Originally Posted by
brkandjfk
Maybe this is a side issue, but MD is not part of a name, it's a designation (credential / certification) - nor is Dr. or PhD (or any of my "letters") and really should not be on her Delta profile, tickets, or REAL ID compliant identification. I guess great for you (her) that she was able to add it to her profile when she joined, but.... it should really not be considered part of the name at all, as it is revocable, can expire, etc.
It would make sense for airplane crew to know who on the plane, may be an MD in case of a medical emergency. (Upgrading is a separate issue.