{"npi":"1366442014","type":"NPI-1","status":"active","name":{"display":"Dr. Randall Mason M.D.","other":[],"first":"RANDALL","last":"MASON","middle":"P","credential":"M.D."},"specialty":{"primary_taxonomy":"207P00000X","primary_taxonomy_description":"Emergency Medicine","slug":"emergency-medicine","schema_org_specialty":"Emergency","all":[{"code":"207P00000X","description":"Emergency Medicine","primary":true,"state":"AZ","license":"11045"}]},"addresses":[{"purpose":"LOCATION","street_1":"350 N WILMOT RD","city":"TUCSON","state":"AZ","postal_code":"85711","country_code":"US","street_2":"CARONDELET ST. JOSEPH'S HOSPITAL EMERGENCY DEPT","phone":"5208735429"},{"purpose":"MAILING","street_1":"630 N ALVERNON WAY","city":"TUCSON","state":"AZ","postal_code":"857111843","country_code":"US","street_2":"STE 250","phone":"5206478850"}],"license":{"state":"AZ","number":"11045"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"201658","state":"AZ","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20100803000069","type_code":"14-93","type_desc":"PRACTITIONER - EMERGENCY MEDICINE","state":"AZ","pac_id":"1557494291"}]},"enumeration_date":"2005-07-22","last_updated":"2014-05-07","_meta":{"source":"NPPES","snapshot_date":"2014-05-07","doc_url":"https://findmynpi.com/api"}}