That’s why the results of a recent study of new plans offered in California are especially troubling. Simon Haeder, a West Virginia University political scientist, and colleagues at the University of Wisconsin-Madison and the University of California, Irvine, found that access to primary care physicians was relatively poor for a sample of plans offered through California’s Affordable Care Act Marketplace in 2015. Most Obamacare marketplace plans in California, as well as in other states, are narrow network plans.