{"result_count":1,"results":[{"addresses":[{"address_1":"PO BOX 1013","address_purpose":"MAILING","address_type":"DOM","city":"TROY","country_code":"US","country_name":"United States","fax_number":"937-335-9840","postal_code":"453738013","state":"OH","telephone_number":"937-335-9998"},{"address_1":"3006 N COUNTY ROAD 25A","address_2":"STE 102","address_purpose":"LOCATION","address_type":"DOM","city":"TROY","country_code":"US","country_name":"United States","fax_number":"937-339-0612","postal_code":"453731373","state":"OH","telephone_number":"937-335-2075"}],"basic":{"credential":"M.D.","enumeration_date":"2005-06-20","first_name":"WILLIAM","last_name":"CASTALDO","last_updated":"2013-04-12","middle_name":"A","name_prefix":"--","name_suffix":"--","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1119271545000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[{"code":"05","desc":"MEDICAID","identifier":"0918181","issuer":null,"state":"OH"}],"last_updated_epoch":"1365787560000","number":"1588669139","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"207RP1001X","desc":"Internal Medicine, Pulmonary Disease","license":"35064655","primary":false,"state":"OH","taxonomy_group":""},{"code":"207RC0200X","desc":"Internal Medicine, Critical Care Medicine","license":"35064655","primary":true,"state":"OH","taxonomy_group":""},{"code":"207RS0012X","desc":"Internal Medicine, Sleep Medicine","license":"35064655","primary":false,"state":"OH","taxonomy_group":""},{"code":"208M00000X","desc":"Hospitalist","license":"35064655","primary":false,"state":"OH","taxonomy_group":""}]}]}