{"npi":"1841422482","type":"NPI-1","status":"active","name":{"display":"Nicole Geissen D.O.","other":[],"first":"NICOLE","last":"GEISSEN","middle":"MARIE","credential":"D.O."},"specialty":{"primary_taxonomy":"208G00000X","primary_taxonomy_description":"Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician","slug":"thoracic-surgery-cardiothoracic-vascular-surgery-physician","schema_org_specialty":null,"all":[{"code":"208600000X","description":"Surgery","primary":false,"state":"IL","license":"036132599"},{"code":"2086X0206X","description":"Surgical Oncology Physician","primary":false,"state":"IL","license":"036132599"},{"code":"208G00000X","description":"Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician","primary":true,"state":"IL","license":"036132599"}]},"addresses":[{"purpose":"LOCATION","street_1":"1901 W HARRISON ST STE 3350","city":"CHICAGO","state":"IL","postal_code":"60612","country_code":"US","phone":"3128646000"},{"purpose":"MAILING","street_1":"1901 W HARRISON ST STE 3350","city":"CHICAGO","state":"IL","postal_code":"606123714","country_code":"US","phone":"3128646000"}],"license":{"state":"IL","number":"036132599"},"identifiers":[{"type_code":"01","label":"Other","value":"036132599","state":"IL","issuer":"STATE LICENSE"}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20161205001868","type_code":"14-33","type_desc":"PRACTITIONER - THORACIC SURGERY","state":"IL","pac_id":"1254641244"},{"enrlmt_id":"I20220124000826","type_code":"14-33","type_desc":"PRACTITIONER - THORACIC SURGERY","state":"IN","pac_id":"1254641244"}]},"enumeration_date":"2009-08-16","last_updated":"2024-05-03","_meta":{"source":"NPPES","snapshot_date":"2024-05-03","doc_url":"https://findmynpi.com/api"}}