{"npi":"1326136557","type":"NPI-1","status":"active","name":{"display":"Mai-Sie Chan MD","other":[],"first":"MAI-SIE","last":"CHAN","middle":"F","credential":"MD"},"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":"A83362"}]},"addresses":[{"purpose":"LOCATION","street_1":"929 CLAY ST","city":"SAN FRANCISCO","state":"CA","postal_code":"941081556","country_code":"US","street_2":"SUITE 303","phone":"4159566633","fax":"4159566638"},{"purpose":"MAILING","street_1":"929 CLAY ST","city":"SAN FRANCISCO","state":"CA","postal_code":"941081556","country_code":"US","street_2":"SUITE 303","phone":"4159566633","fax":"4159566638"}],"license":{"state":"CA","number":"A83362"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"00A833620","state":"CA","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20040715001308","type_code":"14-11","type_desc":"PRACTITIONER - INTERNAL MEDICINE","state":"CA","pac_id":"4183603848"}]},"enumeration_date":"2006-10-11","last_updated":"2023-02-14","_meta":{"source":"NPPES","snapshot_date":"2023-02-14","doc_url":"https://findmynpi.com/api"}}