{"npi":"1366488850","type":"NPI-1","status":"active","name":{"display":"Mark Dy-Liacco MD","other":[],"first":"MARK","last":"DY-LIACCO","credential":"MD"},"specialty":{"primary_taxonomy":"208600000X","primary_taxonomy_description":"Surgery","slug":"surgery","schema_org_specialty":"Surgical","all":[{"code":"2086S0102X","description":"Surgical Critical Care Physician","primary":false,"state":"CA","license":"G192769"},{"code":"208600000X","description":"Surgery","primary":true,"state":"CA","license":"G192769"}]},"addresses":[{"purpose":"LOCATION","street_1":"5555 W LAS POSITAS BLVD","city":"PLEASANTON","state":"CA","postal_code":"945884000","country_code":"US","phone":"9254163440"},{"purpose":"MAILING","street_1":"5555 W LAS POSITAS BLVD","city":"PLEASANTON","state":"CA","postal_code":"945884000","country_code":"US"}],"license":{"state":"CA","number":"G192769"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20060411000429","type_code":"14-81","type_desc":"PRACTITIONER - CRITICAL CARE (INTENSIVISTS)","state":"IL","pac_id":"5092613265"},{"enrlmt_id":"I20170508000013","type_code":"14-02","type_desc":"PRACTITIONER - GENERAL SURGERY","state":"NC","pac_id":"5092613265"},{"enrlmt_id":"I20210312000217","type_code":"14-02","type_desc":"PRACTITIONER - GENERAL SURGERY","state":"NY","pac_id":"5092613265"},{"enrlmt_id":"I20220706003717","type_code":"14-02","type_desc":"PRACTITIONER - GENERAL SURGERY","state":"ID","pac_id":"5092613265"},{"enrlmt_id":"I20240807004475","type_code":"14-02","type_desc":"PRACTITIONER - GENERAL SURGERY","state":"CA","pac_id":"5092613265"}]},"enumeration_date":"2006-06-21","last_updated":"2025-01-14","_meta":{"source":"NPPES","snapshot_date":"2025-01-14","doc_url":"https://findmynpi.com/api"}}