Ohio Revised Code Title XXXIX. Insurance § 3922.15

(A) Be an expert in the treatment of the medical condition that is the subject of the external review;

(B) Be knowledgeable about the requested health care service through clinical experience, within the last three years, treating patients with the same, or a similar, medical condition, and, in the case of an external review of an experimental or investigational health care service, be an expert, through clinical experience in the last three years, in the treatment of the covered person's condition and have knowledge of the requested health care service;

(C) Hold a nonrestricted license in a state of the United States and, for physicians, a current certification by a recognized American medical specialty board in the area or areas appropriate to the subject of the external review;

(D) Have no history of disciplinary actions or sanctions, including loss of staff privileges or participation restrictions, that have been taken or are pending by any hospital, governmental agency or unit, or regulatory body that raise a question as to the clinical reviewer's physical, mental, or professional competence or moral character.