The monthly amount of dues for MNA shall be two times the individual member's base hourly rate of pay (excluding any differential or bonus),. Must've gotten lucky.Use these strategies to negotiate a better nursing salary in Boston, MA from the healthcare job recruiters at CHN. Hi everyone: I have an upcoming interview for a school nurse position (Massachusetts) in a suburban, public school district. RNs at MGH are now being paid MORE than NPs and PAs. The oversaturation of midlevels is starting to show.