“…Recognized by Medicare and other payers as billingeligible providers for many health care services, nurse practitioners (NPs) and physician assistants (PAs) have been increasing in prevalence throughout radiology departments as well as the entire health care enterprise [1][2][3][4][5][6][7][8][9][10]. Referred to by some as advanced practice providers, advanced practice clinicians, midlevel providers, or physician extenders, their scope of practice, prescription privileges, and ability to practice independently have increased but continue to vary widely among practices and states [11,12].…”