Prompted by the health care overhaul law, several states are updating their rules for insurance networks to better reflect who is covered and how people shop for and use their benefits. Laws governing health insurance vary, but states generally try to ensure that health plans give residents reasonable access to a sufficient number of primary care and specialty physicians, said Tyler Brannen, a health policy analyst for the state of New Hampshire. Yet that aim hasn't kept up with changes in how and where people access health care, he added.
