Provides appropriate services to prevent, evaluate, diagnose, and treat primarily medical, as well as mental, addictive, and emotional disorders within knowledge, scope of practice, and under supervision of a physician as required. Uses knowledge of biological, psychological, and social factors to identify and design person-centered treatment plan with clients as part of a multi-disciplinary team. Assesses, analyzes and documents findings for mental health and substance abuse assessments and interventions as appropriate for training and population served. Provides consultation and education regarding diagnosis and treatment to clients, agency staff, caregivers, and community partners. Physician Assistant, Nurse Practitioner, and Clinical Nurse Specialist are examples of Advanced Practitioners.