{"npi":"1790774750","type":"NPI-1","status":"active","name":{"display":"Jeffrey Zawacki M.D.","other":[],"first":"JEFFREY","last":"ZAWACKI","middle":"K","credential":"M.D."},"specialty":{"primary_taxonomy":"208600000X","primary_taxonomy_description":"Surgery","slug":"surgery","schema_org_specialty":"Surgical","all":[{"code":"208600000X","description":"Surgery","primary":true,"state":"IL","license":"036-089882"}]},"addresses":[{"purpose":"LOCATION","street_1":"3245 GROVE AVE","city":"BERWYN","state":"IL","postal_code":"604023474","country_code":"US","street_2":"SUITE 202","phone":"7084840621","fax":"7084840250"},{"purpose":"MAILING","street_1":"3245 GROVE AVE","city":"BERWYN","state":"IL","postal_code":"604023474","country_code":"US","street_2":"SUITE 202","phone":"7084840621","fax":"7084840250"}],"license":{"state":"IL","number":"036-089882"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"036089882","state":"IL","issuer":null},{"type_code":"01","label":"Other","value":"01619787","state":null,"issuer":"BCBSIL GROUP NUMBER"}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20051116000588","type_code":"14-02","type_desc":"PRACTITIONER - GENERAL SURGERY","state":"IL","pac_id":"0042239386"}]},"enumeration_date":"2005-10-20","last_updated":"2011-03-09","_meta":{"source":"NPPES","snapshot_date":"2011-03-09","doc_url":"https://findmynpi.com/api"}}