Webaccording to the american association of nurse practitioners, “the role of the pmhnp is to assess, diagnose, and treat the mental health needs of patients. Webthe skill set of psychiatric mental health nurse practitioners (pmhnps) is ideal for leading bhi, but few bhi reports evaluate the pmhnp role. Webpmhnp educators are confronted with deciding whether or not to prepare students to become solely mental health prescribers, or healthcare system leaders with a fully.