Millions of Americans have purchased health insurance through the Marketplaces, but their access to care is not well understood. Using an audit study, we compared the scope of primary care physicians' participation in Marketplace plans to that in other insurance types in 2016. Across ten diverse states, rates of participation in Marketplace plans were higher than those in Medicaid, but lower than those in employer-sponsored insurance.
Keywords: Access To Care; Insurance Market < Insurance; Primary Care.