The American Psychiatric Nurses Association (APNA) is your resource for psychiatric mental health nursing. A professional organization with more than 8,800 members, we are committed to the practice of psychiatric mental health nursing, health and wellness promotion through identification of mental health issues, prevention of mental health problems and the care and treatment of persons with psychiatric disorders. APNA was recently named as one of American Chronicle's Top 10 Industry Associations in Nursing.  APNA Membership Benefits & Services