{"npi":"1144288093","type":"NPI-1","status":"active","name":{"display":"Arthur Liu MD","other":[],"first":"ARTHUR","last":"LIU","credential":"MD"},"specialty":{"primary_taxonomy":"2085R0001X","primary_taxonomy_description":"Radiation Oncology Physician","slug":"radiation-oncology-physician","schema_org_specialty":null,"all":[{"code":"2085R0001X","description":"Radiation Oncology Physician","primary":true,"state":"CO","license":"45447"}]},"addresses":[{"purpose":"LOCATION","street_1":"12605 E 16TH AVE","city":"AURORA","state":"CO","postal_code":"800452545","country_code":"US","phone":"7208480000"},{"purpose":"MAILING","street_1":"PO BOX 110429","city":"AURORA","state":"CO","postal_code":"800420429","country_code":"US","phone":"3034937000"}],"license":{"state":"CO","number":"45447"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"20807279","state":"CO","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20070815000398","type_code":"14-92","type_desc":"PRACTITIONER - RADIATION ONCOLOGY","state":"CO","pac_id":"5193817526"}]},"enumeration_date":"2006-05-02","last_updated":"2012-10-04","_meta":{"source":"NPPES","snapshot_date":"2012-10-04","doc_url":"https://findmynpi.com/api"}}