AdvertisementNative Americans Feel Invisible In U.S. Health Care SystemDecember 12, 2017Eric WhitneyfacebookEmailAnna Whiting Sorrell, a member of the Confederated Salish and Kootenai Tribes in northwest Montana, had hernia surgery a couple of years ago. The Indian Health Service picked up a part of the tab for the surgery but denied coverage for follow-up appointments. (Mike Albans for NPR)