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The information in health plans’ provider directories is often inaccurate. A 2018 report from CMS found that 52% of physician listings in MA provider directories contained at least one inaccuracy. A Commonwealth Fund–supported study compared the accuracy of four sources of provider information from five U.S. counties.
Source: The Commonwealth Fund: Publications - Category: International Medicine & Public Health Authors: Michael S. Adelberg, Austin B. Frakt, Daniel E. Polsky, Michelle Kitchman Strollo Source Type: research
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