Medicare

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FILE - In this June 3, 2010, file photo, Dr. Steven Birnbaum works with a patient in a CT scanner at Southern New Hampshire Medical Center in Nashua, N.H. A new study estimates that screening certain current and former smokers for lung cancer would cost Medicare about $2 billion a year, which would add $3 a month to Medicare premiums. (AP Photo/Jim Cole, File)

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Sen. Marco Rubio, Florida Republican, spoke out Tuesday in favor of gradually raising the retirement age, which currently sits at 67, and transitioning Medicare to a voucher system. (associated press)

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Rep. Kyrsten Sinema, Arizona Democrat, applauded Congress' bipartisan effort to reverse the planned cuts to Medicare Advantage payments. (Associated Press)

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Medicare chief Marilyn Tavenner pauses while testifying on Capitol Hill in Washington, Tuesday, Nov. 5, 2013, before the Senate Health, Education, Labor, and Pensions Committee hearing as the panel seeks reassurances about problems with the debut of the Affordable Care Act. Republicans on the committee emphasized their longstanding criticism of the law, citing examples of cancellations and increased costs while raising questions about cyber-security for healthcare.gov. (AP Photo/J. Scott Applewhite)

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Sen. Barbara Boxer, California Democrat, touted the health care law and said this week that payments to Medicare Advantage needed to be reined in.

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Sen. Orrin Hatch, Utah Republican, said "this isn't right and has to be stopped" as America's Health Insurance Plans reported that Obamacare cuts would trim payment rates to Medicare Advantage plans by nearly 6 percent in 2015. (Associated Press photographs)

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FILE - In this Jan. 16, 2014 file photo, Teresa Fryer, Medicare's top cybersecurity official, testifies on Capitol Hill in Washington. As the Obama administration raced to meet its self-imposed deadline for online health insurance markets, security experts working for the government worried that state computer systems could become a back door for hackers. In one email from Sept. 29, a Sunday two days before the launch, Fryer, chief information security officer for the federal Centers for Medicare and Medicaid Services, wrote of the state security approvals, “The front office is signing them whether or not they are a high risk.” Her agency, known as CMS, is in charge of administering the health care law. (AP Photo/J. Scott Applewhite, File)

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Rick Weiland, the Democratic candidate for one of South Dakota's two U.S. Senate seats, talks about the Medicare Choice Act he plans to introduce if elected, Tuesday, Feb. 4, 2014, in Sioux Falls, S.D. (AP Photo/Dirk Lammers)