Back to top
This variable is contained in the following files: Part D Pharmacy Characteristics File
SAS Name

The start date of the pharmacy's relationship with a chain or franchise as reported to NCPDP.

Some pharmacies share a relationship with a common organization. For each of these pharmacies, there is a relationship ID (RELATIONSHIP_ID) and type (RELATIONSHIP_TYPE).


Additional details regarding the National Council for Prescription Drug Programs (NCPDP) source data are available at:

Source: NCDPD DataQ™