Insurer profile · UnitedHealth Group · NAIC + CMS
UnitedHealthcare of Mississippi, Inc.
UnitedHealthcare of Mississippi, Inc.'s complaint record, claim-denial rate and reputation grade, drawn from published NAIC complaint data and CMS Transparency in Coverage.
- D
- Reputation grade
- 26.9%
- Claims denied
- 1
- States (CMS data)
The verdict
UnitedHealthcare of Mississippi, Inc. earns a D reputation grade - a worse-than-average record versus peers, according to CMS Transparency in Coverage filings, 26.9% of its marketplace claims were denied across 1 state.
- D
- reputation grade
- 26.9%
- claims denied (CMS)
Graded on 1 of 3 measures: claim denials. 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 →NAIC CIS filing desk
NAIC NAIC D · 25.9
GRADE-D · INDEX-UNK · DENIAL-HOT · RANK-UNK · PHOTO-SOLO · LINES-0 · BOOK-MID
- GRADE-D D · 25.9
- INDEX-UNK Index blank
- DENIAL-HOT 26.9% denied
- RANK-UNK Rank pending
- PHOTO-SOLO No peer gap
- LINES-0 No lines
- BOOK-MID 3/7 fields
Instrument codes from this carrier’s NAIC Consumer Information Source filing: grade band, complaint index, CMS denial band, corpus rank, photo-finish peer, line book, and field completeness. Not an official NAIC rating.
UnitedHealthcare of Mississippi, Inc. is part of the UnitedHealth Group family, alongside UnitedHealthcare, UnitedHealthcare of South Carolina, Inc., UnitedHealthcare of Ohio, Inc., UnitedHealthcare of Texas, Inc., and 2 more in PlainInsurer's dataset -- a shared parent doesn't mean shared performance, so check each subsidiary's own record before assuming they behave alike.
CMS marketplace filing
Reported appeal outcomes for UnitedHealthcare of Mississippi, Inc.
The reported appeals on this profile come from Mississippi (196 filed, 61 overturned).
CMS reports an overturn outcome for 196 of these 196 filed appeals; missing outcomes are excluded from the percentage. These filing totals are not a prediction for an individual appeal. View the CMS source ↗
What the NAIC filing desk shows for UnitedHealthcare of Mississippi, Inc.
UnitedHealthcare of Mississippi, Inc.'s filing desk summarizes the NAIC complaint record and any CMS marketplace denial data on file.
See where UnitedHealthcare of Mississippi, Inc. sits against every reporting carrier in the claim-denial rate ranking. Appeal notes for UnitedHealthcare of Mississippi.
Nationwide insurers with similar scores or complaint volume
Two corpus-wide peer sets for UnitedHealthcare of Mississippi, Inc.: nearest national-scale carriers by composite score and by NAIC complaint volume. These are cross-market neighborhoods, not the corporate-family list or same-grade chips above.
Similar composite score
Nearest carriers by composite score (25.9 here). Floored at 50+ complaints and 5+ states.
Questions about UnitedHealthcare of Mississippi, Inc.
What does UnitedHealthcare of Mississippi, Inc.'s grade mean?
How many complaints does UnitedHealthcare of Mississippi, Inc. have?
How do I file a complaint against UnitedHealthcare of Mississippi, Inc.?
Is UnitedHealthcare of Mississippi, Inc. a good insurance company?
What types of insurance does UnitedHealthcare of Mississippi, Inc. offer?
Source: NAIC published complaint index + CMS Transparency in Coverage PY2026 Complaint index, reputation grade and per-state claim denial rates for UnitedHealthcare of Mississippi, Inc. · 2024
Share, download, and related pages for UnitedHealthcare of Mississippi
Download the data behind this page
The full PlainInsurer extract, covering every insurer including UnitedHealthcare of Mississippi, Inc., 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) · CMS Transparency in Coverage PUF PY2026. 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.