Is it possible not to load theme on a specific page in wordpress?

Why not create a template file that gets loaded by the dashboard page? It is possible to create a template just like a theme template that actually lives in the plugin itself. That way, you can still call wp_head() and wp_footer() and have full access to WP functionality, but not actually pull in whatever theme the site is using.

Here’s an answer that shows how to do it: How to add custom template in plugin?