API end point: https://fhir.careevolution.com/Master.Adapter1.WebClient/api/fhir-providers.
https://fhir.careevolution.com/Master.Adapter1.WebClient/api/fhir-providers
http://careevolution.com/fhirextensions#claim-referralID
The Referral ID for the claim
Used in Claim resources
Type string