Raising fresh questions about healthcare consolidation, a new study shows hospital ownership of physician groups in California led to 10% to 20% higher costs overall for patient care.

Now that many people finally have health insurance through the Affordable Care Act exchanges, some are running into a new problem: They can't find a doctor who will take them as patients.

In a matter of weeks, the midterm election will determine the balance of legislative power between Democrats and Republicans.

With Election Day less than two weeks away, a once-popular ballot measure that would allow the state's insurance commissioner to reject rate hikes proposed by health insurers appears to be headed toward defeat, a new poll shows.

Aiming to contain health care costs, a growing number of employers and insurers are adopting a strategy that limits how much they'll pay for certain medical services such as knee replacements, lab tests and complex imaging.

This year, the big challenge for officials behind the Affordable Care Act may not be making the website work but getting customers to come shop in the first place.