The American Osteopathic Board of Surgery (AOBS) is an organization that provides board certification to qualified Doctors of Osteopathic Medicine (D.O.) who specialize in the use of surgery to aid in the diagnosis and treatment of disease (surgeons). The board is one 18 medical specialty certifying boards of the American Osteopathic Association Bureau of Osteopathic Specialists approved by the American Osteopathic Association (AOA). As of 2011, 1,279 osteopathic physicians held active certification with the AOBS. The AOBS is one of two certifying boards for surgeons in the United States; the other certifying board is the American Board of Surgery of the American Board of Medical Specialties. Fellows of the AOBS are eligible for full membership in major U.S. surgical societies such as the