Now that federal Judge Reed O'Connor has ruled the entire Affordable Care Act is unconstitutional — since Congress zeroed out the penalty tied to the mandate to buy health insurance — the health care law once again has to show it has an extra life in its back pocket.

Federal auditors estimate that California may have paid nearly $1 billion in 2014 and 2015 to provide Medicaid benefits for people who were ineligible for the government health program, according to a new report from the Department of Health and Human Services’ Office of the Inspector General.

Cigna's $67 billion acquisition of Express Scripts cleared regulatory hurdles in two states on Thursday, putting the deal on pace to close by the end of the year.

There are five days left to sign up for a plan on Nevada’s Affordable Care Act exchange, but so far, the health insurance option isn’t as popular among consumers as it was last year.

Obamacare sign-ups through Healthcare.gov are down nationally and in Nevada as the final days of open enrollment approach.

Nine groups representing health insurers, employers and consumers on Monday called for federal legislation to protect patients from surprise medical bills from out-of-network providers.