{"result_count":1,"results":[{"addresses":[{"address_1":"7147 VISTA DR STE 150","address_purpose":"MAILING","address_type":"DOM","city":"WEST DES MOINES","country_code":"US","country_name":"United States","postal_code":"502669317","state":"IA","telephone_number":"515-875-9255"},{"address_1":"1215 PLEASANT ST STE 618","address_purpose":"LOCATION","address_type":"DOM","city":"DES MOINES","country_code":"US","country_name":"United States","fax_number":"515-875-9561","postal_code":"503091418","state":"IA","telephone_number":"515-875-9560"}],"basic":{"certification_date":"2025-09-08","credential":"MD","enumeration_date":"2018-06-20","first_name":"DAVID","last_name":"CHRISTIANSON","last_updated":"2025-09-08","middle_name":"THOMAS","name_prefix":"Dr.","name_suffix":"--","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1529506124000","endpoints":[{"address_1":"1215 Pleasant St Ste 618","address_type":"DOM","affiliation":"N","city":"Des Moines","contentTypeDescription":"","country_code":"US","country_name":"United States","endpoint":"davidchristianson@tic.allscriptsdirect.net","endpointType":"DIRECT","endpointTypeDescription":"Direct Messaging Address","postal_code":"503091418","state":"IA","use":"DIRECT","useDescription":"Direct"}],"enumeration_type":"NPI-1","identifiers":[],"last_updated_epoch":"1757338006000","number":"1134613466","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"207T00000X","desc":"Neurological Surgery","license":"MD-54921","primary":true,"state":"IA","taxonomy_group":""}]}]}