{"npi":"1811262009","type":"NPI-1","status":"active","name":{"display":"Dr. Jian Guan M.D.","other":[],"first":"JIAN","last":"GUAN","credential":"M.D."},"specialty":{"primary_taxonomy":"207T00000X","primary_taxonomy_description":"Neurological Surgery Physician","slug":"neurological-surgery-physician","schema_org_specialty":null,"all":[{"code":"207T00000X","description":"Neurological Surgery Physician","primary":true,"state":"CA","license":"161397"}]},"addresses":[{"purpose":"LOCATION","street_1":"5215 TORRANCE BLVD STE 300","city":"TORRANCE","state":"CA","postal_code":"905034009","country_code":"US","phone":"4242125361"},{"purpose":"MAILING","street_1":"5215 TORRANCE BLVD STE 300","city":"TORRANCE","state":"CA","postal_code":"905034009","country_code":"US","phone":"4242125361"}],"license":{"state":"CA","number":"161397"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20190625001491","type_code":"14-14","type_desc":"PRACTITIONER - NEUROSURGERY","state":"CA","pac_id":"1951532167"}]},"enumeration_date":"2012-03-20","last_updated":"2021-04-13","_meta":{"source":"NPPES","snapshot_date":"2021-04-13","doc_url":"https://findmynpi.com/api"}}