Insurer profile · UnitedHealth Group · NAIC + CMS

UnitedHealthcare of South Carolina, Inc.

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

F
Reputation grade
29.3%
Claims denied
1
States (CMS data)

The verdict

UnitedHealthcare of South Carolina, Inc. earns a F reputation grade - a significantly worse record than peers, according to CMS Transparency in Coverage filings, 29.3% of its marketplace claims were denied across 1 state.

F
reputation grade
29.3%
claims denied (CMS)
FFF
Reputation grade F (composite score 16.2) - 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 F · 16.2

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

  • GRADE-F F · 16.2
  • INDEX-UNK Index blank
  • DENIAL-HOT 29.3% 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 South Carolina, Inc. is part of the UnitedHealth Group family, alongside UnitedHealthcare, UnitedHealthcare of Ohio, Inc., UnitedHealthcare of Texas, Inc., UnitedHealthcare of Arizona, 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 South Carolina, Inc.

403
appeals filed
125
overturned (reported outcomes)
31.0%
of appeals with a reported outcome

The reported appeals on this profile come from South Carolina (403 filed, 125 overturned).

CMS reports an overturn outcome for 403 of these 403 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 South Carolina, Inc.

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

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

Nationwide insurers with similar scores or complaint volume

Two corpus-wide peer sets for UnitedHealthcare of South Carolina, 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 (16.2 here). Floored at 50+ complaints and 5+ states.

Esurance (Allstate) 20.8 Globe Life 25.2 Ambetter (Centene) 6.8 Dairyland Insurance (Sentry) 6.4
Aggregates only, not advice. Full terms on the disclaimer.

Questions about UnitedHealthcare of South Carolina, Inc.

What does UnitedHealthcare of South Carolina, Inc.'s grade mean?
UnitedHealthcare of South Carolina, Inc. received a grade of F, indicating a significantly worse record than peers.
How many complaints does UnitedHealthcare of South Carolina, Inc. have?
NAIC's public bulk data does not include a complaint-volume estimate for UnitedHealthcare of South Carolina, 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 South Carolina, Inc.?
File against UnitedHealthcare of South Carolina, Inc. through your state's Department of Insurance or the NAIC consumer portal at naic.org.
Is UnitedHealthcare of South Carolina, Inc. a good insurance company?
PlainInsurer's F grade for UnitedHealthcare of South Carolina, Inc. reflects a significantly worse record than peers relative to peers on published complaint and denial data.
What types of insurance does UnitedHealthcare of South Carolina, Inc. offer?
Detailed line-of-business data isn't currently available for UnitedHealthcare of South Carolina, 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 South Carolina, Inc. · 2024

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The full PlainInsurer extract, covering every insurer including UnitedHealthcare of South Carolina, 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.