{"npi":"1659424232","type":"NPI-1","status":"active","name":{"display":"Dr. Stewart Willoughby DDS Lds Rcs Ms","other":[],"first":"STEWART","last":"WILLOUGHBY","middle":"GORDON","credential":"DDS LDS RCS MS"},"specialty":{"primary_taxonomy":"122300000X","primary_taxonomy_description":"Dentist","slug":"dentist","schema_org_specialty":null,"all":[{"code":"122300000X","description":"Dentist","primary":true,"state":"IL","license":null}]},"addresses":[{"purpose":"LOCATION","street_1":"8301 S BRANDON AVE","city":"CHICAGO","state":"IL","postal_code":"606172656","country_code":"US","phone":"7733756199"},{"purpose":"MAILING","street_1":"8301 S BRANDON AVE","city":"CHICAGO","state":"IL","postal_code":"606172656","country_code":"US","phone":"7733756199"}],"license":null,"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20151111000639","type_code":"33-C5","type_desc":"ORDER AND REFERRING ONLY - DENTIST","state":"IL","pac_id":"3870803448"}]},"enumeration_date":"2007-01-19","last_updated":"2007-07-08","_meta":{"source":"NPPES","snapshot_date":"2007-07-08","doc_url":"https://findmynpi.com/api"}}