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2025 Medicare Part C & Part D Reporting Requirements & Data Validation

Data Extraction Process Detail

Requirement for Extraction & Review of Source Data

The following table offers guidance on examples of source data needed for each Part D reporting section. The DVC should follow the same guidance given for Part C reporting sections on the previous page.

Table 17: Examples of Source Data Needed for Each Part D Reporting Section
Part D Reporting SectionsExample Source Data
Medication Therapy Management (MTM) ProgramsClaims Files (to confirm changes to drug therapy)

Evidence of communication (for example, prescriber letters to confirm medication reviews, prescriber interventions, and changes to drug therapy)

Member Files (to confirm LTC residency)

MTM Program files (if separate from Member Files) to confirm targeting criteria, enrollment, opt out dates, reasons
GrievancesCustomer Service Call Logs

Member Letters

Case Notes
Coverage Determinations/RedeterminationsAdjudicated Claims

Customer Service Call Logs

Member/Provider/Authorized Representative Requests

Case Notes
Improving Drug Utilization Review ControlsRejected Claims

Adjudicated Claims

Case Notes/Member files

Customer Service Call Logs

Member/Provider/Authorized Representative Requests