Provides direct care to patients along the wellness spectrum by performing advanced assessment, diagnosis, prescribing, selecting, administering, and providing therapeutic measures and treatment regimes to patients with undifferentiated symptoms as well as those with established diagnoses. Strives continuously to improve the quality of his/her patient care by developing, participating, disseminating, or interpreting current clinical research evidence and quality improvement data into practice at the local, community, state, or national level.