The Maryland Current Population Survey Medicaid Undercount Study


General population surveys, such as the Census Bureau’s Current Population Survey (CPS), are the most common approach to estimating the number of uninsured. These surveys, however, appear to undercount the number of individuals enrolled in Medicaid, sometimes by as much as 40 to 50 percent. The Hilltop Institute (as the Center for Health Program Development and Management) surveyed Maryland Medicaid beneficiaries and found a significant discrepancy between the CPS count and state records.

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