Is it necessary to enter the National Provider Identifier on the CV? If so, where to enter it? Private: Questions & Answers › Category: U-CV System › Is it necessary to enter the National Provider Identifier on the CV? If so, where to enter it? 0 Vote Up Vote Down u6001240 asked 7 years ago 1 Answers 0 Vote Up Vote Down u6001240 answered 7 years ago It is not necessary for the CV, but this is a piece of information that is used in other ways. It can be entered in the system under “System IDs”.