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Part D Drug Event (PDE) Files

Medicare

Description

Our Part D Event (PDE) files have data on prescription drug fills for individuals enrolled in Medicare Part D, either through a Prescription Drug Plan (PDP) or a Medicare Advantage Prescription Drug Plan (MA-PD).

For both types of Plans, the PDE file has information on:

  • beneficiary demographics;
  • drug codes;
  • pharmacy identifiers; and
  • service costs.

NOTE: Part D-enrolled individuals may also use drugs that are not included in the PDE File.

Variables Summary

The table below lists variable categories for and some key variables in PDE data. For a comprehensive list of variables, review the PDE data dictionary.

Costs

Beneficiary Payment Amount, Gross Drug Cost, Third Party Payment

Demographics

Beneficiary Identification Number, Coverage Code, Date of Birth, Gender, Patient Residence

Drugs

Fill Number, National Drug Code (NDC) 11 Format, Prescription Code, RX Service Date

Provider

Prescriber ID, Service Provider ID

Years Available

2006 - 2018

Data Dictionary Link

Visit the Data Documentation Page

NIA Surveys Offering PDE

CE, HRS, LLFS, NSHAP, PT, PSAD, RADC, WLS

NIA Surveys Not Offering PDE

BLSA, HABC, NHAS, NHATS, NLTCS, PSID, UAS, UFOVT

Additional Resources

Part D Medication Therapy Management (MTM) Files