# Medicaid Illinois Payer ID

- **Payer ID:** IL621
- **Other payer IDs:** 1563, 2488, 10102, IL622, ILMCD, ILMCI, SKIL0, VWMIM
- **Coverage types:** Dental, Medical
- **Programs:** Medicaid
- **Where it operates:** Illinois
- **Payer website:** https://hfs.illinois.gov

## Other names

- Illinois Department of Healthcare and Family Services
- Illinois Medicaid
- Medicaid Illinois IDPA

## What You Can Check With Medicaid Illinois

- Eligibility and benefits for any service type Medicaid Illinois returns
- Instant results, 24/7, with no phone calls or portals
- Claim status after you bill

What a check returns is up to the payer: some return more detail than others.

Payer details updated Oct 18, 2026. Payers change IDs and plan names; when in doubt, use the ID on the member's card.

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Canonical: https://www.verifytx.com/payers/medicaid-illinois/