Gov. Jerry Brown has signed legislation to boost oversight of so-called "narrow networks" and other business practices that affect timely access to care.

California regulators won't challenge the next round of health insurance rate increases in the state exchange, but insurers' narrow networks of doctors and hospitals are drawing tougher scrutiny.

A federal district judge in Oklahoma dealt a blow to the Affordable Care Act on Tuesday, ruling that the federal government could not subsidize health insurance in three dozen states that refused to establish their own marketplaces. This appears to increase the likelihood that the Supreme Court will ultimately resolve the issue.

The clock is ticking for Tommy Cain and thousands of other U.S. employers facing deadlines to make changes to the health insurance they offer their employees under the Affordable Care Act. Mr. Cain has already met one of the law's key requirements: offer health insurance to at least 70% of full-time staffers by 2015, or face penalties.

Hundreds of thousands of Americans face a Tuesday deadline to verify their income and are at risk of losing or having to pay back their federal health-insurance subsidies under the Affordable Care Act.

Lance Shnider is confident Obamacare regulators knew exactly what they were doing when they created an online calculator that gives a green light to new employer coverage without hospital benefits. “There’s not a glitch in this system,” said Shnider, president of Voluntary Benefits Agency, an Ohio firm working with some 100 employers to implement such plans. “This is the way the calculator was designed.”