This is the ValueSet that contains codes in both C4BB Practitioner Identifier Type Value Set (http://hl7.org/fhir/us/carin-bb/ValueSet/C4BBPractitionerIdentifierType) and C4BB Practitioner Identifier Type Value Set (http://hl7.org/fhir/us/carin-bb/ValueSet/C4BBPractitionerIdentifierType).