Dr. O'Leary specializes in the surgical management of disorders of the cervical, thoracic and lumbar spine, and this has been his specialty for many years. His area of expertise encompasses complex spine surgery, including revision surgery. Dr. O'Leary is often called on by individuals needing high-level, sophisticated spine care. Sports stars from the Mets and the Knicks teams are among those who have made an appointment with Dr. O'Leary for his expert opinion and for back surgery, if necessary.