Yes, you are able to add the new provider to the preferred provider as long as your application is not in the processing, closed, or enrolled status. To do so you will have to update your application. Below are instructions on how to add a new provider to the preferred provider.
Log in to your MyCareConnect account and open your application. Click on Update to make changes to your application.
Scroll down to the Criteria section of your application. This will be where you can add a new provider to your preferred providers.
After you have added your new provider, be sure to click Save to confirm your new changes.