2013 Nurse Practitioner & Physician Assistant Salary Survey. Next Prev. The average salary among all NPs earning between $20,001 and $149,999/year is $94,881.22 and the average salary among all PAs earning between $20,001and $149,999 per year is $100,497.78.For the third consecutive year, the highest percentage of NP and PA respondents were family/adult medicine practitioners.or the first time since this survey began, average salaries of NPs and PAs (see next slide) in all regions climbed above $90,000. PAs in the West continue to report the highest annual pay.