Central Distributor SID: Description of Data Elements

MDNUMTYPE1 - Physician 1 number type

Documentation Sections:

General Notes

Uniform Values

State Specific Notes

General Notes

Prior to 2001, this data element is called MDIDTYPE. Some data sources use more than one coding scheme for the physician identifiers stored in the MDNUM1 and encrypted in MDNUM1_S. Coding schemes include hospital-assigned numbers, State license numbers, or the Universal Physician Identification Numbers (UPIN) used by HCFA. If the data source provides the information to identify which coding scheme is used, the information is retained in MDNUMTYPE1.

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Uniform Values

Variable Description Value Value Description MDNUMTYPE1 Physician 1 number type H Hospital-assigned number N National Provider Identifier (NPI) S State license number U UPIN Blank Missing

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State Specific Notes

Arkansas Beginning 2016, Arkansas provides the National Provider Identifier (NPI) and no longer provides values for Physician 1 Number Type. Prior to 2016, Arkansas provided "Federal Taxpayer's Identification Number" and "Specialty License Number". These were mapped to "A" (Other values) during the HCUP processing. Arkansas did not provide "Hospital-assigned number". Value Description Value Description   Nothing to map to MDUMTYPE=H H Hospital-assigned number NI National Provider Identifier (NPI) - 10 digit number N National Provider Identifier (NPI) SL State License Number - Alpha and 4 digits S State license number UP or 1G Universal Physician Identification Number (UPIN) - Alpha and 5 digits U UPIN F1 Federal Taxpayer's Identification Number A Other values SP Specialty License Number Values other than listed above blank

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