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In light of the evolving COVID-19 situation, we want to assure you that ResDAC is open for business. We are actively responding to all phone and email inquiries.
* The short SAS name is RFR_NPI in the Carrier and DME files.
NPIs replaced UPINs as the standard provider identifiers beginning in 2007. The UPIN is almost never populated after 2009.
Source: NCH