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Illinois · IL

Billing, marketing, staffing and software for Illinois practices

RCM Finder supports medical practices in Illinois remotely, with end to end revenue cycle management, healthcare digital marketing, virtual medical assistance and a practice management system. Below are the Medicare and Medicaid details that apply in Illinois, with sources.

Illinois and major cities
ChicagoSpringfieldPeoriaRockfordNapervilleBack to the full map

Illinois billing details

Each row shows its source and when we checked it. If a source changes, we update the row.

TopicWhat applies in IllinoisSourceChecked
Medicare contractorNational Government Services (A/B MAC J6)CMS, A/B MAC Jurisdiction J6Oct 20, 2026
Medicaid agencyDepartment of Healthcare and Family ServicesOfficial provider pageOct 20, 2026
Provider enrollment and billingEnrollment, manuals and billing guidance for Illinois Medicaid providersOpen the provider pageOct 20, 2026
Medicaid fee schedulePublished fee schedules for Illinois MedicaidOpen the fee schedule pageOct 20, 2026
Commercial prompt paymentIllinois requires insurers, HMOs, managed care plans, PPOs and third-party administrators to pay a claim within 30 days of receiving written proof of loss, with 9% yearly interest running from day 30.
215 ILCS 5/368a(c)
ilga.govOct 20, 2026
Medicaid timely filingNon-institutional fee-for-service Medicaid claims must be filed within 180 days of the date of service, with exceptions such as Medicare crossovers and third-party liability.hfs.illinois.govOct 20, 2026
Medicaid telehealthThe state's Medicaid rule on telehealth (89 Ill. Adm. Code 140.403) covers which remote services qualify, provider and site requirements, reimbursement, recordkeeping, and temporary emergency flexibilities.my.ilga.govOct 20, 2026

Major cities in Illinois

We support practices in these cities and everywhere else in Illinois, remotely.

ChicagoSpringfieldPeoriaRockfordNaperville
How we work

Remote by design

No office visit needed

We support practices in every state remotely, so you do not need a local office to work with us.

Rules checked for your state

Each state page lists the Medicare contractor and Medicaid details for that state, with sources and the date we last checked.

One service or all four

Begin where the gap is biggest, whether that is payments, new patients, front-desk capacity or your software.

Illinois practice questions

Who processes Medicare claims in Illinois?

National Government Services is the Medicare Administrative Contractor (MAC) that processes Part A and Part B claims in Illinois (A/B MAC J6), according to CMS.

Which agency runs Medicaid in Illinois?

Department of Healthcare and Family Services runs Medicaid in Illinois. The official state pages linked in the table above cover provider enrollment and billing.

How quickly must insurers pay a clean claim in Illinois?

Illinois requires insurers, HMOs, managed care plans, PPOs and third-party administrators to pay a claim within 30 days of receiving written proof of loss, with 9% yearly interest running from day 30.

How long do I have to file a Medicaid claim in Illinois?

Non-institutional fee-for-service Medicaid claims must be filed within 180 days of the date of service, with exceptions such as Medicare crossovers and third-party liability.

Do you work with practices outside the largest cities in Illinois?

Yes. We work remotely, so a practice in a small town is supported the same way as a practice in Chicago.

Which service should a practice in Illinois start with?

Start where the problem is biggest: End to End RCM if payments are slow or denials are high, Healthcare Digital Marketing if your schedule has gaps, Virtual Medical Assistance if your front desk is stretched, or a Practice Management System if your tools are scattered. Tell us about your practice and we will suggest a first step.

What should I send first?

A short description of your practice, your specialty, your main payers and the biggest problem you want fixed. Our form asks for the basics.

Free consultation

Ask about your Illinois practice

We will reply with the details that apply to Illinois and a suggested first step.

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