Fixed   "This implementation guide defines a FHIR interface to a health insurers insurance plans, their associated networks, and the organizations and providers that participate in these networks. Publication of this data through a standard FHIR-based API will enable third parties to develop applications through which consumers and providers canquery the contents of a payers network to identify providers that can address their health care needs. Although there are multiple types and sources of providers directories, including provider organizations (i.e., a hospital listing all its physicians), government (i.e., listing of providers in Medicare), payers (i.e., a health plan's provider network), and third-party entities (such as vendors that maintain provider directories), the focus of this implementation guide in on Payer Provider Directories."