{"npi":"1104065259","type":"NPI-1","status":"active","name":{"display":"Sheryl Kwak M.D.","other":[],"first":"SHERYL","last":"KWAK","credential":"M.D."},"specialty":{"primary_taxonomy":"208600000X","primary_taxonomy_description":"Surgery","slug":"surgery","schema_org_specialty":"Surgical","all":[{"code":"208600000X","description":"Surgery","primary":false,"state":"TX","license":"BP10031148"},{"code":"208600000X","description":"Surgery","primary":true,"state":"CA","license":"A139253"}]},"addresses":[{"purpose":"LOCATION","street_1":"9961 SIERRA AVE","city":"FONTANA","state":"CA","postal_code":"923356720","country_code":"US","street_2":"MEDICAL STAFF OFFICE","phone":"9094276163"},{"purpose":"MAILING","street_1":"9961 SIERRA AVE","city":"FONTANA","state":"CA","postal_code":"923356720","country_code":"US","street_2":"MEDICAL STAFF OFFICE","phone":"9094276163"}],"license":{"state":"CA","number":"A139253"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20160217001119","type_code":"14-02","type_desc":"PRACTITIONER - GENERAL SURGERY","state":"CA","pac_id":"1456656131"}]},"enumeration_date":"2009-02-12","last_updated":"2021-11-29","_meta":{"source":"NPPES","snapshot_date":"2021-11-29","doc_url":"https://findmynpi.com/api"}}