{"result_count":1,"results":[{"addresses":[{"address_1":"737 N MICHIGAN AVE STE 700","address_purpose":"MAILING","address_type":"DOM","city":"CHICAGO","country_code":"US","country_name":"United States","fax_number":"312-337-3601","postal_code":"606116662","state":"IL","telephone_number":"312-337-6960"},{"address_1":"737 N MICHIGAN AVE STE 700","address_purpose":"LOCATION","address_type":"DOM","city":"CHICAGO","country_code":"US","country_name":"United States","fax_number":"312-337-3601","postal_code":"606116662","state":"IL","telephone_number":"312-337-6960"}],"basic":{"certification_date":"2022-10-13","credential":"MD","enumeration_date":"2016-06-07","first_name":"PETER","last_name":"OSTERGAARD","last_updated":"2022-10-13","middle_name":"JOHN","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1465332328000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[],"last_updated_epoch":"1665692931000","number":"1790134096","other_names":[],"practiceLocations":[{"address_1":"MASSACHUSETTS GENERAL HOSPITAL","address_2":"55 FRUIT ST.","address_purpose":"LOCATION","address_type":"DOM","city":"BOSTON","country_code":"US","country_name":"United States","postal_code":"02114","state":"MA","telephone_number":"617-726-2942"}],"taxonomies":[{"code":"207X00000X","desc":"Orthopaedic Surgery","license":"267147","primary":false,"state":"MA","taxonomy_group":""},{"code":"207XS0106X","desc":"Orthopaedic Surgery, Hand Surgery","license":"036158766","primary":true,"state":"IL","taxonomy_group":""}]}]}