{"entity":{"entity_id":"87377945-9e53-41c3-b4e5-894f4445a4e1","entity_type":"person","display_name":"BILLY ZOU","state":"MA","status":"active","merged_into":null,"methodology_version":"entity-graph/v1","created_at":"2026-06-11T09:55:52.863395+00:00","updated_at":"2026-06-11T09:55:52.863395+00:00"},"identifiers":[{"id_scheme":"npi","id_value":"1538517172","source_table":"nppes_providers","link_method":"deterministic_pk","link_confidence":1,"source_evidence":{"rule":"D-NPI","source_pk":"1538517172","entity_type_code":"1"},"methodology_version":"entity-graph/v1","valid_from":"2026-06-11T09:55:54.21806+00:00","recorded_at":"2026-06-11T09:55:54.21806+00:00"}],"edges":[],"edges_truncated":false,"methodology_version":"entity-graph/v1"}