{"npi":"1205018561","type":"NPI-1","status":"active","name":{"display":"Natalie Chang D.O.","other":[],"first":"NATALIE","last":"CHANG","middle":"Y","credential":"D.O."},"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":"20A10151"}]},"addresses":[{"purpose":"LOCATION","street_1":"1515 NEWELL AVE","city":"WALNUT CREEK","state":"CA","postal_code":"945965120","country_code":"US","phone":"9252954070"},{"purpose":"MAILING","street_1":"1515 NEWELL AVE","city":"WALNUT CREEK","state":"CA","postal_code":"945965120","country_code":"US","phone":"9252954070"}],"license":{"state":"CA","number":"20A10151"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20090728000668","type_code":"14-11","type_desc":"PRACTITIONER - INTERNAL MEDICINE","state":"CA","pac_id":"2860545563"}]},"enumeration_date":"2007-11-28","last_updated":"2021-12-22","_meta":{"source":"NPPES","snapshot_date":"2021-12-22","doc_url":"https://findmynpi.com/api"}}