Ohio Revised Code Title XLVII. Occupations Professions § 4766.17

(A) Use at a minimum a physician who holds a current, valid license issued under Chapter 4731. of the Revised Code or registered nurse who holds a current, valid license issued under Chapter 4723. of the Revised Code, and a paramedic or one other person, designated by the medical director of the air medical service organization, who holds a current, valid certificate or license to practice a health care profession in this state;

(B) Employ as a medical director an individual who holds a current, valid license issued under Chapter 4731. of the Revised Code authorizing the practice of medicine and surgery or osteopathic medicine and surgery.