NURSING
Chief nursing officer (CNO)
Director of nursing services
House supervisor
Nurse manager
Charge nurse
Staff nurse
Certified nursing assistant (CNA)
MEDICINE
Medical director
Head of department
Attending physician or hospitalist
Fellow
Chief resident
Senior (usually third-year) resident
Junior (second-year) resident
Intern (first-year resident)
Medical student
OTHER PROFESSIONALS
Pharmacist
Registered dietician
Respiratory therapist
Speech therapists
Occupational therapists
Physical therapists
Child life specialist
Social workers
Case managers
Chaplains
Whenever somebody walks into your hospital room, ask them to identify themselves.