Eligibility Processing Error: Invalid Participant Identification / Credentials not associated with user

Incident Report for AdvancedMD

Resolved

This incident has been resolved.
Posted Apr 08, 2026 - 15:05 MDT

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Apr 08, 2026 - 14:47 MDT

Update

We understand the disruption this issue is causing and sincerely apologize. We have identified the root cause of the eligibility issue resulting in an "Invalid Participant Identification / Credentials not associated with user" error and are actively validating a fix. Our next update will be provided no later than 2:30 PM MT.
Posted Apr 08, 2026 - 12:20 MDT

Identified

We have identified the root cause of the eligibility issue resulting in an "Invalid Participant Identification / Credentials not associated with user" error and are actively working to implement a solution. Our next update will be provided by 1:00 PM MT.
Posted Apr 08, 2026 - 09:03 MDT

Update

We continue to work to resolve the eligibility issue resulting in an "Invalid Participant Identification / Credentials not associated with user" error for some clients. Our engineering team is collaborating with our clearinghouse partner to assist in the resolution. Our next update will be provided by 9:00 AM MT.
Posted Apr 07, 2026 - 22:05 MDT

Investigating

We are continuing to work to resolve the eligibility error causing an "Invalid Participant Identification / Credentials not associated with user" error for some clients. Our engineering team is working to resolve this as quickly as possible, and we are collaborating with our clearinghouse partner to assist in the resolution. We will continue to provide updates as new information becomes available.
Posted Apr 07, 2026 - 19:36 MDT

Update

We are continuing to work on a fix for this issue.
Posted Apr 07, 2026 - 17:29 MDT

Identified

The issue has been identified and a fix is being implemented.
Posted Apr 07, 2026 - 14:19 MDT

Investigating

We are actively investigating an intermittent issue where some eligibility responses are returning an "Invalid Participant Identification / Credentials not associated with user" error.

Our technical teams are engaged and working to identify the root cause and restore full functionality. Incident Managers will continue to provide updates here as additional information becomes
Posted Apr 07, 2026 - 12:59 MDT
This incident affected: Practice Management (PM) - Change Healthcare Integrations (Eligibility).