MedicaidAdministrativeMedium impact
Taxonomy Related Claim Denials
Mississippi Medicaid (DOM)·MS·Claims & Billing
We identified it
Jun 21, 2026
Summary
A new provider search system has been implemented for Mississippi Medicaid to look up taxonomy-related information by Legacy ID, NPI, or MESA ID. This appears to be a tool to help resolve claim denials related to provider taxonomy codes.
Action Required
Immediately: Billing team should bookmark the new Mississippi Medicaid provider search tool at http://dom-azure-app.medicaid.ms.gov/ for resolving taxonomy-related claim denials. Use this system to verify provider information by NPI, Legacy ID, or MESA ID when claims are denied for taxonomy issues.