{"result_count":1,"results":[{"addresses":[{"address_1":"2801 W KINNICKINNIC RIVER PKWY STE 460","address_purpose":"LOCATION","address_type":"DOM","city":"MILWAUKEE","country_code":"US","country_name":"United States","fax_number":"414-389-9069","postal_code":"532153695","state":"WI","telephone_number":"414-389-7388"},{"address_1":"2801 W KINNICKINNIC RIVER PKWY STE 460","address_purpose":"MAILING","address_type":"DOM","city":"MILWAUKEE","country_code":"US","country_name":"United States","fax_number":"414-389-9069","postal_code":"532153695","state":"WI","telephone_number":"414-389-7388"}],"basic":{"certification_date":"2025-08-08","credential":"M.D.","enumeration_date":"2006-08-29","first_name":"LEON","last_name":"ROSEN","last_updated":"2025-08-08","middle_name":"BESTHOFF","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1156826078000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[{"code":"05","desc":"MEDICAID","identifier":"31628700","issuer":null,"state":"WI"}],"last_updated_epoch":"1754670101000","number":"1477661437","other_names":[],"practiceLocations":[{"address_1":"2300 N EDWARD ST STE 2400","address_purpose":"LOCATION","address_type":"DOM","city":"DECATUR","country_code":"US","country_name":"United States","postal_code":"625264163","state":"IL","telephone_number":"217-876-2400"}],"taxonomies":[{"code":"207RI0011X","desc":"Internal Medicine, Interventional Cardiology","license":"036157971","primary":true,"state":"IL","taxonomy_group":""},{"code":"207RC0000X","desc":"Internal Medicine, Cardiovascular Disease","license":"26467","primary":false,"state":"WI","taxonomy_group":""},{"code":"207RC0000X","desc":"Internal Medicine, Cardiovascular Disease","license":"036157971","primary":false,"state":"IL","taxonomy_group":""},{"code":"207RI0011X","desc":"Internal Medicine, Interventional Cardiology","license":"26467","primary":false,"state":"WI","taxonomy_group":""},{"code":"207UN0901X","desc":"Nuclear Medicine, Nuclear Cardiology","license":"26467","primary":false,"state":"WI","taxonomy_group":""}]}]}