Practices in Illinois pay 4-8% of collections for billing, with no long-term contract, and can add credentialing. HealthChoice Illinois, Medicare and commercial billing for Chicago, Springfield and statewide.
Illinois Medicaid runs through HealthChoice Illinois managed care, with plans including Aetna Better Health of Illinois, Blue Cross Community Health Plans, CountyCare (Cook County), Meridian and Molina. Humana joins the program on 1 January 2027 under the state's new contracts.
Chicago's academic medical centers, including Northwestern, the University of Chicago and Rush, bring teaching-hospital and resident-supervision billing rules that smaller Illinois markets do not face. Medtransic bills HealthChoice Illinois plans, Medicare and commercial payers such as Blue Cross Blue Shield of Illinois, from Cook County to Springfield and downstate.
Why Medical Groups in Illinois Partner With Us
Illinois Payer Billing
We bill HealthChoice Illinois as well as the commercial insurers common in Illinois
Coders Matched to Your Specialty
Coding done by specialty-trained staff familiar with your type of practice
Dedicated Account Manager
Your account has one owner on our side, from the first week onward
No Long-Term Contract
Our fee is 4-8% of collections, and you are not locked into a long-term contract
What Physicians in Illinois Get From Our Billing
Illinois Medicaid Billing
Billing for Illinois Medicaid and the HealthChoice Illinois managed care plans
HIPAA Compliant
HIPAA compliant handling of patient data, with a dedicated account manager for each practice
The Chicago area is a dense, competitive healthcare market anchored by Northwestern Medicine, Rush University Medical Center, Advocate Health and UChicago Medicine. A large Medicaid managed care population, served by plans such as Meridian, Molina and CountyCare, sits alongside strong commercial coverage.
Cook County Health's public system and the region's academic medical centers shape referral patterns for independent practices.
Specialties: Cardiology, oncology, orthopedics, neurology, pulmonology, behavioral health
Central & Southern Illinois: Springfield & Beyond
Central and Southern Illinois is served by HSHS St. John's Hospital, Memorial Health and SIU Medicine, across a mostly rural area. Practices here bill a smaller set of payers than Chicago practices do.
State employee health plans are a large part of the local payer mix, and rural health clinic billing rules apply to many providers.
Specialties: Family medicine, internal medicine, general surgery, rural health, geriatrics
Rockford & Northern Illinois
Rockford is northern Illinois's healthcare hub, anchored by Mercyhealth and UW Health Rockford. Manufacturing employers bring workers' compensation claims alongside commercial and Medicaid billing.
Some patients cross the Wisconsin line for care, so practices sometimes bill Wisconsin commercial plans as well.
Specialties: Family medicine, orthopedics, cardiology, behavioral health, general surgery
Frequently Asked Questions About Medical Billing in Illinois
What does Illinois prompt-pay law require?
215 ILCS 5/368a requires insurers to pay within 30 days of receiving a clean claim. After that, interest accrues at 9% a year without a separate written demand.
How does HealthChoice Illinois Medicaid managed care work for billing?
HealthChoice Illinois plans are Aetna Better Health of Illinois, Blue Cross Community Health Plans, CountyCare (Cook County), Meridian and Molina, and Humana joins on 1 January 2027. Each plan has its own prior authorization requirements, enrollment process and fee schedule, and Illinois Medicaid requires claims within 180 days of the date of service.
What surprise billing protections exist in Illinois?
Illinois bars balance billing for emergency services and for certain out-of-network care at in-network facilities (215 ILCS 5/356z.3a). Payment disputes between providers and insurers go to binding arbitration.
How does rural health clinic billing work in Illinois?
Rural Health Clinics are paid under their own Medicare and Medicaid payment methods rather than the standard fee schedule, and they file a cost report each year. Claims still need to go out promptly while the cost report is reconciled.
What are the workers' compensation billing requirements in Illinois?
Illinois workers' compensation bills follow the Illinois Workers' Compensation Commission fee schedule. Claims go to the employer's workers' compensation insurer with documentation of the work-related injury.
What filing deadlines apply to insurance claims in Illinois?
Illinois Medicaid requires claims within 180 days of the date of service. A Medicare claim filed more than 12 months after the service date is denied (42 CFR 424.44). Commercial plans and the HealthChoice Illinois plans set their own limits in their provider contracts.
Nearby States We Also Serve
Beyond Illinois, Medtransic serves practices in neighboring states as well:
Get Started with Medical Billing Services in Illinois
Want a second look at your Illinois practice's billing? Contact Medtransic for a free, no-obligation practice assessment. Call us at 888-777-0860 or submit a contact form, and let us handle the billing so you can focus on your patients.