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Primary Care Appointment Availability for Medicaid Patients: Comparing Traditional and Premium Assistance Plans
Simon Basseyn1, Brendan Saloner, Genevieve M Kenney
1*Perelman School of Medicine†Leonard Davis Institute of Health Economics‡The Wharton School, Philadelphia, PA§Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD∥The Urban Institute, Washington, DC¶Office of Population Health Management, Northwell Health/Hofstra Medical School, Great Neck, NY.
Background:
Arkansas and Iowa received waivers from the federal government in 2014 to use federal Medicaid expansion funding to enroll beneficiaries in commercial insurance plans on the Marketplaces. One key hypothesis of these "private option" or "premium assistance" programs was that Medicaid beneficiaries would experience increased access to care. In this study, we compare new patient primary care appointment availability and wait-times for beneficiaries of traditional Medicaid and premium assistance Medicaid.
Methods:
Trained field staff posing as patients, randomized to traditional Medicaid or Marketplace plans, called primary care practices seeking new patient appointments in Arkansas and Iowa in May to July 2014. All calls were made to offices that previously indicated being in-network for the plan. Offices were drawn randomly, within insurance type, based on the county proportion of the population with each insurance type. We calculated appointment rates and wait-times for new patients for traditional Medicaid and Marketplace plans.
Results:
In Arkansas, Marketplace appointment rates were 27.2 percentage points higher than traditional Medicaid appointment rates (83.2% compared with 55.5%, P<0.001), while in Iowa, Marketplace appointment rates were 12.0 percentage points higher (86.3% compared with 74.3%, P<0.001). Conditional on receiving an appointment, median wait-times were roughly 1 week in each state without significant differences by insurance type.
Conclusions:
The experiences of Arkansas and Iowa suggest that enrolling Medicaid beneficiaries into Marketplace plans may lead to higher primary care appointment availability for new patients at participating providers. Further research is needed on whether premium assistance programs affect quality and continuity of care, and at what cost.