MedicaidAdministrativeMedium impact
Attention All Providers: General Claims Submission Information
Mississippi Medicaid (DOM)·MS·Prior Authorization
We identified it
Jun 21, 2026
Summary
Mississippi Medicaid has provided instructions for submitting paper attachments for electronic claims that require additional documentation. Providers must mail completed attachment forms with supporting documents to Gainwell Technologies when their electronic claims include a PWK06 Attachment Control Number segment.
Action Required
Immediately: Billing team must ensure that when submitting electronic claims with PWK06 Attachment Control Number segments, they complete the Claim Attachment Form and mail it with required attachments (EOB, Sterilization Consent Forms, etc.) to Gainwell Technologies, PO Box 23076, Jackson, MS 39225. Update workflow to track which claims need paper attachments to ensure proper pairing with electronic submissions.