Você tem que fazer
<script type="text/javascript">
jQuery( document ).ready(function($) {
var redirect_url = 'example.com/healing/';
var current_url = window.location.href;
//please check condition
if (current_url.indexOf('?healing=') > 0){
if(!current_url.match(redirect_url)){
window.location.replace(redirect_url);
}
return false;
}
});
</script>