The area surrounding the end of the tooth root.
This is an identifier assigned by the federal government to all providers considered to be HIPAA covered entities. Dentists who are not covered entities may elect to obtain an NPI at their discretion, or may be enumerated if required by a participating provider agreement with a third-party payer, or applicable state law/regulation.
An NPI is unique to an individual dentist or dental entity, and has no intrinsic meaning. There are two types of NPI available to dentists and dental practices: