{"result_count":1,"results":[{"addresses":[{"address_1":"675 W NORTH AVE STE 209","address_purpose":"LOCATION","address_type":"DOM","city":"MELROSE PARK","country_code":"US","country_name":"United States","fax_number":"708-338-1790","postal_code":"601601630","state":"IL","telephone_number":"312-654-2744"},{"address_1":"210 S DESPLAINES ST","address_purpose":"MAILING","address_type":"DOM","city":"CHICAGO","country_code":"US","country_name":"United States","fax_number":"312-654-9930","postal_code":"606615500","state":"IL","telephone_number":"312-654-2700"}],"basic":{"certification_date":"2025-07-28","credential":"DO","enumeration_date":"2005-12-21","first_name":"CONSTANTINE","last_name":"DELIS","last_updated":"2025-07-28","middle_name":"GEOR","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1135196089000","endpoints":[{"address_1":"1111 Superior St","address_2":"Suite 203","address_type":"DOM","affiliation":"N","city":"Melrose Park","contentTypeDescription":"","country_code":"US","country_name":"United States","endpoint":"https://EpicFHIR.aurora.org","endpointType":"FHIR","endpointTypeDescription":"FHIR URL","postal_code":"601604138","state":"IL","useDescription":""}],"enumeration_type":"NPI-1","identifiers":[{"code":"01","desc":"Other (non-Medicare)","identifier":"01615184","issuer":"BCBS","state":"IL"},{"code":"01","desc":"Other (non-Medicare)","identifier":"01621679","issuer":"bcbs of il","state":"IL"},{"code":"05","desc":"MEDICAID","identifier":"036092711","issuer":null,"state":"IL"}],"last_updated_epoch":"1753706049000","number":"1003892043","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"207RN0300X","desc":"Internal Medicine, Nephrology","license":"036092711","primary":true,"state":"IL","taxonomy_group":""}]}]}