{"result_count":1,"results":[{"addresses":[{"address_1":"44 BINNEY STREET","address_2":"DANA 630 DFCI","address_purpose":"MAILING","address_type":"DOM","city":"BOSTON","country_code":"US","country_name":"United States","fax_number":"617-632-2085","postal_code":"021156084","state":"MA","telephone_number":"617-632-4916"},{"address_1":"44 BINNEY STREET","address_2":"DANA 630 DFCI","address_purpose":"LOCATION","address_type":"DOM","city":"BOSTON","country_code":"US","country_name":"United States","fax_number":"617-632-2085","postal_code":"021156084","state":"MA","telephone_number":"617-632-4916"}],"basic":{"credential":"MD PhD","enumeration_date":"2006-03-07","first_name":"DAVID","last_name":"FISHER","last_updated":"2025-09-11","middle_name":"E","name_prefix":"--","name_suffix":"--","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1141746712000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[{"code":"01","desc":"Other (non-Medicare)","identifier":"000000029358","issuer":"BMC Healthnet","state":null},{"code":"01","desc":"Other (non-Medicare)","identifier":"0407274","issuer":"United Health Care","state":null},{"code":"01","desc":"Other (non-Medicare)","identifier":"057683","issuer":"Tufts","state":null},{"code":"01","desc":"Other (non-Medicare)","identifier":"3022609","issuer":"MassHealth","state":"MA"},{"code":"01","desc":"Other (non-Medicare)","identifier":"3128523","issuer":"Aetna US Healthcare","state":null},{"code":"01","desc":"Other (non-Medicare)","identifier":"65535","issuer":"Fallon Community Health P","state":null},{"code":"01","desc":"Other (non-Medicare)","identifier":"6613433","issuer":"Cigna","state":null},{"code":"01","desc":"Other (non-Medicare)","identifier":"B77089DF","issuer":"HPHC","state":null},{"code":"01","desc":"Other (non-Medicare)","identifier":"J06643","issuer":"Massachusetts BCBS","state":null}],"last_updated_epoch":"1757623214000","number":"1598732752","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"207RX0202X","desc":"Internal Medicine, Medical Oncology","license":"57683","primary":true,"state":"MA","taxonomy_group":""},{"code":"2080P0207X","desc":"Pediatrics, Pediatric Hematology-Oncology","license":"57683","primary":false,"state":"MA","taxonomy_group":""}]}]}