name and date of birth

Ever wonder why US doctors and nurses keep asking for that? Apparently it's part of HIPAA rules to use two identifiers to make sure you have the right patient. Also a basic cognition test -- if someone doesn't know their birthday, red alert.

https://www.quora.com/Why-do-nurses-and-doctors-ask-for-your-birthday-in-the-hospital-even-if-they-already-know-it-or-have-it-in-their-notes