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This variable is contained in the following files:
SAS Name
CARR_NUM
The identification number assigned by CMS to a carrier authorized to process claims from a physician or supplier.
Effective July 2006, the Medicare Administrative Contractors (MACs) began replacing the existing carriers and started processing physician or supplier claim records for states assigned to its jurisdiction.
Source: NCH
Values and websites referenced may change over time. Refer to this website for current information: https://www.cms.gov/Medicare/Medicare-Contracting/Medicare-Administrative-Contractors/Who-are-the-MACs.
Prior to version H this field was named: FICARR_IDENT_NUM.