Question 1

How often does UnitedHealthcare of Illinois, Inc. deny claims?

Accepted Answer

UnitedHealthcare of Illinois, Inc. files claim denial data with CMS under the Transparency in Coverage rule; see the charts above for the latest figures.

Question 2

Do appeals of its denials succeed?

Accepted Answer

This page shows the appeal-overturn rate alongside the denial rate — a high overturn rate means many denials were reversed when customers pushed back.

Question 3

Where does this data come from?

Accepted Answer

CMS Transparency in Coverage machine-readable files, self-reported by the insurer. We compute in-network denial rates from the raw counts; see the Methodology page.

UnitedHealthcare of Illinois, Inc. claim denials