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

This is the taxonomy code for the pharmacy. This field allows researchers to better understand the type of pharmacy that dispensed the medication.


This primary taxonomy code applies to the primary dispenser type (variable called PRIMARY_DISPENSER_TYPE). For each pharmacy, there is information for up to three taxonomy codes, associated with each of the dispenser types (see SECONDARY_TAXONOMY_CODE and TERTIARY_TAXONOMY_CODE variables).

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

Taxonomy codes are assigned by the National Uniform Claims Committee (NUCC). For a current list of NUCC Provider Taxonomy Codes and Descriptions see the Code Sets link at

Source: NCDPD DataQ™

(e.g., 3336C0003X)