{"result_count":1,"results":[{"addresses":[{"address_1":"DEPT 34929","address_2":"P.O. BOX 39000","address_purpose":"MAILING","address_type":"DOM","city":"SAN FRANCISCO","country_code":"US","country_name":"United States","fax_number":"925-952-2850","postal_code":"941390001","state":"CA","telephone_number":"925-952-2828"},{"address_1":"1450 TREAT BLVD","address_2":"SUITE 220B","address_purpose":"LOCATION","address_type":"DOM","city":"WALNUT CREEK","country_code":"US","country_name":"United States","fax_number":"925-937-0630","postal_code":"945972168","state":"CA","telephone_number":"925-937-1770"}],"basic":{"credential":"M.D.","enumeration_date":"2007-02-26","first_name":"RICHARD","last_name":"CHANG","last_updated":"2015-08-11","middle_name":"MINYOUNG","name_prefix":"Dr.","name_suffix":"--","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1172521617000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[{"code":"01","desc":"Other (non-Medicare)","identifier":"P01474562","issuer":"Railroad Medicare","state":"CA"}],"last_updated_epoch":"1439329747000","number":"1275669954","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"207R00000X","desc":"Internal Medicine","license":"A83588","primary":false,"state":"CA","taxonomy_group":""},{"code":"207RC0000X","desc":"Internal Medicine, Cardiovascular Disease","license":"A83588","primary":false,"state":"CA","taxonomy_group":""},{"code":"207RI0011X","desc":"Internal Medicine, Interventional Cardiology","license":"A83588","primary":true,"state":"CA","taxonomy_group":""}]}]}