{"npi":"1649809484","type":"NPI-1","status":"active","name":{"display":"Dr. Nayson Fernandes MD, Ms","other":[],"first":"NAYSON","last":"FERNANDES","middle":"LUIS","credential":"MD, MS"},"specialty":{"primary_taxonomy":"2084N0400X","primary_taxonomy_description":"Neurology","slug":"neurology","schema_org_specialty":"Neurologic","all":[{"code":"2084N0400X","description":"Neurology","primary":true,"state":"CA","license":"A206570"}]},"addresses":[{"purpose":"LOCATION","street_1":"1740 W TAYLOR ST","city":"CHICAGO","state":"IL","postal_code":"606127232","country_code":"US","phone":"8666002273"},{"purpose":"MAILING","street_1":"912 S WOOD ST RM 174","city":"CHICAGO","state":"IL","postal_code":"606124300","country_code":"US","phone":"8666002273"}],"license":{"state":"CA","number":"A206570"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20200929003216","type_code":"33-13","type_desc":"ORDER AND REFERRING ONLY - NEUROLOGY","state":"IL","pac_id":"4486073152"}]},"enumeration_date":"2020-04-03","last_updated":"2026-06-02","_meta":{"source":"NPPES","snapshot_date":"2026-06-02","doc_url":"https://findmynpi.com/api"}}