{"npi":"1336101500","type":"NPI-1","status":"active","name":{"display":"Dr. Chuk Kwan M.D.","other":[],"first":"CHUK","last":"KWAN","middle":"W.","credential":"M.D."},"specialty":{"primary_taxonomy":"207R00000X","primary_taxonomy_description":"Internal Medicine","slug":"internal-medicine","schema_org_specialty":"Internal","all":[{"code":"207R00000X","description":"Internal Medicine","primary":true,"state":"CA","license":"G32238"},{"code":"207RC0000X","description":"Cardiovascular Disease","primary":false,"state":"CA","license":"G32238"}]},"addresses":[{"purpose":"LOCATION","street_1":"929 CLAY ST","city":"SAN FRANCISCO","state":"CA","postal_code":"941081556","country_code":"US","street_2":"SUITE 600","phone":"4153985926","fax":"4153986956"},{"purpose":"MAILING","street_1":"929 CLAY ST","city":"SAN FRANCISCO","state":"CA","postal_code":"941081556","country_code":"US","street_2":"SUITE 600","phone":"4153985926","fax":"4153986956"}],"license":{"state":"CA","number":"G32238"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"00G322380","state":"CA","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20090204000663","type_code":"14-11","type_desc":"PRACTITIONER - INTERNAL MEDICINE","state":"CA","pac_id":"7911061007"}]},"enumeration_date":"2006-04-04","last_updated":"2016-12-11","_meta":{"source":"NPPES","snapshot_date":"2016-12-11","doc_url":"https://findmynpi.com/api"}}