{"result_count":1,"results":[{"addresses":[{"address_1":"615 W MACPHAIL RD","address_2":"SUITE 210","address_purpose":"LOCATION","address_type":"DOM","city":"BEL AIR","country_code":"US","country_name":"United States","fax_number":"443-643-2088","postal_code":"210144309","state":"MD","telephone_number":"443-643-2082"},{"address_1":"615 W MACPHAIL RD","address_2":"SUITE 210","address_purpose":"MAILING","address_type":"DOM","city":"BEL AIR","country_code":"US","country_name":"United States","fax_number":"443-643-2088","postal_code":"210144309","state":"MD","telephone_number":"443-643-2082"}],"basic":{"credential":"M.D.","enumeration_date":"2005-06-09","first_name":"CHARLES","last_name":"HARTJEN","last_updated":"2017-01-09","middle_name":"A.","name_prefix":"Dr.","name_suffix":"--","sex":"M","sole_proprietor":"YES","status":"A"},"created_epoch":"1118341811000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[{"code":"01","desc":"Other (non-Medicare)","identifier":"0285376014","issuer":"Cigna","state":"MD"},{"code":"01","desc":"Other (non-Medicare)","identifier":"1053594010","issuer":"NPI TYPE ll","state":"MD"},{"code":"01","desc":"Other (non-Medicare)","identifier":"1619038510","issuer":"NPI TYPE II","state":"MD"},{"code":"01","desc":"Other (non-Medicare)","identifier":"3615682","issuer":"Aetna HMO","state":"MD"},{"code":"05","desc":"MEDICAID","identifier":"407041100","issuer":null,"state":"MD"},{"code":"01","desc":"Other (non-Medicare)","identifier":"4330577","issuer":"Aetna PPO","state":"MD"},{"code":"01","desc":"Other (non-Medicare)","identifier":"523068","issuer":"Mamsi","state":"MD"},{"code":"01","desc":"Other (non-Medicare)","identifier":"839A","issuer":"Carefirst BCBS","state":"MD"},{"code":"01","desc":"Other (non-Medicare)","identifier":"J7980001","issuer":"Blue Choice/Federal BCBS","state":"MD"}],"last_updated_epoch":"1483985660000","number":"1063416816","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"207XS0117X","desc":"Orthopaedic Surgery, Orthopaedic Surgery of the Spine","license":"D33378","primary":true,"state":"MD","taxonomy_group":""}]}]}