{"npi":"1780628677","type":"NPI-1","status":"active","name":{"display":"Matthew Johnston M.D.","other":[],"first":"MATTHEW","last":"JOHNSTON","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":"IL","license":null}]},"addresses":[{"purpose":"LOCATION","street_1":"701 N 1ST ST","city":"SPRINGFIELD","state":"IL","postal_code":"627810001","country_code":"US","phone":"2177883156"},{"purpose":"MAILING","street_1":"PO BOX 955277","city":"SAINT LOUIS","state":"MO","postal_code":"631955277","country_code":"US"}],"license":null,"identifiers":[{"type_code":"05","label":"Medicaid","value":"0361028792","state":"IL","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20060131000174","type_code":"14-93","type_desc":"PRACTITIONER - EMERGENCY MEDICINE","state":"IL","pac_id":"6800798331"}]},"enumeration_date":"2006-06-15","last_updated":"2007-07-12","_meta":{"source":"NPPES","snapshot_date":"2007-07-12","doc_url":"https://findmynpi.com/api"}}