This is the ValueSet that contains all the codes in Identificador del Prestador (https://interoperabilidad.minsal.cl/fhir/ig/nid/ValueSet/VSIdentificadorPrestador) and Identificador del Prestador (https://interoperabilidad.minsal.cl/fhir/ig/nid/ValueSet/VSIdentificadorPrestador). E.g. what you have to deal with if you get resources containing codes in either of them