Thomas DeLeire1, Lindsey Leininger2, Laura Dague1, Shannon Mok3, Donna Friedsam1
1University of Wisconsin-Madison
2University of Illinois-Chicago
3Congressional Budget Office
Abstract. The Patient Protection and Affordable Care Act (ACA) relies heavily on the expansion of Medicaid eligibility to cover uninsured populations. In February 2008, Wisconsin expanded and reformed its Medicaid/CHIP program and, as part of program implementation, automatically enrolled a set of newly eligible parents and children. This process of “auto-enrollment” targeted newly eligible parents and older children whose children/siblings were already enrolled in the state’s Medicaid/CHIP program. Auto-enrollment brought over 44,000 individuals into the program, representing more than 60% of all enrollees in the first month of the reformed program. Individuals who were auto-enrolled were modestly more likely to leave the program relative to other individuals who enrolled in February 2008, unless their incomes were high enough to be required to pay premiums; these auto-enrollees were much more likely to exit relative to other enrollees subject to premium payments. The higher exit rates exhibited by non-premium paying auto-enrollees were likely due to the fact that over 40% of auto-enrollees were covered by a private insurance policy in the month of their enrollment, compared to approximately 30% for regular enrollees. A national simulation of an auto-enrollment process similar to Wisconsin’s, including the expansion of adult Medicaid eligibility to 133% of the federal poverty level under the ACA, suggests that 2.5 million of the 5.6 million newly eligible parents could be auto-enrolled, and approximately 25% of this population would be privately insured. These results suggest that auto-enrollment may be appropriate for other states, especially in their efforts to enroll eligible populations who are not subject to premium requirements.
Keywords: Medicaid; enrollment; parents; auto-enrollment
doi: http://dx.doi.org/10.5600/mmrr.002.02.a02
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