MedicaidAdministrativeMedium impact
Health First Colorado (Colorado's Medicaid Program) News and Updates (B2100457 - 01/2021)
Colorado Medicaid·CO·Provider Bulletin
Effective date
Jan 1, 2021
We identified it
Jun 20, 2026
Summary
Colorado Medicaid (Health First Colorado) provider enrollment fee increased to $599 for 2021, COVID-19 vaccine administration is now covered, and providers are prohibited from billing members for covered service denials or commercial insurance payment differences.
Action Required
Immediately: Stop billing Health First Colorado members for claim denials on covered services, timely filing denials, or billing errors. Do not bill members for differences between commercial insurance payments and billed charges when Medicaid makes no additional payment. Billing team must update workflows to ensure members are never charged copays or deductibles from commercial insurance when Medicaid is secondary payer.