"This study [of hospital networks used by more than 400 Medicare Advantage plans across the U.S.] is narrow ...

... but still important, because everyone's wondering if narrow networks map to lower quality ratings. At least as far as this study goes, it did not find a correlation. This fuels the emerging debate about measuring network effectiveness instead of network size."

— Michael Adelberg, senior director at FaegreBD Consulting and a former top CMS Medicare Advantage official, told AIS's Medicare Advantage News for a story on the Kaiser Family Foundation study "Medicare Advantage Hospital Networks: How Much Do They Vary?"