{"npi":"1003143801","type":"NPI-1","status":"active","name":{"display":"Dr. Alexander Feoktistov MD","other":[],"first":"ALEXANDER","last":"FEOKTISTOV","credential":"MD"},"specialty":{"primary_taxonomy":"208VP0014X","primary_taxonomy_description":"Pain Medicine","slug":"pain-medicine","schema_org_specialty":"Anesthesia","all":[{"code":"208VP0014X","description":"Pain Medicine","primary":true,"state":"IL","license":"036124141"}]},"addresses":[{"purpose":"LOCATION","street_1":"191 WAUKEGAN RD STE 300","city":"NORTHFIELD","state":"IL","postal_code":"600932744","country_code":"US","phone":"7739487557","fax":"7739487558"},{"purpose":"MAILING","street_1":"191 WAUKEGAN RD STE 300","city":"NORTHFIELD","state":"IL","postal_code":"600932744","country_code":"US","phone":"7739487557","fax":"7739487558"}],"license":{"state":"IL","number":"036124141"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20110809000635","type_code":"14-11","type_desc":"PRACTITIONER - INTERNAL MEDICINE","state":"IL","pac_id":"3870762818"}]},"enumeration_date":"2009-11-16","last_updated":"2025-10-24","_meta":{"source":"NPPES","snapshot_date":"2025-10-24","doc_url":"https://findmynpi.com/api"}}