Definition of internist in US English:

internist

noun

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.’

Origin

Early 20th century: from internal + -ist.

Pronunciation