician Assistants. His goal is to have all patients to get back to normal, whether they elect to have surgery or not. He sees patients of all ages.