{"npi":"1518499409","type":"NPI-1","status":"active","name":{"display":"Dr. Matthew Mandell DO","other":[],"first":"MATTHEW","last":"MANDELL","middle":"J","credential":"DO"},"specialty":{"primary_taxonomy":"207R00000X","primary_taxonomy_description":"Internal Medicine","slug":"internal-medicine","schema_org_specialty":"Internal","all":[{"code":"207RR0500X","description":"Rheumatology Physician","primary":false,"state":"IL","license":"036150065"},{"code":"207R00000X","description":"Internal Medicine","primary":true,"state":"IL","license":"036150065"}]},"addresses":[{"purpose":"LOCATION","street_1":"1333 W BELMONT AVE STE 200","city":"CHICAGO","state":"IL","postal_code":"606575785","country_code":"US","phone":"3129263627","fax":"3126941885"},{"purpose":"MAILING","street_1":"1333 W BELMONT AVE STE 200","city":"CHICAGO","state":"IL","postal_code":"606575785","country_code":"US","phone":"3126941693","fax":"3126941885"}],"license":{"state":"IL","number":"036150065"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"1518499409","state":"IL","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20250115003274","type_code":"14-11","type_desc":"PRACTITIONER - INTERNAL MEDICINE","state":"IL","pac_id":"5991073116"}]},"enumeration_date":"2017-03-30","last_updated":"2025-03-24","_meta":{"source":"NPPES","snapshot_date":"2025-03-24","doc_url":"https://findmynpi.com/api"}}