Definition of internist in US English:



North American
  • A specialist in internal medicine.

    • ‘General medical professionals such as internists, primary care doctors, and nurse practitioners as well as psychiatrists, of course, evaluate, diagnose, and treat depression.’
    • ‘It is an obvious fact that a pediatrician would not need the same armamentarium as would the internist, the cardiologist, or the general surgeon.’
    • ‘The primary care physician workforce is also divided into three specialties: general internists, family practitioners, and paediatricians.’
    • ‘He is a general internist, geriatrician, and health services and policy researcher.’
    • ‘It is the purpose of this paper to stress the common occurrence of this syndrome in the everyday practice of the general practitioner, the internist, and every other specialist.’


Early 20th century: from internal + -ist.