{"result_count":1,"results":[{"addresses":[{"address_1":"3691 RUTGER AVE","address_purpose":"MAILING","address_type":"DOM","city":"ST. LOUIS","country_code":"US","country_name":"United States","fax_number":"314-977-6777","postal_code":"63110","state":"MO","telephone_number":"314-977-6828"},{"address_1":"1465 S GRAND BLVD","address_purpose":"LOCATION","address_type":"DOM","city":"SAINT LOUIS","country_code":"US","country_name":"United States","fax_number":"314-268-4081","postal_code":"631041003","state":"MO","telephone_number":"314-577-5638"}],"basic":{"credential":"MD","enumeration_date":"2007-03-07","first_name":"JEN YIH","last_name":"CHU","last_updated":"2025-09-11","name_prefix":"--","name_suffix":"--","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1173301761000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[],"last_updated_epoch":"1757623214000","number":"1528199304","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"208000000X","desc":"Pediatrics","license":"R5985","primary":false,"state":"MO","taxonomy_group":""},{"code":"2080P0207X","desc":"Pediatrics, Pediatric Hematology-Oncology","license":"R5985","primary":true,"state":"MO","taxonomy_group":""}]}]}