Psychiatric and mental health nursing is a speciality in nursing. Psychiatric mental health-registered nurses work with individuals, families, groups and communities, and are occupied in assessing their mental health needs. Psychiatric Mental Health Advanced Practice Registered Nurses (PMH-APRNs) offer primary care services to the psychiatric-mental health population. PMH-APRNs assess, diagnose and treat individuals and families with psychiatric disorders or the potential for such disorders using their full scope of therapeutic skills, including the prescription of medication and administration of psychotherapy. PMH-APRNs often own private practices and corporations as well as consult with groups, communities, legislators and corporations.