Argelia Zarate, a Mixteco interpreter at the Oxnard School District, encourages students to practice their native languages. Jeremy Raff/KQED hide caption

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Errors in diagnosis, such as inaccuracies or delays in making the information available, account for an estimated 10 percent of patient deaths, a blue-ribbon report says. iStockphoto hide caption

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University Medical Center New Orleans on Aug. 1, when the $1 billion facility welcomed its first patients. Brett Duke/The Times-Picayune/Landov hide caption

itoggle caption Brett Duke/The Times-Picayune/Landov

Peter Lee, executive director of Covered California, (left) poses with his uncle, Philip Lee, and father Peter Lee (seated) at the younger Peter Lee's home in Pasadena, Calif., in 2013. Gina Ferazzi/LA Times via Getty Images hide caption

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A Yale University study analyzed the experience of 60 million Americans covered by traditional Medicare between 1999 and 2013, and found "jaw-dropping improvements in almost every area," the lead author says. Ann Cutting/Getty Images hide caption

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One of the first signs drivers see on the way into Unionville, Mo. is this billboard advertising cardiology at Putnam County Memorial Hospital. Offering specialty services, like cardiology and psychiatry turned the hospital around, community leaders say. Bram Sable-Smith/KBIA/Side Effects Public Media hide caption

itoggle caption Bram Sable-Smith/KBIA/Side Effects Public Media

Nora Zamichow says if she and her husband, Mark Saylor, had known how doctors die, they might have made different treatment decisions for him toward the end of his life. Maya Sugarman/KPCC hide caption

itoggle caption Maya Sugarman/KPCC

While governor of Texas, Rick Perry refused to accept federal funds to expand Medicaid. Rick Wilking/Reuters/Landov hide caption

itoggle caption Rick Wilking/Reuters/Landov