A registered nurse who has received special training and can perform many of the duties of a physician WordNet 3.0 & Open English WordNet

A nurse practitioner is an advanced practice registered nurse and a type of mid-level practitioner. Wikipedia

Profession Wikidata

A professional nursing designation recognized in some jurisdictions, denoting an individual who is fully qualified as a nurse and who has additional qualifications and authorization to provide diagnoses and/or treatments, including writing prescriptions . Wiktionary