diff --git a/lib/rules/use-isnan.js b/lib/rules/use-isnan.js
index 0c7e888c976..d30aa80dc2d 100644
--- a/lib/rules/use-isnan.js
+++ b/lib/rules/use-isnan.js
@@ -21,7 +21,10 @@ const astUtils = require("./utils/ast-utils");
  * @returns {boolean} `true` if the node is 'NaN' identifier.
  */
 function isNaNIdentifier(node) {
-    return Boolean(node) && node.type === "Identifier" && node.name === "NaN";
+    return Boolean(node) && (node.type === "Identifier" && node.name === "NaN" ||
+        (node.type === "MemberExpression" &&
+        node.object.type === "Identifier" && node.object.name === "Number" &&
+        node.property.type === "Identifier" && node.property.name === "NaN"));
 }
 
 //------------------------------------------------------------------------------