{"result_count":1,"results":[{"addresses":[{"address_1":"6 SAINT PAUL ST","address_purpose":"MAILING","address_type":"DOM","city":"BROOKLINE","country_code":"US","country_name":"United States","postal_code":"024466502","state":"MA","telephone_number":"617-879-1574"},{"address_1":"19 MATTHIESSEN PARK S","address_purpose":"LOCATION","address_type":"DOM","city":"IRVINGTON","country_code":"US","country_name":"United States","postal_code":"105331507","state":"NY","telephone_number":"617-953-9329"}],"basic":{"certification_date":"2026-05-02","credential":"MD PhD","enumeration_date":"2006-03-10","first_name":"LEONARDO","last_name":"SIRULNIK","last_updated":"2026-05-02","middle_name":"ANDRES","name_prefix":"Dr.","name_suffix":"--","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1141993795000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[{"code":"01","desc":"Other (non-Medicare)","identifier":"2025906","issuer":"MassHealth","state":null},{"code":"01","desc":"Other (non-Medicare)","identifier":"219615","issuer":"Tufts","state":null},{"code":"01","desc":"Other (non-Medicare)","identifier":"3364563","issuer":"Aetna US Healthcare","state":null},{"code":"01","desc":"Other (non-Medicare)","identifier":"3600312","issuer":"United Health Care","state":null},{"code":"01","desc":"Other (non-Medicare)","identifier":"4107454","issuer":"CIGNA","state":null},{"code":"01","desc":"Other (non-Medicare)","identifier":"80313","issuer":"Fallon Community Health P","state":null},{"code":"01","desc":"Other (non-Medicare)","identifier":"AA2027","issuer":"HPHC","state":null}],"last_updated_epoch":"1777740463000","number":"1104894518","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"207RH0003X","desc":"Internal Medicine, Hematology & Oncology","license":"287353","primary":true,"state":"NY","taxonomy_group":""}]}]}