{
  "resourceType" : "Practitioner",
  "id" : "1cPract-KsAbc",
  "name" : [{
    "family" : "Giacometti",
    "_given" : [{
      "extension" : [{
        "url" : "http://hl7.org/fhir/StructureDefinition/data-absent-reason",
        "valueCode" : "unknown"
      }]
    }]
  }],
  "address" : [{
    "city" : "Bern",
    "postalCode" : "3000"
  }]
}