Provides medical care and treatment, educates patients about their conditions, and provides emotional support to patients and families. Works in hospitals, schools, clinics or community health centers. Works under the supervision of a physician or other specialist, and serves as the primary point of care for patients in a hospital setting. May specialize in emergency room work, or treatment for a particular condition, or specialize in working with infants, the elderly or other patient groups. May work as an advanced practice specialists and prescribe medications in addition to offering specialty care.