Frequently Asked Questions

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FAQ

Can I link the Physician and Other Supplier PUF to other data CMS releases or other public data?

When linking data from this file to other public datasets, please be aware of the particular Medicare populations included and timeframes used in each file that will be merged.  For example, efforts to link the Physician and Other Supplier PUF data to Part D prescription drug data would need to account for the fact that some beneficiaries who have 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 Part D data files).  At the same time, some beneficiaries that have Part D coverage (and are thus included in the Part D data) do not have FFS Part B coverage (and thus not included in the Physician and Other Supplier PUF).  Another example would be linking to data constructed from different or non-aligning time periods, such as publically available data on physician referral patterns, which is based on an 18-month period.

(FAQ9860)

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