“…The negative barrier theme most often mentioned was the restrictive scope of practice for NPs, identified in 13 of 45 occurrences (28.89%) reviewed [ 9 , 14 , 16 , 20 , 23 , 24 , 31 , 32 , 34 , 35 , 36 ]. Lack of policy and funding, Medicare regulations, state regulatory constraints, prohibited billing for visits, and no authority to write or change orders were all contributors to restrictive scope of practice for NPs [ 9 , 23 , 24 , 32 , 34 , 35 ]. These restrictions required direct or indirect supervision from physicians for NPs, as well [ 31 ].…”