• HPI-I or HPII for type/text?
  • constraints: value/@value - 16 digits; prefix 800361; Luhn check

Example:

<Practitioner>
    ...
    <identifier>
        
        <type> 
            <coding> 
                <system value="http://hl7.org/fhir/v2/0203"/>
                <code value="NPI"/>
                <display value="National provider identifier"/>
            </coding>
            <text value="HPI-I"/> 
        </type>
        <system value="http://ns.electronichealth.net.au/id/hi/hpii/1.0"/>
        <value value="8003610833334085"/>
        
        
    </identifier>
    ...
</practitioner>