Skip left navigation

New User Registration

In order to access secure content on or to access Link self-service tools to submit claims, verify eligibility or to check for prior authorization requirements, you first need to have an Optum ID that has been connected to the Tax ID of your practice, facility or organization. 

Video: Accessing Link via

Need an Optum ID? Please register to create your Optum ID.

Have an Optum ID, but need to connect a Tax ID? To start the process, sign in with your Optum ID on and click "No" when asked if you received a registration letter that included a security code. From that point, complete the required fields for the form as prompted. For help see the Accessing Link - Quick Reference Guide.

Need help accessing certain applications on Link? If you are unable to access specific Link Self-Service application using your Tax ID connected Optum ID login, please contact your organization’s practice administrator – they are the only ones able to manage and make changes to account access. 


Provider holding tablet Provider holding tablet