{"result_count":1,"results":[{"addresses":[{"address_1":"3900 WOODLAND AVE","address_purpose":"MAILING","address_type":"DOM","city":"PHILADELPHIA","country_code":"US","country_name":"United States","postal_code":"191044551","state":"PA","telephone_number":"215-823-5800"},{"address_1":"3900 WOODLAND AVE","address_purpose":"LOCATION","address_type":"DOM","city":"PHILADELPHIA","country_code":"US","country_name":"United States","postal_code":"191044551","state":"PA","telephone_number":"215-823-5800"}],"basic":{"credential":"M.D.","enumeration_date":"2006-08-31","first_name":"ISABELLE","last_name":"ARNDT","last_updated":"2025-09-11","middle_name":"OWEN","name_prefix":"Dr.","name_suffix":"--","sex":"F","sole_proprietor":"NO","status":"A"},"created_epoch":"1157014894000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[],"last_updated_epoch":"1757623214000","number":"1487765020","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"2084A0401X","desc":"Psychiatry & Neurology, Addiction Medicine","license":"MD022192E","primary":false,"state":"PA","taxonomy_group":""},{"code":"2084P0800X","desc":"Psychiatry & Neurology, Psychiatry","license":"MD022192E","primary":false,"state":"PA","taxonomy_group":""},{"code":"2084P0802X","desc":"Psychiatry & Neurology, Addiction Psychiatry","license":"MD022192E","primary":false,"state":"PA","taxonomy_group":""},{"code":"2084P2900X","desc":"Psychiatry & Neurology, Pain Medicine","license":"MD022192E","primary":true,"state":"PA","taxonomy_group":""}]}]}