Answer:
Their ID, and licence , and maybe permits (any permit). If you have citizenship of the country you could also use that as your social identity
Explanation:
The advantage is the specialist will be able to give you more info on what is wrong and a primary care physician can only give you as much info as they know. Like if your arm was broken you would want to go to a specialist because they know about more and a physician if you have a common cold.
Wat the qustien i dont understan