{"npi":"1013336643","type":"NPI-1","status":"active","name":{"display":"John Nan M.D","other":[],"first":"JOHN","last":"NAN","middle":"ZHENG","credential":"M.D"},"specialty":{"primary_taxonomy":"207RI0011X","primary_taxonomy_description":"Interventional Cardiology","slug":"interventional-cardiology","schema_org_specialty":"Cardiovascular","all":[{"code":"207RI0011X","description":"Interventional Cardiology","primary":true,"state":"CA","license":"A189786"}]},"addresses":[{"purpose":"LOCATION","street_1":"455 OLD NEWPORT BLVD STE 200","city":"NEWPORT BEACH","state":"CA","postal_code":"926634255","country_code":"US","phone":"9495489611"},{"purpose":"MAILING","street_1":"455 OLD NEWPORT BLVD STE 200","city":"NEWPORT BEACH","state":"CA","postal_code":"926634255","country_code":"US","phone":"9495489611"}],"license":{"state":"CA","number":"A189786"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20231206001912","type_code":"14-C3","type_desc":"PRACTITIONER - INTERVENTIONAL CARDIOLOGY","state":"CA","pac_id":"6204132368"}]},"enumeration_date":"2014-04-10","last_updated":"2025-04-21","_meta":{"source":"NPPES","snapshot_date":"2025-04-21","doc_url":"https://findmynpi.com/api"}}