John S. Gilbert, DO earned his medical degree from Ohio University College of Osteopathic Medicine in Athens, Ohio. He then went on to complete an otolaryngology and facial plastic internship and an otolaryngology and facial plastic residency at Doctors Hospital in Columbus, Ohio through the Ohio University College of Osteopathic Medicine. Dr. Gilbert is a member of the American Osteopathic College of Otolaryngology - Head and Neck Surgery, the American Academy of Otolaryngic Allergy, the American Osteopathic Association and the American Academy of Otolaryngology - Head and Neck Surgery. Dr. Gilbert specializes in the diagnosis and treatment of the head and neck. He has expertise in treating sinus/allergy disorders and offers minimally invasive sinus surgery. He also has expertise in treating chronic ear infections, hearing loss, dizziness, thyroid disorders and a variety of other ear, nose and throat problems for pediatric and adult patients.