Statistics from Altmetric.com
The National Health Service (NHS) doctors are required to carry photo-identification (ID) badges which also show information about the speciality and the grade of the doctor. Members of the public are able to see the name of the individual and may be able to gauge their level of experience from what is detailed on the badge.
For most NHS hospitals, there are usually three grades of seniority of doctors most likely encountered by the public. Prior to 2007, these posts were commonly referred to in the familiar terms of Senior House Officer for junior posts, Registrar or Specialist Registrar (SpR) for middle grades and Consultant for senior doctors. With the introduction of Modernising Medical Careers in 2007, these designations became much more complex and variable, often including abbreviations and numbers (FY1-2, ST1-8, …