Did you legally change your name?
no, I didn't
Are you working?
Yes, I am.
You should also tell your employer about your name change.
Perhaps an unrelated query about the documentation needed now. What do I do if I don't have access to one of these documents?
Do you have the Employee Identification Card?
no
and the school ID card?
no
Does the Health Insurance Card have a Medicare Card?
no
and the United States Military Identification Card?
neither