She is a Diplomate of the American Board of Oral and Maxillofacial Surgery, and holds a Doctor of Medical Dentistry (D.M.D.) degree from Tufts University School of Dental Medicine, an M.D. degree from Louisiana State University School of Medicine, and a Certificate in Oral and Maxillofacial Surgery from Bellevue Hospital Center, an affiliate of NYU School of Medicine. Dr. Karlis is an authority on jaw disorders and has written and lectured extensively on this and other subjects in the United States and abroad. In addition to the NYU Medical enter, Dr. Karlis practices at the New York Eye & Ear Infirmary and at NYU affiliate hospitals including Bellevue Hospital Center, Lenox Hill Hospital, and the Hospital for Joint Diseases Orthopaedic Institute. Oral Surgery, NYU Langone Medical Center Dr. A. Ross Kerr