Insurer record · Medicaid MCOs and marketplace (Ambetter) across 30+ states, via dozens of brands

Centene

12.3%

of MA prior-authorization requests denied in 2024 — second highest of major insurers

Dataset: Prior-authorization denials · Medicare Advantage

Files spread across brands See the public-record check →

From the payer’s own CY2025 posting

What Centene disclosed

Measure	What the insurer reported	Note
Corporate CMS-0057-F index	None found
Disclosure location	Per-brand sites	Health Net, Wellcare, Superior, and more

Source · Health Net (Centene) prior-authorization performance metrics

Published: 2026
How to check it: The original public source is linked below. We label the market, year, and known limits beside the number.

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Appeal drafting · free to use

Denied by Centene? Build a fact-specific draft.

Start with the facts in your notice. The builder adds public context only when it matches Medicare Advantage prior authorization, and labels that context so it is not confused with evidence about your individual request.

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We do not publish a prewritten statistics block for this payer because the current data cannot be matched cleanly to an individual plan and denial type.

On the record

Highest ask, near-highest denial, highest reversal.

In 2024 Centene required 2.9 prior-authorization requests per MA enrollee (tied for most), denied 12.3% of them (second-most), and overturned 95.5% of appealed denials — its own reviewers agreeing with patients nineteen times out of twenty.

Source · KFF analysis of CMS Medicare Advantage data (2024)

Published: Jan. 28, 2026
Source note: Insurer-reported to CMS; unaudited.
How to check it: The original public source is linked below. We label the market, year, and known limits beside the number.

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Also 18% of marketplace claims.

On the separate claim-denial measure, Centene's Ambetter plans denied 18% of 93.1 million in-network marketplace claims in 2024 — 17.2 million denied claims, the largest denied-claim volume of any company.

Source · KFF analysis of the CMS Transparency in Coverage PUF (2024 plan year)

Published: Mar. 24, 2026
Source note: HealthCare.gov states only; CMS does not audit insurer submissions.
How to check it: The original public source is linked below. We label the market, year, and known limits beside the number.

Open original source ↗

See how these figures are collected, what they can and cannot tell you, and how to request a correction on the methodology page. Compare payers on the rankings page.