{"npi":"1649473000","type":"NPI-1","status":"active","name":{"display":"John Chi MD","other":[],"first":"JOHN","last":"CHI","middle":"H","credential":"MD"},"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":"MA","license":"235576"}]},"addresses":[{"purpose":"LOCATION","street_1":"75 FRANCIS ST","city":"BOSTON","state":"MA","postal_code":"021156110","country_code":"US","phone":"6175258142"},{"purpose":"MAILING","street_1":"75 FRANCIS ST","city":"BOSTON","state":"MA","postal_code":"021156110","country_code":"US","street_2":"DEPARTMENT OF NEUROSURGERY","phone":"6175258142"}],"license":{"state":"MA","number":"235576"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20080727000009","type_code":"14-14","type_desc":"PRACTITIONER - NEUROSURGERY","state":"MA","pac_id":"7810088663"}]},"enumeration_date":"2007-06-06","last_updated":"2008-11-26","_meta":{"source":"NPPES","snapshot_date":"2008-11-26","doc_url":"https://findmynpi.com/api"}}