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This variable is contained in the following files:
SAS Name
AT_PHYSN_TXNMY_CD
The health care provider taxonomy (HCPT) code used to indicate the attending provider's specialty. This is a unique identifier for a classification of health care specialty at a specialized level of defined medical activity within a medical field as created by the National Uniform Claim Committee (NUCC).
Additional information regarding the meaning of the NUCC taxonomy codes is available on the NUCC website.
Source: Medicare Advantage Organizations (MAOs)