Reputation grade
B
Peer-relative, A–F
Insurer profile · Centene · NAIC + CMS
Ambetter of Magnolia Inc.'s complaint record, claim-denial rate and reputation grade, drawn from published NAIC complaint data and CMS Transparency in Coverage.
The verdict
Ambetter of Magnolia Inc. earns a B reputation grade - a better-than-average record versus peers, according to CMS Transparency in Coverage filings, 16.5% of its marketplace claims were denied across 1 state.
Reputation grade
B
Peer-relative, A–F
NAIC complaint index
N/A
1.0 = market average; lower is better
Claim denial rate
16.5%
CMS, 1 states
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 →CMS marketplace filing
The reported appeals on this profile come from Mississippi (1,147 filed, outcome not reported).
CMS reports an overturn outcome for 0 of these 1,147 filed appeals; missing outcomes are excluded from the percentage. These filing totals are not a prediction for an individual appeal. View the CMS source ↗
Ambetter of Magnolia Inc., part of Centene, carries a B reputation grade in PlainInsurer's dataset, with a composite score of 75.1 (higher means more consumer friction relative to size). It does not yet carry enough NAIC complaint history for a normalized complaint index.
On the claims side, CMS Transparency-in-Coverage filings show Ambetter of Magnolia Inc. denied 16.5% of marketplace claims across 1 reporting state - a moderate rate that still varies by plan design and network.
See where Ambetter of Magnolia Inc. sits against every reporting carrier in the claim-denial rate ranking.
Source: NAIC Consumer Information Source complaint data (2024). Source: CMS Transparency in Coverage PUF (PY2026), cms.gov.
Other B-graded carriers in PlainInsurer's dataset include UnitedHealthcare and Travelers Insurance, and the closest overall composite score to Ambetter of Magnolia Inc.'s 75.1 belongs to HMO Louisiana, Inc. (74.6), each rescaled across the measures that carrier reports.
Ambetter of Magnolia Inc. is part of the Centene family, alongside Ambetter (Centene), Centene Corporation (WellCare), Ambetter of North Carolina Inc., Ambetter Health of Louisiana, Inc., and 1 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.
Carriers with the same peer-relative reputation grade
| Insurer | Grade |
|---|---|
| UnitedHealthcare | B |
| Travelers Insurance | B |
| Humana Health | B |
| John Hancock Life | B |
| Openly Insurance | B |
Carriers with the nearest overall composite score (75.1)
| Insurer | Composite score |
|---|---|
| HMO Louisiana, Inc. | 74.6 |
| USAble HMO, Inc. | 75.7 |
| Blue Cross Blue Shield of Wyoming | 75.9 |
| HMO Partners, Inc. | 74.1 |
| PacificSource Health Plans | 73.5 |
Source: NAIC published complaint index + CMS Transparency in Coverage PY2026 Complaint index, reputation grade and per-state claim denial rates for Ambetter of Magnolia Inc. · 2024
The full PlainInsurer extract, covering every insurer including Ambetter of Magnolia 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.