{"npi":"1750488649","type":"NPI-1","status":"active","name":{"display":"An Yen M.D.","other":[],"first":"AN","last":"YEN","credential":"M.D."},"specialty":{"primary_taxonomy":"207NS0135X","primary_taxonomy_description":"Procedural Dermatology Physician","slug":"procedural-dermatology-physician","schema_org_specialty":null,"all":[{"code":"207NS0135X","description":"Procedural Dermatology Physician","primary":true,"state":"CA","license":"A056462"}]},"addresses":[{"purpose":"LOCATION","street_1":"1495 RIVER PARK DR","city":"SACRAMENTO","state":"CA","postal_code":"958154500","country_code":"US","street_2":"SUITE 200","phone":"9169257020","fax":"9169253680"},{"purpose":"MAILING","street_1":"1495 RIVER PARK DR","city":"SACRAMENTO","state":"CA","postal_code":"958154500","country_code":"US","street_2":"SUITE 200","phone":"9169257020","fax":"9169253680"}],"license":{"state":"CA","number":"A056462"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20081021000602","type_code":"14-07","type_desc":"PRACTITIONER - DERMATOLOGY","state":"CA","pac_id":"3577621432"}]},"enumeration_date":"2006-09-20","last_updated":"2021-03-31","_meta":{"source":"NPPES","snapshot_date":"2021-03-31","doc_url":"https://findmynpi.com/api"}}