Five years into Medicare spending cuts that were supposed to devastate private Medicare options for older Americans, enrollment in private insurance plans through Medicare has shot up by more than 50 percent, confounding experts and partisans alike and providing possible lessons for the Affordable Care Act’s insurance exchanges.

Many contractors who provide farm labor and must now offer workers health insurance are complaining loudly about the cost in their already low-margin business.

Most of California's health insurance companies said Wednesday they're supporting Gov. Jerry Brown's plan to restructure a tax on health plans.

Zenefits’s battle with state regulators rages on. The California Insurance Department said on Thursday that it’s been investigating the human resources software company since last year over its business practices.

About 12.7 million Americans enrolled in private health insurance through the federal and state marketplaces for 2016, the Obama administration said Thursday

The cost of providing full Medi-Cal benefits to immigrant children who are in California unlawfully could be significantly more than the state’s health care agency has projected, according to experts and advocates.