The year 2012 proved to be an eventful period for the U.S. health insurance industry. The Affordable Care Act (ACA) continued to charge ahead amid widespread controversies—including a ruling by the Supreme Court—and became infused with a fresh lease of life when President Obama won a second term in office. With last year witnessing the rise of private health exchanges, payer-provider mergers, Accountable Care Organizations, 2013 is now poised to see some important developments and new trends in the U.S. healthcare sector. Some of the landmark changes that are sure to gain prominence in 2013 include:

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