{"npi":"1710191036","type":"NPI-1","status":"active","name":{"display":"Ms. Frances Nathanson LCSW","other":[],"first":"FRANCES","last":"NATHANSON","middle":"IRENE","credential":"LCSW"},"specialty":{"primary_taxonomy":"1041C0700X","primary_taxonomy_description":"Clinical Social Worker","slug":"clinical-social-worker","schema_org_specialty":null,"all":[{"code":"1041C0700X","description":"Clinical Social Worker","primary":true,"state":"IL","license":null}]},"addresses":[{"purpose":"LOCATION","street_1":"2700 N LAKEVIEW AVE","city":"CHICAGO","state":"IL","postal_code":"606143488","country_code":"US","phone":"7732813800","fax":"7732818790"},{"purpose":"MAILING","street_1":"4101 N RAVENSWOOD AVE","city":"CHICAGO","state":"IL","postal_code":"606132193","country_code":"US","phone":"7732813800","fax":"7732818790"}],"license":null,"identifiers":[{"type_code":"01","label":"Other","value":"0031648924","state":"IL","issuer":"EXISTING BCBS PROVIDER #"}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20180911002400","type_code":"14-80","type_desc":"PRACTITIONER - CLINICAL SOCIAL WORKER","state":"IL","pac_id":"9739439803"}]},"enumeration_date":"2007-05-09","last_updated":"2007-07-08","_meta":{"source":"NPPES","snapshot_date":"2007-07-08","doc_url":"https://findmynpi.com/api"}}