house officer 
noun British
A qualified doctor practising under supervision in hospital in the first year after graduation. Also called houseman or intern.Schon et al recently surveyed medical students, senior house officers, and general practitioners about such matters, and the results merit serious attention....
- Surveys of general practitioners, junior house officers, and hospital consultants have identified high levels of emotional problems, including ‘burnout.’
- Physician assistants are employed more often as house officers within the hospital setting than are nurse practitioners; surgery and its subspecialties are the most popular in-house specialties.