NAME: Carrier Line Performing UPIN Number DESCRIPTION: The unique physician identification number (UPIN) of the physician who performed the service for this line item on the carrier claim (non-DMERC). NPIs replaced UPINs as the standard provider identifiers beginning in 2007. The UPIN is almost never populated after 2009. SHORT NAME: PRF_UPIN LONG NAME: PRF_PHYSN_UPIN TYPE: CHAR LENGTH: 12 SOURCE: CWF CODE VALUES: - COMMENT: -