{"result_count":1,"results":[{"addresses":[{"address_1":"PO BOX 9142","address_2":"MASS GENERAL PHYSICIAN ORGANIZATION","address_purpose":"MAILING","address_type":"DOM","city":"CHARLESTOWN","country_code":"US","country_name":"United States","fax_number":"617-643-2874","postal_code":"021299142","state":"MA","telephone_number":"617-726-9112"},{"address_1":"55 FRUIT STREET","address_2":"PULMONARY AND CRITICAL CARE COX2","address_purpose":"LOCATION","address_type":"DOM","city":"BOSTON","country_code":"US","country_name":"United States","fax_number":"617-643-2874","postal_code":"021142696","state":"MA","telephone_number":"617-726-9112"}],"basic":{"credential":"MD","enumeration_date":"2006-01-13","first_name":"WALTER","last_name":"O'DONNELL","last_updated":"2014-05-05","middle_name":"JOSEPH","name_prefix":"Dr.","name_suffix":"--","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1137164134000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[{"code":"05","desc":"MEDICAID","identifier":"3080650","issuer":null,"state":"MA"},{"code":"01","desc":"Other (non-Medicare)","identifier":"730121","issuer":"Tufts Health Plan","state":"MA"},{"code":"01","desc":"Other (non-Medicare)","identifier":"J13081","issuer":"BCBS MA","state":"MA"}],"last_updated_epoch":"1399298544000","number":"1356320758","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"207RC0200X","desc":"Internal Medicine, Critical Care Medicine","license":"59532","primary":true,"state":"MA","taxonomy_group":""},{"code":"207RP1001X","desc":"Internal Medicine, Pulmonary Disease","license":"59532","primary":false,"state":"MA","taxonomy_group":""}]}]}