A health facility or agency shall not require a physician who is licensed under article 15 to seek licensure through the interstate medical licensure compact enacted in section 16189 as a condition of initial or continued employment. However, a health facility or agency may require a physician who is licensed under article 15 to obtain and maintain a license to engage in the practice of medicine or practice of osteopathic medicine and surgery in 1 or more other states if the physician is free to obtain and maintain each license by any means authorized by the laws of the other states.