{"result_count":1,"results":[{"addresses":[{"address_1":"PO BOX 3755","address_purpose":"MAILING","address_type":"DOM","city":"OMAHA","country_code":"US","country_name":"United States","fax_number":"402-354-2155","postal_code":"681030755","state":"NE","telephone_number":"402-354-2100"},{"address_1":"1120 N 103RD PLZ STE 100","address_purpose":"LOCATION","address_type":"DOM","city":"OMAHA","country_code":"US","country_name":"United States","fax_number":"402-391-5053","postal_code":"681141119","state":"NE","telephone_number":"402-391-5055"}],"basic":{"certification_date":"2025-09-18","credential":"MD","enumeration_date":"2006-10-31","first_name":"ERIC","last_name":"VAN DE GRAAFF","last_updated":"2025-09-18","middle_name":"J","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1162342219000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[{"code":"01","desc":"Other (non-Medicare)","identifier":"05581066","issuer":"Medicaid","state":"IA"},{"code":"01","desc":"Other (non-Medicare)","identifier":"200262110A","issuer":"Medicaid","state":"KS"},{"code":"05","desc":"MEDICAID","identifier":"47070592313","issuer":null,"state":"NE"},{"code":"01","desc":"Other (non-Medicare)","identifier":"I12883","issuer":"Medicare","state":"IA"}],"last_updated_epoch":"1758211418000","number":"1790861920","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"207RC0000X","desc":"Internal Medicine, Cardiovascular Disease","license":"35616","primary":false,"state":"IA","taxonomy_group":""},{"code":"207RC0000X","desc":"Internal Medicine, Cardiovascular Disease","license":"22853","primary":true,"state":"NE","taxonomy_group":""}]}]}