{"npi":"1275875668","type":"NPI-1","status":"active","name":{"display":"Ognjen Katan M.D.","other":[],"first":"OGNJEN","last":"KATAN","credential":"M.D."},"specialty":{"primary_taxonomy":"207L00000X","primary_taxonomy_description":"Anesthesiology","slug":"anesthesiology","schema_org_specialty":"Anesthesia","all":[{"code":"207RC0200X","description":"Critical Care Medicine (Internal Medicine) Physician","primary":false,"state":"CA","license":"A153761"},{"code":"207L00000X","description":"Anesthesiology","primary":true,"state":"IL","license":"125062663"}]},"addresses":[{"purpose":"LOCATION","street_1":"1165 MONTGOMERY DR","city":"SANTA ROSA","state":"CA","postal_code":"954054801","country_code":"US","phone":"7075474608","fax":"7075474609"},{"purpose":"MAILING","street_1":"201 E HURON ST. #105","city":"CHICAGO","state":"IL","postal_code":"606114494","country_code":"US","phone":"3129262000"}],"license":{"state":"IL","number":"125062663"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20180620003238","type_code":"14-05","type_desc":"PRACTITIONER - ANESTHESIOLOGY","state":"CA","pac_id":"9335422914"}]},"enumeration_date":"2013-03-23","last_updated":"2023-03-28","_meta":{"source":"NPPES","snapshot_date":"2023-03-28","doc_url":"https://findmynpi.com/api"}}