{"result_count":1,"results":[{"addresses":[{"address_1":"1000 N OAK AVE","address_purpose":"MAILING","address_type":"DOM","city":"MARSHFIELD","country_code":"US","country_name":"United States","postal_code":"544495777","state":"WI"},{"address_1":"1000 N OAK AVE","address_purpose":"LOCATION","address_type":"DOM","city":"MARSHFIELD","country_code":"US","country_name":"United States","postal_code":"544495777","state":"WI","telephone_number":"715-387-5879"}],"basic":{"credential":"MD","enumeration_date":"2006-09-23","first_name":"FRANK","last_name":"GUZOWSKI","last_updated":"2025-09-11","middle_name":"S","name_prefix":"--","name_suffix":"--","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1159026309000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[{"code":"05","desc":"MEDICAID","identifier":"30401400","issuer":null,"state":"WI"}],"last_updated_epoch":"1757623214000","number":"1871693523","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"207R00000X","desc":"Internal Medicine","license":"23776","primary":false,"state":"WI","taxonomy_group":""},{"code":"207RG0300X","desc":"Internal Medicine, Geriatric Medicine","license":"23776","primary":true,"state":"WI","taxonomy_group":""}]}]}