{"result_count":1,"results":[{"addresses":[{"address_1":"500 NE MULTNOMAH ST STE 100","address_purpose":"MAILING","address_type":"DOM","city":"PORTLAND","country_code":"US","country_name":"United States","postal_code":"972322099","state":"OR","telephone_number":"800-813-2000"},{"address_1":"3550 N INTERSTATE AVE","address_purpose":"LOCATION","address_type":"DOM","city":"PORTLAND","country_code":"US","country_name":"United States","postal_code":"972271097","state":"OR","telephone_number":"800-813-2000"}],"basic":{"certification_date":"2026-03-04","credential":"M.D.","enumeration_date":"2006-09-20","first_name":"ESTHER","last_name":"HWANG","last_updated":"2026-03-04","sex":"F","sole_proprietor":"NO","status":"A"},"created_epoch":"1158777949000","endpoints":[{"address_1":"700 NE 87th Ave","address_type":"DOM","affiliation":"N","city":"Vancouver","contentOtherDescription":"C-CDA","contentType":"OTHER","contentTypeDescription":"Other","country_code":"US","country_name":"United States","endpoint":"https://careepicwest.kp.org:14430/interconnectprodnwm/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ceq","endpointDescription":"Carequality","endpointType":"SOAP","endpointTypeDescription":"SOAP URL","postal_code":"986641913","state":"WA","use":"HIE","useDescription":"Health Information Exchange (HIE)"}],"enumeration_type":"NPI-1","identifiers":[{"code":"01","desc":"Other (non-Medicare)","identifier":"0243641","issuer":"L & I","state":"WA"},{"code":"05","desc":"MEDICAID","identifier":"227429","issuer":null,"state":"OR"},{"code":"05","desc":"MEDICAID","identifier":"8377558","issuer":null,"state":"WA"}],"last_updated_epoch":"1772643870000","number":"1215035670","other_names":[{"code":"1","credential":"M.D.","first_name":"ESTHER","last_name":"TSOU","type":"Former Name"}],"practiceLocations":[],"taxonomies":[{"code":"207RR0500X","desc":"Internal Medicine, Rheumatology","license":"MD00042736","primary":false,"state":"WA","taxonomy_group":""},{"code":"207RR0500X","desc":"Internal Medicine, Rheumatology","license":"MD24530","primary":true,"state":"OR","taxonomy_group":""},{"code":"207RR0500X","desc":"Internal Medicine, Rheumatology","license":"MD226040","primary":false,"state":"OR","taxonomy_group":""}]}]}