<performer typeCode="PRF">
        <assignedEntity>
        <id root="2.16.840.1.113883.4.6" extension="1558574525"/>
          <code code="62247001" codeSystem="2.16.840.1.113883.6.69" codeSystemName="SNOMED CT" displayName="Internal Medician Specialist"/>
          <addr>
            <streetAddressLine>123 Maple Ave</streetAddressLine>
            <city>Gaithersburg</city>
            <state>MD</state>
            <postalCode>20877</postalCode>
          </addr>
          <assignedPerson>
            <name>
              <given>Nancy</given>
              <family>Anthracite</family>
              <suffix>MD</suffix>
            </name>
          </assignedPerson>
        </assignedEntity>
      </performer>
    </serviceEvent>
  </documentationOf>