{"result_count":1,"results":[{"addresses":[{"address_1":"75 FRANCIS ST","address_purpose":"LOCATION","address_type":"DOM","city":"BOSTON","country_code":"US","country_name":"United States","postal_code":"021156106","state":"MA","telephone_number":"617-732-5500"},{"address_1":"75 FRANCIS ST","address_purpose":"MAILING","address_type":"DOM","city":"BOSTON","country_code":"US","country_name":"United States","postal_code":"021156106","state":"MA","telephone_number":"617-732-5500"}],"basic":{"certification_date":"2025-06-03","credential":"MD","enumeration_date":"2019-03-18","first_name":"GERALD","last_name":"HEFFERMAN","last_updated":"2025-06-03","middle_name":"MATTHEW","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1552937825000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[],"last_updated_epoch":"1748970511000","number":"1073072161","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"390200000X","desc":"Student in an Organized Health Care Education/Training Program","license":null,"primary":false,"state":null,"taxonomy_group":""},{"code":"2085R0202X","desc":"Radiology, Diagnostic Radiology","license":"290467","primary":true,"state":"MA","taxonomy_group":""}]}]}