Not able to resolve this uri - NPI system - http://hl7.org/fhir/sid/us-npi
URI obtained from Identifier-registry - FHIR v4.0.1 .
Not able to resolve this uri - NPI system - http://hl7.org/fhir/sid/us-npi
URI obtained from Identifier-registry - FHIR v4.0.1 .
Not all URIs resolve. What were you hoping it would resolve to?