Prescribing Provider NPI

SAS Name

The National Provider ID (NPI) of the provider who prescribed a medication to a patient.


Values and websites referenced may change over time.

To search CMS’s NPI registry, use the following link:

SOURCE:  T-MSIS Analytic File (TAF) Claims

Valid characters include only numbers (0-9)
Code Code value
Null/missing source value is missing or unknown