{"npi":"1033564018","type":"NPI-1","status":"active","name":{"display":"Christian Olortegui M.D.","other":[{"code":"1","type":"Formerly known as","value":"FERNANDEZ, CHRISTIAN"}],"first":"CHRISTIAN","last":"OLORTEGUI","middle":"FERNANDEZ","credential":"M.D."},"specialty":{"primary_taxonomy":"2085R0001X","primary_taxonomy_description":"Radiation Oncology Physician","slug":"radiation-oncology-physician","schema_org_specialty":null,"all":[{"code":"2085R0001X","description":"Radiation Oncology Physician","primary":true,"state":"IL","license":"036.156089"}]},"addresses":[{"purpose":"LOCATION","street_1":"1901 W HARRISON ST","city":"CHICAGO","state":"IL","postal_code":"606123714","country_code":"US","phone":"3128643838"},{"purpose":"MAILING","street_1":"1901 W HARRISON ST","city":"CHICAGO","state":"IL","postal_code":"606123714","country_code":"US","phone":"3128643838"}],"license":{"state":"IL","number":"036.156089"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20210609001706","type_code":"14-92","type_desc":"PRACTITIONER - RADIATION ONCOLOGY","state":"IL","pac_id":"1355628884"}]},"enumeration_date":"2016-04-27","last_updated":"2024-08-21","_meta":{"source":"NPPES","snapshot_date":"2024-08-21","doc_url":"https://findmynpi.com/api"}}