Frequently Asked Questions

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FAQ

Can I link the Part D Prescriber PUF to other CMS releases or other public data?

Yes. However, when users attempt to link data from the Part D Prescriber PUF files to other public datasets, they should be aware of the particular Medicare populations included and timeframes used in each file that will be merged, as well as the identifiers used to merge data. For example, efforts to link the Part D Prescriber data to the Physician and Other Supplier PUF data would need to account for the fact that some beneficiaries who have fee-for-service (FFS) Part B coverage (and are thus included in the Physician and Other Supplier PUF) do not have Part D drug coverage (and thus not represented in the Part D Prescriber PUF). At the same time, some beneficiaries that have Part D coverage (and are thus included in the Part D Prescriber PUF) do not have FFS Part B coverage (and thus not included in the Physician and Other Supplier PUF). Users attempting to merge data from the Part D Prescriber PUF to publicly available Open Payments data on financial relationships should be aware that NPIs are not available in the Open Payments data and thus merges must be conducted using text-string identification fields such as name and address.
(FAQ12220)

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