Or. Rev. Stat. 441.055(3)(e)
441.055 Rules; health care facilities to ensure compliance; medical staff bylaws; peer review; procedure.
(1) The governing body of each health care facility shall be responsible for the operation of the facility, the selection of the medical staff and the quality of care rendered in the facility. The governing body shall:
(a) Ensure that all health care personnel for whom state licenses, registrations or certificates are required are currently licensed, registered or certified;
(b) Ensure that physicians admitted to practice in the facility are granted privileges consistent with their individual training, experience and other qualifications;
(c) Ensure that procedures for granting, restricting and terminating privileges exist and that such procedures are regularly reviewed to ensure their conformity to applicable law;
(d) Ensure that physicians admitted to practice in the facility are organized into a medical staff in such a manner as to effectively review the professional practices of the facility for the purposes of reducing morbidity and mortality and for the improvement of patient care; and
(e) Ensure that a physician is not denied medical staff membership or privileges at the facility solely on the basis that the physician holds medical staff membership or privileges at another health care facility.