{"result_count":1,"results":[{"addresses":[{"address_1":"3621 S STATE ST","address_purpose":"MAILING","address_type":"DOM","city":"ANN ARBOR","country_code":"US","country_name":"United States","postal_code":"481081633","state":"MI","telephone_number":"734-647-5299"},{"address_1":"1500 E MEDICAL CENTER DR","address_purpose":"LOCATION","address_type":"DOM","city":"ANN ARBOR","country_code":"US","country_name":"United States","postal_code":"481095000","state":"MI","telephone_number":"734-647-5299"}],"basic":{"certification_date":"2023-11-01","credential":"MD","enumeration_date":"2015-06-16","first_name":"MARK","last_name":"KLUK","last_updated":"2023-11-01","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1434466381000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[],"last_updated_epoch":"1698836532000","number":"1023499050","other_names":[],"practiceLocations":[{"address_1":"225 E CHICAGO AVE","address_purpose":"LOCATION","address_type":"DOM","city":"CHICAGO","country_code":"US","country_name":"United States","postal_code":"606112991","state":"IL","telephone_number":"800-543-7362"}],"taxonomies":[{"code":"208M00000X","desc":"Hospitalist","license":"036.149600","primary":false,"state":"IL","taxonomy_group":""},{"code":"207R00000X","desc":"Internal Medicine","license":"4301509636","primary":true,"state":"MI","taxonomy_group":""}]}]}