{"entity":{"entity_id":"91b19a4a-0909-4d93-92d2-f8d69bdfd91d","entity_type":"person","display_name":"NIELS NIELSEN","state":"WA","status":"active","merged_into":null,"methodology_version":"entity-graph/v1","created_at":"2026-06-11T09:30:37.904243+00:00","updated_at":"2026-06-11T09:30:37.904243+00:00"},"identifiers":[{"id_scheme":"npi","id_value":"1497969893","source_table":"nppes_providers","link_method":"deterministic_pk","link_confidence":1,"source_evidence":{"rule":"D-NPI","source_pk":"1497969893","entity_type_code":"1"},"methodology_version":"entity-graph/v1","valid_from":"2026-06-11T09:30:39.256643+00:00","recorded_at":"2026-06-11T09:30:39.256643+00:00"}],"edges":[],"edges_truncated":false,"methodology_version":"entity-graph/v1"}