“…In 1948, the American Nurses Association (ANA) was instrumental in presenting outcome data to prove how quality, cost-effective care provided by advanced practice nurses (APNs) should be [18,20,21,28,29,32,36,37,[49][50][51][52][53][54][55][56][57][58][59][60] eligible for Medicare reimbursement. The value of this data was not truly recognized until the 1990s due to the barriers that existed.…”