Reputation grade
C
Peer-relative, A–F
Insurer profile · HCSC · NAIC + CMS
BCBS of Illinois's complaint record, claim-denial rate and reputation grade, drawn from published NAIC complaint data and CMS Transparency in Coverage.
The verdict
BCBS of Illinois earns a C reputation grade - a record near the industry median, according to the NAIC's published complaint index, its ratio runs 0.98, near the 1.0 market average.
Reputation grade
C
Peer-relative, A–F
NAIC complaint index
0.98
1.0 = market average; lower is better
Est. complaint volume
~194
across 1 states, index-derived
Graded on 1 of 3 measures: NAIC complaints. The score is rescaled across the measures available, so it is not directly comparable with a carrier graded on more of them.
How we calculated this grade →Lowest complaint index in PlainInsurer's dataset: 0.23
0 complaint index
Market average complaint index = 1.0 (NAIC benchmark)
1 complaint index
BCBS of Illinois: complaint index 0.98
1 complaint index
Highest complaint index in PlainInsurer's dataset: 3.87
4 complaint index
What this shows BCBS of Illinois's complaint index of 0.98 is 2% below the 1.0 market average for a carrier of its size.
BCBS of Illinois vs. the full rated-insurer dataset
98% Among the most affordable more affordable than 50% of 72 rated insurers
Each bar is a band; taller bars hold more rated insurers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NAIC published complaint index (2024) · 2024
| Line | Est. complaints | Complaint index | States active |
|---|---|---|---|
| Health Insurance (Individual) | ~194 | 0.98 | 1 |
National ranking by direct written premiums, NAIC 2024
According to PlainInsurer's dataset, BCBS of Illinois has a lower (better) NAIC complaint index than 50% of the 72 rated insurers it tracks and ranks #9 of 18 carriers by complaint ratio in Health Insurance (Individual).
BCBS of Illinois, part of HCSC, carries a C reputation grade in PlainInsurer's dataset, with a composite score of 60.8 (higher means more consumer friction relative to size). Its NAIC complaint index of 0.98 sits below the 1.0 market average, meaning policyholders escalate fewer disputes to regulators than is typical for a carrier of its premium volume.
BCBS of Illinois does not appear in the CMS marketplace claim-denial file, which covers individual-market health issuers, common for auto, home and life carriers. The carrier reports activity across 1 line of business.
BCBS of Illinois is outside the CMS marketplace file, but the claim-denial rate ranking shows what that data reports for the carriers it does cover.
Source: NAIC Consumer Information Source complaint data (2024). See methodology.
Other C-graded carriers in PlainInsurer's dataset include Liberty Mutual and Aetna (CVS Health), and the closest overall composite score to BCBS of Illinois's 60.8 belongs to Nationwide Insurance (60.8), each rescaled across the measures that carrier reports.
BCBS of Illinois is part of the HCSC family, alongside BCBS of Texas in PlainInsurer's dataset -- a shared parent doesn't mean shared performance, so check each subsidiary's own record before assuming they behave alike.
Carriers with the same peer-relative reputation grade
| Insurer | Grade |
|---|---|
| Liberty Mutual | C |
| Aetna (CVS Health) | C |
| Allstate Property | C |
| AIG Homeowners | C |
| Allstate Insurance | C |
Carriers with the nearest overall composite score (60.8)
| Insurer | Composite score |
|---|---|
| Nationwide Insurance | 60.8 |
| Superior Health Plan | 60.5 |
| Blue Cross and Blue Shield of Arizona, Inc. | 61.1 |
| Health Net of Arizona, Inc. | 60.0 |
| Blue Cross and Blue Shield of Florida | 61.6 |
BCBS of Illinois is filed with the NAIC under company number 70670. Search that number directly in the NAIC's own public consumer-information tool to cross-check this page against the primary source.
Verify on NAIC Consumer Information SourceSource: NAIC published complaint index data Complaint index, reputation grade for BCBS of Illinois · 2024
The full PlainInsurer extract, covering every insurer including BCBS of Illinois, is available as CSV and JSON. Underlying federal data is public domain; see our methodology for the compilation and grading method.
Data: NAIC published complaint index (2024). Not affiliated with NAIC or CMS.
Every figure on PlainInsurer comes directly from NAIC MCAS and CMS Transparency in Coverage data; no editor types in numbers. See our editorial standards or methodology, or report an error. Data current as of 2026-08-11. Grades measure only the published complaint/denial data; we don't recommend any insurer or policy.