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Medicare population sizes can be estimated using the Estimate Study Size page. For Medicaid population sizes, please refer to the Medicaid populations by state [Medicaid Enrollee Counts (PDF)].
Data Pricing
Desired Population Size *
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Medicare Claims

Medicare Master Beneficiary Summary File
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Medicaid Enrollee Supplemental File (MESF) Help Icon

Medicare Prescription Drug
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Other Files

Assessments

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