How to become a Medicaid provider in Illinois
To bill Illinois Medicaid, enroll through IMPACT (Illinois Medicaid Program Advanced Cloud Technology) provider enrollment system, run by None named — HFS runs provider enrollment itself through IMPACT Provider Enrollment Services. The process has 4 steps, listed below with the documents the state asks for.
- Enrollment portal
- IMPACT (Illinois Medicaid Program Advanced Cloud Technology) provider enrollment system
- Steps
- 4
- Documents
- 6
- Plans listed
- 6
On this page
Illinois Medicaid enrollment at a glance
To bill Illinois Medicaid, enroll through IMPACT (Illinois Medicaid Program Advanced Cloud Technology) provider enrollment system, run by None named — HFS runs provider enrollment itself through IMPACT Provider Enrollment Services. The process has 4 steps, listed below with the documents the state asks for.
- Program
- Illinois Medical Assistance Program (Department of Healthcare and Family Services)
- Enrollment portal
- IMPACT (Illinois Medicaid Program Advanced Cloud Technology) provider enrollment system
- Fiscal agent
- None named — HFS runs provider enrollment itself through IMPACT Provider Enrollment Services
- Application fee
- Federal rule (42 CFR 455.460): the state must collect the CMS application fee from institutional providers that are newly enrolling or re-enrolling; individual physicians and non-physician practitioners are exempt, as are providers already enrolled in (or that already paid the fee to) Medicare or another state's Medicaid/CHIP. CMS set the fee at $750 for calendar year 2026.
- Fingerprinting
- IMPACT uses CMS's risk levels and sets its own for provider types CMS does not classify; high-risk providers must submit fingerprints and pass criminal background checks before enrollment. DMEPOS suppliers are high risk and must be licensed (or exempt) and accredited by a recognized body. Federal rule (42 CFR 455.434, 455.450(c)): providers the state places in the 'high' categorical risk level, and anyone owning 5% or more of such a provider, must submit fingerprints for a criminal background check.
- Site visit
- IMPACT does onsite visits before and after enrollment for moderate- and high-risk providers, including at revalidation. Federal rule (42 CFR 455.432, 455.450(b)-(c)): the state must do site visits before and after enrollment for providers in the 'moderate' or 'high' risk levels, and any enrolled provider must allow unannounced on-site inspections.
- Revalidation
- HFS restarted revalidation in IMPACT in rolling stages from September 3, 2024; providers revalidate through the 'Provider Revalidation List' in IMPACT and may be asked for more documents. Federal rule (42 CFR 455.414): every enrolled provider must be revalidated at least once every 5 years.
- Provider manual
- Provider manual
Steps
- Get an NPI and confirm the IMPACT provider type and specialty
- Enroll in IMPACT (organization, group, individual or atypical) and upload all documents as PDFs
- Complete risk-based screening: site visits for moderate/high risk, fingerprints for high risk
- After enrollment, contract with each HealthChoice Illinois MCO you want to join and send the standardized IAMHP provider roster to each MCO
Documents the state asks for
Joining managed-care plan networks
- Credentialing
- HFS tells new providers to 'credential through IMPACT' (state enrollment) and then contract with each HealthChoice Illinois plan through the plan's provider services. By law (305 ILCS 5/5-30.1(g-10)) every MCO uses one standardized provider enrollment roster, kept on the Illinois Association of Medicaid Health Plans site and updated February 1, 2026. Centralized credentialing: partly — IMPACT enrollment and a common roster are shared across plans, but contracts are signed plan by plan.
- Plans (state list)
- Aetna Better Health of Illinois
- Blue Cross Community Health Plans
- Meridian Health Plan
- Molina Healthcare
- CountyCare Health Plan (Cook County only)
- YouthCare (youth in care / former youth in care)
Frequently asked questions
How do I become a Medicaid provider in Illinois?
To bill Illinois Medicaid, enroll through IMPACT (Illinois Medicaid Program Advanced Cloud Technology) provider enrollment system, run by None named — HFS runs provider enrollment itself through IMPACT Provider Enrollment Services. The process has 4 steps, listed below with the documents the state asks for.
Is there an application fee to enroll in Illinois Medicaid?
Federal rule (42 CFR 455.460): the state must collect the CMS application fee from institutional providers that are newly enrolling or re-enrolling; individual physicians and non-physician practitioners are exempt, as are providers already enrolled in (or that already paid the fee to) Medicare or another state's Medicaid/CHIP. CMS set the fee at $750 for calendar year 2026.
How often must Illinois Medicaid providers revalidate?
HFS restarted revalidation in IMPACT in rolling stages from September 3, 2024; providers revalidate through the 'Provider Revalidation List' in IMPACT and may be asked for more documents. Federal rule (42 CFR 455.414): every enrolled provider must be revalidated at least once every 5 years.