{"result_count":1,"results":[{"addresses":[{"address_1":"1635 N GEORGE MASON DR STE 310","address_purpose":"LOCATION","address_type":"DOM","city":"ARLINGTON","country_code":"US","country_name":"United States","fax_number":"703-810-5428","postal_code":"222053616","state":"VA","telephone_number":"703-810-5215"},{"address_1":"PO BOX 75868","address_purpose":"MAILING","address_type":"DOM","city":"BALTIMORE","country_code":"US","country_name":"United States","postal_code":"212755868","state":"MD","telephone_number":"866-706-7846"}],"basic":{"certification_date":"2020-10-26","credential":"M.D., M.P.H.","enumeration_date":"2013-04-23","first_name":"WILLIAM","last_name":"PETERSEN","last_updated":"2020-10-26","middle_name":"PATRICK","name_prefix":"Dr.","name_suffix":"Jr.","sex":"M","sole_proprietor":"YES","status":"A"},"created_epoch":"1366732971000","endpoints":[{"address_1":"1635 N George Mason Dr Ste 310","address_type":"DOM","affiliation":"N","city":"Arlington","contentTypeDescription":"","country_code":"US","country_name":"United States","endpoint":"wpetersen19272@direct.orthovirginia.com","endpointType":"DIRECT","endpointTypeDescription":"Direct Messaging Address","postal_code":"222053616","state":"VA","use":"OTHER","useDescription":"Other","useOtherDescription":"secure messaging"}],"enumeration_type":"NPI-1","identifiers":[],"last_updated_epoch":"1603734234000","number":"1003250887","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":"207X00000X","desc":"Orthopaedic Surgery","license":"0101266295","primary":true,"state":"VA","taxonomy_group":""}]}]}