So for the entire duration of his career, DZ had no idea what his GMC number was. No-one ever asked for it. It was not in his memory.
So when he started doing agency work he was a little surprised to find the number of times he was required to put his GMC number on various forms, including prescription forms and various other records.
A month ago I mentioned another line I've been wanting to use for some time. The opportunity hasn't arisen yet, but it's only a matter of time.