In rural areas, family medicine/internal medicine are often the ER providers, as opposed to EM boarded physicians.
I do not know the hospital, or its distance to larger hospitals- but a rural hospital will ship out most if its complex patients to a tertiary care hospital after stablization. These include MI's, sepsis, CVA's, horrible trauma, etc. Rural hospitals with long transport times will do more "stabilization" as opposed to a hospital 45 minutes from a Level I trauma center. In addition, a native american population is special niche that has a higher rate of DM and its complications, frequent substance abuse issues, and poor health literacy.
I would think - if you want to see how it is to deal with an underserved population in a rural setting, this would be a great opporunity. If you want "cool" multi-system trauma with everyone running around and chest tubes flying everywhere - I am willing to bet this isn't the place.