{"result_count":1,"results":[{"addresses":[{"address_1":"330 BROOKLINE AVE","address_purpose":"MAILING","address_type":"DOM","city":"BOSTON","country_code":"US","country_name":"United States","postal_code":"022155400","state":"MA"},{"address_1":"330 BROOKLINE AVE","address_purpose":"LOCATION","address_type":"DOM","city":"BOSTON","country_code":"US","country_name":"United States","postal_code":"022155400","state":"MA","telephone_number":"617-667-7000"}],"basic":{"certification_date":"2025-09-02","credential":"MD, MPH","enumeration_date":"2017-03-21","first_name":"ALEXANDER","last_name":"CHACON","last_updated":"2025-09-02","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1490123474000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[],"last_updated_epoch":"1756842389000","number":"1043741168","other_names":[],"practiceLocations":[{"address_1":"601 ELMWOOD AVE","address_2":"BOX SURG","address_purpose":"LOCATION","address_type":"DOM","city":"ROCHESTER","country_code":"US","country_name":"United States","postal_code":"146420001","state":"NY","telephone_number":"585-275-2723"}],"taxonomies":[{"code":"208600000X","desc":"Surgery","license":"1023501","primary":true,"state":"MA","taxonomy_group":""},{"code":"390200000X","desc":"Student in an Organized Health Care Education/Training Program","license":null,"primary":false,"state":null,"taxonomy_group":""}]}]}