{"result_count":1,"results":[{"addresses":[{"address_1":"4430 MISSOURI AVE","address_purpose":"LOCATION","address_type":"DOM","city":"FORT LEONARD WOOD","country_code":"US","country_name":"United States","fax_number":"573-596-1783","postal_code":"654739098","state":"MO","telephone_number":"573-596-1769"},{"address_1":"4430 MISSOURI AVE","address_purpose":"MAILING","address_type":"DOM","city":"FORT LEONARD WOOD","country_code":"US","country_name":"United States","fax_number":"573-596-1783","postal_code":"654739098","state":"MO","telephone_number":"573-596-1769"}],"basic":{"certification_date":"2025-01-30","credential":"M.D.","enumeration_date":"2014-06-13","first_name":"JASON","last_name":"ZACK","last_updated":"2025-01-30","middle_name":"M","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1402674285000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[],"last_updated_epoch":"1738268813000","number":"1255745691","other_names":[],"practiceLocations":[{"address_1":"901 MONTGOMERY ST","address_purpose":"LOCATION","address_type":"DOM","city":"DECORAH","country_code":"US","country_name":"United States","postal_code":"521012325","state":"IA","telephone_number":"563-382-2911"}],"taxonomies":[{"code":"207N00000X","desc":"Dermatology","license":"MD53344","primary":false,"state":"IA","taxonomy_group":""},{"code":"207N00000X","desc":"Dermatology","license":"0101259277","primary":true,"state":"VA","taxonomy_group":""}]}]}