unique provider identification number
Also found in: Acronyms.
u·nique pro·vi·der iden·ti·fi·ca·tion num·ber(UPIN) (yū-nēk' prō-vī'dĕr ī-den'ti-fi-kā'shŭn nŭm'bĕr)
Numeric designation, much like a Social Security number, which is used to determine a provider of a health care service for insurance purposes.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012