https://www.cms.gov/CCIIO/Programs-and-Initiatives/Health-Insurance-Marketplaces/Downloads/2017-07-12-Issuer-County-Map.pdf This shows how many insurance providers people will have access to in the US. It continues to change and does not guarantee that you can find a doctor to accept the insurance even if you can get it. Many people are choosing to go with alternatives and or go with cash pay because of the expense and the fact that in many cases the insurance seems to be worthless.