Careful audits of a representative sampling of bills from 37 Medicare Advantage Programs in 2007 have revealed some consistent patterns in the way they overbill, a Center for Public Integrity investigation finds. Nick Shepherd/Ikon Images/Getty Images hide caption

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The physical therapy workouts a rehabilitation facility offers can be a crucial part of healing, doctors say. But a government study finds preventable harm — including bedsores and medication errors — occurring in some of those facilities, too. Andersen Ross/Blend Images/Getty Images hide caption

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A Texas lawsuit filed against 30 insurance plans in 15 states alleges that the companies overcharged Medicare for doctors' house calls. Laughing Stock/Corbis hide caption

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The newly approved Harvoni tablets bring several advances to the fight against hepatitis C, but they also have a steep price tag, reported at $1,125 for a single dose. Gilead Sciences hide caption

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Kevin Wierhs and Susan Johnson confer about what works and what doesn't in managing diabetes. Sarah McCammon/Georgia Public Broadcasting hide caption

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To Prevent Repeat Hospitalizations, Talk To Patients

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A check of Medicare's new database of payments to physicians confirms that at least $6 million in 2012 went to doctors who had been indicted or otherwise sanctioned. iStockphoto hide caption

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Gubernatorial hopeful Dr. Donald Berwick speaks at the Massachusetts Democratic Party Platform Convention in July. Aram Boghosian/Boston Globe via Getty Images hide caption

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Presenting Marilyn Tavenner, the first official official in charge of the Centers for Medicare and Medicaid Services in years. Manuel Balce Ceneta/AP hide caption

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Health and Human Services Secretary Kathleen Sebelius (center), flanked by Centers for Medicare and Medicaid Services Acting Administrator Marilyn Tavenner (left) and Food and Drug Administration Commissioner Margaret Hamburg, speaks during a budget briefing in Washington on Wednesday. Manuel Balce Ceneta/AP hide caption

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Arkansas Gov. Mike Beebe speaks at a rally promoting the expansion of Medicaid in the state in front of the Capitol in Little Rock on March 7. Danny Johnston/AP hide caption

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Arkansas Medicaid Expansion Attracts Other States' Interest

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Luz Sepada, 59, lives in South Tucson, Ariz. Before the University of Arizona Health Plan assumed control of her medical care, Sepada was hospitalized 10 times in one year. After she was assigned a UAHP case manager, Sepada has been able to stay at home with no trips to the emergency department. Sarah Varney/KHN hide caption

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Arizona Seeks To Balance Patients And Profits With Home Care

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The majority of what happens on Jan. 1, 2013, is tax increases and cuts in tax deductions to pay for the changes coming in 2014. iStockphoto.com hide caption

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What The Health Law Will Bring In 2013

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