1) Certain doctor 2) Clinic doc 3) Doctor 4) Future resident 5) Hospital apprentice 6) Hospital person 7) Hospital staff man 8) Hospital staffer 9) Houseman 10) Important doctor 11) Impound for the duration 12) Intern 13) Medical apprentice 14) Medical intern 15) Medico 16) Physician 17) Student teacher Found on https://www.crosswordclues.com/clue/interne