January marked the first time since new health insurance markets opened last fall that a national monthly enrollment target was met, even though states are having varying success getting people to sign up.
After a troubled rollout, President Barack Obama's health care overhaul now faces its most personal test: How will it work as people seek care under its new mandates?
The Obama administration says a December surge has propelled health insurance sign-ups through the federal government's website past the 1 million mark.