Health insurance claim denials in Arizona
Insurers in Arizona denied 959,926 in-network claims — 18.3% of everything submitted. Just 60 reached independent external review, and 20% of those were overturned.
Arizona — in-network denial rate
18.3%
959,926 of 5,244,699 claims · 8 insurers reporting
Your rights in Arizona are federal. Every non-grandfathered plan must give you an internal appeal, and an independent external review for denials involving medical judgement, experimental or investigational determinations, or rescission of coverage. Your denial letter names the route and the deadline for your plan — that letter is the authority.
External review route in Arizona
State-run process
CMS lists Arizona as running its own external review process that meets the federal standards, so your independent review is handled through the state programme rather than the federal one. Source: CCIIO state external review table, checked 3 August 2026.
External review is not always free — but it is capped. There is no charge under the HHS-administered federal process. Where your insurer uses a contracted independent review organisation or a state process, a filing fee may apply, but it cannot exceed $25.
Insurers in Arizona
| Insurer | Denial rate | Denied | External reviews |
|---|---|---|---|
| UnitedHealthcare of Arizona, Inc. | 35.8% | 490,972 | 16 |
| Medica Community Health Plan | 26.2% | 8,417 | 0 |
| Banner Health and Aetna Health Plan Inc. | 17.8% | 26,374 | — |
| Cigna HealthCare of Arizona, Inc | 13.2% | 23,780 | — |
| Health Net of Arizona, Inc. | 13.2% | 270,924 | — |
| Oscar Health Plan, Inc. | 11.6% | 54,197 | — |
| Blue Cross and Blue Shield of Arizona, Inc. | 8.7% | 85,262 | 44 |
| Imperial Insurance Companies, Inc. | — | — | — |
Everything you need for your appeal in Arizona: your two deadlines, the argument that fits your denial reason, an evidence checklist, and the external review request. Opens on screen the moment you pay.
This page presents federal statistics and a general description of appeal rights created by federal law. It is not legal, medical, or insurance advice, and no outcome is guaranteed. Your denial letter and plan documents govern your specific case. Free help is available from your state's Consumer Assistance Program and from the federal Marketplace at HealthCare.gov.