Growing instability in the Affordable Care Act's insurance exchanges was the biggest storyline in health insurance for 2016.

The CMS has made a handful of final changes to the Affordable Care Act's health insurance marketplaces for 2018, just a little more than a month before Donald Trump takes over the White House and congressional Republicans move to repeal the healthcare reform law.

Michael Rowan, the COO of Catholic Health Initiatives and No. 2 executive behind CEO Kevin Lofton, will leave the health system at the end of this month "to explore a number of other opportunities in the healthcare industry."

Shareholders of TeamHealth filed a class-action lawsuit Tuesday against the physician-staffing company, alleging it accepted an inferior takeover offer from the Blackstone Group when a much more lucrative bid had been on the table.

The move, which analysts say is long overdue considering the federal government owes more than $8 billion in risk-corridor payments, will slash Humana's year-end earnings per share by $2.45.

The federal government has until the end of 2020 to wipe out the backlogged glut of Medicare claims appeals from hospitals, a federal judge ruled this week.

More than a quarter of Native Americans nationwide are uninsured and face high barriers to care. Many say the Indian Health Service is failing them, and Congress is not moving quickly to address the problems of mismanagement, funding and poor quality care in IHS.

If Congress passes the 21st Century Cures Act, the federal government would be barred from axing the worst performers in Medicare Advantage through 2018.

The Federal Trade Commission and a cadre of prominent health economists are urging Tennessee officials to reject a potential merger between Mountain States Health Alliance and Wellmont Health System.

The Federal Trade Commission and a cadre of prominent health economists are urging Tennessee officials to reject a potential merger between Mountain States Health Alliance and Wellmont Health System.

WellCare plans to acquire Universal American Corp., bolstering the company's investment in Medicare Advantage and accountable care organizations. After factoring in Universal American's debt and retirement of preferred shares, the deal is worth about $800 million.

Lloyd Dean, CEO of Dignity Health, is resigning from the board of directors at Navigant Consulting. Dean is looking to spend more time on Dignity's pending merger with Catholic Health Initiatives.