The certified Family Nurse Practitioner (FNP) or Physician Assistant is a primary health care provider practicing in ambulatory, hospital, and long-term care settings. The provider delivers nursing and medical services to individuals, families, and groups; diagnoses and manages acute episodic and chronic illnesses; and promotes health and disease prevention. Services include ordering, conducting, and interpreting diagnostic and laboratory tests, prescribing pharmacologic agents and nonpharmacologic therapies, and teaching and counseling individuals, families, and groups.