Updated research request forms and data security approval requirement effective 4/24/23
This variable is contained in the following files:
SAS Name
PRF_PHYSN_UPIN
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.
Source: NCH