Insurer profile · UnitedHealth Group · NAIC + CMS

UnitedHealthcare of Wisconsin, Inc.

UnitedHealthcare of Wisconsin, Inc.'s complaint record, claim-denial rate and reputation grade, drawn from published NAIC complaint data and CMS Transparency in Coverage.

D
Reputation grade
26.5%
Claims denied
1
States (CMS data)

The verdict

UnitedHealthcare of Wisconsin, Inc. earns a D reputation grade - a worse-than-average record versus peers, according to CMS Transparency in Coverage filings, 26.5% of its marketplace claims were denied across 1 state.

D
reputation grade
26.5%
claims denied (CMS)
DDD
Reputation grade D (composite score 28.1) - A=Excellent, F=Failing. Based on NAIC complaint ratios and CMS denial data.

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 · 28.1

GRADE-D · INDEX-UNK · DENIAL-HOT · RANK-UNK · PHOTO-SOLO · LINES-0 · BOOK-MID

  • GRADE-D D · 28.1
  • INDEX-UNK Index blank
  • DENIAL-HOT 26.5% 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.

CMS marketplace filing

Reported appeal outcomes for UnitedHealthcare of Wisconsin, Inc.

594
appeals filed
244
overturned (reported outcomes)
41.1%
of appeals with a reported outcome

The reported appeals on this profile come from Wisconsin (594 filed, 244 overturned).

CMS reports an overturn outcome for 594 of these 594 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 Wisconsin, Inc.

UnitedHealthcare of Wisconsin, Inc.'s filing desk summarizes the NAIC complaint record and any CMS marketplace denial data on file.

See where UnitedHealthcare of Wisconsin, Inc. sits against every reporting carrier in the claim-denial rate ranking. Appeal notes for UnitedHealthcare of Wisconsin.

Nationwide insurers with similar scores or complaint volume

Two corpus-wide peer sets for UnitedHealthcare of Wisconsin, 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 (28.1 here). Floored at 50+ complaints and 5+ states.

Aggregates only, not advice. Full terms on the disclaimer.

UnitedHealthcare of Wisconsin, 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.

Questions about UnitedHealthcare of Wisconsin, Inc.

What does UnitedHealthcare of Wisconsin, Inc.'s grade mean?
UnitedHealthcare of Wisconsin, Inc. received a grade of D, indicating a worse-than-average record versus peers.
How many complaints does UnitedHealthcare of Wisconsin, Inc. have?
NAIC's public bulk data does not include a complaint-volume estimate for UnitedHealthcare of Wisconsin, Inc. - the carrier may be new, small, or file under a parent company. Absence of an estimate is missing data, not evidence of zero complaints.
How do I file a complaint against UnitedHealthcare of Wisconsin, Inc.?
File against UnitedHealthcare of Wisconsin, Inc. through your state's Department of Insurance or the NAIC consumer portal at naic.org.
Is UnitedHealthcare of Wisconsin, Inc. a good insurance company?
PlainInsurer's D grade for UnitedHealthcare of Wisconsin, Inc. reflects a worse-than-average record versus peers relative to peers on published complaint and denial data.
What types of insurance does UnitedHealthcare of Wisconsin, Inc. offer?
Detailed line-of-business data isn't currently available for UnitedHealthcare of Wisconsin, Inc.. The carrier is licensed in 0 states.

Source: NAIC published complaint index + CMS Transparency in Coverage PY2026 Complaint index, reputation grade and per-state claim denial rates for UnitedHealthcare of Wisconsin, Inc. · 2024

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The full PlainInsurer extract, covering every insurer including UnitedHealthcare of Wisconsin, Inc., is available as CSV and JSON. Underlying federal data is public domain; see our methodology for the compilation and grading method.

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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.