Diagnose and treat a patient''s health problems. Perform health assessments to identify new symptoms of possibly undiagnosed conditions or complications. Administer medication. Manage and deliver restorative or palliative care to the ill, disabled and dying. Teach and counsel patients about maintenance of health and prevention of illness or complications. Contribute as a member of an interdisciplinary health care team and as a consultant on health related committees to plan and implement the hea