The Affordable Care Act will extend health insurance to millions of Americans—a number that grows weekly with Republican governors signing onto the Medicaid expansion. Health policy experts expect that increased insurance coverage will lead to increased demand for health care. Once a patient has access to health insurance coverage, the thinking goes, she or he will be more likely to turn up seeking care. Nine months out from the insurance expansion, there's a fierce battle underway—largely in the states—over who gets to provide that care.
