  <providerOrganization>
<!-- Extension is the NPI for the provider and this is a real number-->
   <id root="2.16.840.1.113883.4.6" extension="1124022827" /> 
       
       <name>WorldVistA Test Clinic</name>
        <!--WVV Address of organization is optional except for the STATE-->
       <addr>
          <state>MD</state>
          <postalCode>20877</postalCode>
        </addr>
      <!--WVP required asOrganizationPartOf added to sample-->
       <asOrganizationPartOf>
          <wholeOrganization>
        <!-- Tax ID of the provider is the extension and this is a dummy number-->
            <id root="2.16.840.1.113883.4.2" extension="226864460"/>
          </wholeOrganization> 
        </asOrganizationPartOf>
      </providerOrganization>
