Traditional MedicareAdministrativeHigh impact
Medicaid Provider Numbers Required on Electronic Medicare Crossover Claims
Wisconsin Medicaid (ForwardHealth)·WI·Medical Policy
Effective date
Jul 1, 2006
We identified it
Jun 20, 2026
Summary
Wisconsin Medicaid now requires providers to include their Medicaid provider numbers on electronic Medicare claims for proper crossover processing. Claims submitted without Medicaid provider numbers may be denied or process incorrectly.
Action Required
Immediately: Billing team must update electronic Medicare claim submission process to include Medicaid provider numbers in the appropriate fields (837 Professional loop 2000B/2010AA for billing provider number and loop 2320/2330E for rendering provider number; 837 Institutional loop 2000B/2010AA for billing provider number). Failure to include these numbers will result in claim denials or processing errors for Medicare crossover claims.