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Beware of scams. Illinois will never ask you for money to renew or apply for Medicaid. Report scams to the OIG fraud report website or the Medicaid fraud hotline at 1-844-453-7283/1-844-ILFRAUD. 

Transparency Law Data

Under Public Act 96-0941 (pdf) (html), Healthcare and Family Services (HFS) must provide information on the medical services that Medicaid reimburses. This data release is intended to provide easily accessible, understandable and useable data to all interested people, including researchers, healthcare providers, and individuals. HFS hopes to provide a way for evidence-based increases in the quality of Medicaid services, as well as reductions in the waste and fraud in the benefits system. Identical data is published on

HFS welcomes your feedback on this data release.

Provider-Level Data

Under the law, HFS must disclose the names of providers and vendors, their county, and the number of patients they serve; the payments, average costs and adjustments of the bills they submit to HFS; and the total amount of money they have received from HFS. We voluntarily provide additional information on the types of service Medicaid providers gave to recipients. 

2020 Provider-Level Data

2019 Provider-Level Data

2018 Provider-Level Data

2017 Provider-Level Data

2016 Provider-Level Data

2015 Provider-Level Data

2014 Provider-Level Data

2013 Provider-Level Data

Program Enrollment and Demographics Data

To comply with Transparency law, HFS currently provides five-year enrollment history for each county in Illinois. Additionally, we provide demographic summary information.

2021 Program Enrollment and Demographic Data

2020 Program Enrollment and Demographic Data

2019 Program Enrollment and Demographic Data

2018 Program Enrollment and Demographic Data

2017 Program Enrollment and Demographic Data

2016 Program Enrollment and Demographics Data

2015 Program Enrollment and Demographics Data

2014 Program Enrollment and Demographics Data

Affordable Care Act Enrollment Data


This comprehensive glossary is intended to provide more details on the data releases, Medicaid, and medical care recipients may have received.


HFS has uploaded this data to, where many state governmental agencies post data sets related to their work. Please visit this site to download the Transparency data sets in .pdf, .csv, .txt, and .json formats.


Transparency law requires HFS to periodically collect comments from the individuals who access the data presented here. To participate, please select the Survey link.