Denial Facts
Wisconsin

UnitedHealthcare of Wisconsin denied your claim. Here is your deadline.

Your two dates, free

Put in the date on your UnitedHealthcare of Wisconsin, Inc. notice and get both federal deadlines as calendar dates.

Free, for a UnitedHealthcare of Wisconsin, Inc. denial in Wisconsin, and it runs entirely in your browser. The date, the plan type and the state you pick are never sent to us and never stored.

UnitedHealthcare of Wisconsin, Inc. denied 113,541 of 659,260 in-network claims in Wisconsin; every one of those denials had these same two dates on it. Across Wisconsin as a whole the insurers in this file denied 12.1% of in-network claims, 1,188,325 of them, and 2,083 were appealed.

UnitedHealthcare of Wisconsin, Inc. denied 17.2% of in-network claims in Wisconsin, 113,541 claims out of 659,260.

United keeps denying my claims. I'm up to my ears in medical debt and I make close to nothing.
We hear this most. r/HealthInsurance, thread title, read September 3, 2026.
The number nobody else publishes, and here it is missing. CMS publishes no external-review figure for UnitedHealthcare of Wisconsin, Inc. in Wisconsin, so nobody, including the regulator, can say whether anyone ever got that far. We print no number rather than reading an absence as a zero. Nationally, 5,881 of 84,502,749 denials reached that stage, one in every 14,369, and 32.8% of those were overturned.

Those 113,541 denials are 9.6% of every in-network denial recorded in Wisconsin in this release, which makes UnitedHealthcare of Wisconsin, Inc. the 5th largest source of denials of the 12 insurers reporting there. Spread across its 13 plans in the state that is about 8,734 denials per plan. 594 internal appeals were filed against those 113,541 denials. Every one of those denials carried the same two dates the tool at the top of this page works out.

The clock your letter has to describe, in actual dates

Two dates matter more than anything else on this page, and they run the same in Wisconsin as everywhere else. You have 180 days from the date on your denial notice to file the internal appeal, and then 4 months from the final internal denial to ask for an independent external review. If waiting would seriously jeopardize your health you can ask for both to be expedited, decided in about 72 hours. Both timeframes are federal, not your insurer's choice, 29 CFR 2560.503-1 (PDF) and 45 CFR 147.136 (PDF), in plain English at HealthCare.gov, and your own denial letter states the ones that govern your plan. The PDFs are the same sections on govinfo.gov, which serves them without a challenge page, so an automated reader can check these two dates as easily as you can.

Notice for UnitedHealthcare of Wisconsin, Inc. in Wisconsin, there is a deadline in this one. CMS says the HHS-Administered Federal External Review Process reopened on July 31, 2026. If your plan uses that process and you could not file between July 1, 2026 and August 3, 2026, CMS says you may be eligible for an extension and have until October 2, 2026 to request external review. If you filed before July 1, 2026 you do not need to resubmit; if you already have a final decision through the federal process, the extension does not apply to you. HealthCare.gov names one group this state-by-state page cannot show you: it says the extension may reach you if you have a state or local government plan in any state, not only in the states whose insurers use the federal process. Both pages were read at source on September 5, 2026 and this is what they said that day, the CCIIO external appeals page and HealthCare.gov on external review. Read them again before you rely on this: it is a live deadline and it has moved once already. Wisconsin is one of the states CMS lists as using the federal process, so this applies to an insured plan bought there. If your plan uses a contracted independent review organization instead, none of this affects you.
Data verified September 5, 2026 · CMS Transparency in Coverage Public Use File (PY2026 release, PY2024 claims), data.healthcare.gov — US Government public domain

You are not alone, and here is the measured version of that sentence: 113,541 in-network claims were denied by UnitedHealthcare of Wisconsin, Inc. in Wisconsin in a single plan year. A denial rate is a fact about an insurer's book of business. It is not a judgment about you, and it is not the last word on your claim.

What to do tonight
  1. Find the reason code on your denial letter. The reason UnitedHealthcare of Wisconsin, Inc. records most often in Wisconsin is provider out of network, but yours may be one of the other 8, copy the exact wording and code off your own letter tonight, because that sentence is what your appeal has to answer.
  2. Ask UnitedHealthcare of Wisconsin, Inc. in Wisconsin for the clinical criteria they judged you against. Under 29 CFR 2560.503-1 they have to hand you the claim file and the policy they applied, free, on request, and you cannot argue with a checklist you have never read.
  3. Put both deadlines on your calendar before you go to bed. 180 days from the date on the letter for the internal appeal, 4 months from the final internal denial for external review. The free calculator on this page turns your date into the two calendar dates in about ten seconds. UnitedHealthcare of Wisconsin, Inc. overturned 41.08% of the internal appeals it did receive, 244 claims, so the stage you are about to start is not decorative.

None of those three steps costs anything. Anyone charging you to do them is selling you something you can do yourself in twenty minutes.

17.2%
In-network denial rate
113,541
Claims denied
13
Plans in Wisconsin
594
Internal appeals filed
41.08%
Internal overturn rate

How that compares

Denial rateRateDifference
UnitedHealthcare of Wisconsin, Inc.17.2%,
Wisconsin average12.1%+5.1 pts
National average (this dataset)18.7%-1.5 pts

UnitedHealthcare of Wisconsin, Inc. sits at or below the national average across this dataset. A denial rate is a property of the insurer's book of business, coding practice, plan design, the population it covers, not evidence about the merits of any one claim, including yours.

What happened to appeals

StageFiledOverturned
Internal appeal (to UnitedHealthcare of Wisconsin, Inc.)59441.08%
External review (independent)not reportednot reported
Read the table for what it is: the external-review row above shows a dash, which means not reported and not zero, the Wisconsin absence this page states once at the top for UnitedHealthcare of Wisconsin, Inc. and sources once at the foot. External review is free to you and the insurer must follow the decision, whatever this file does or does not record about it.

What that record means for your own UnitedHealthcare of Wisconsin, Inc. letter, and by when. UnitedHealthcare of Wisconsin, Inc. overturned 41.08% of the 594 internal appeals its Wisconsin members filed against 113,541 denials, and the Wisconsin escalation count for UnitedHealthcare of Wisconsin, Inc. is the figure this page names as absent at the top, so how many of those denials went on to the independent stage is not something this page can tell you, UnitedHealthcare of Wisconsin, Inc.'s own rows in the plan-year 2026 release of the CMS Transparency in Coverage file, read September 5, 2026 (data.healthcare.gov). Whichever way that lands, nobody files the appeal for you, and the filing runs on a clock set by which plan you hold: an employer or Marketplace plan gives you at least 180 days from the denial notice to file the internal appeal (29 CFR 2560.503-1(h)(3)(i), carried onto individual-market coverage by 45 CFR 147.136(b)(3)(i)), while Medicare Advantage gives you 60 calendar days after you receive its notice (42 CFR 422.582(b)) and Medicaid managed care the same 60 calendar days from the date on the notice (42 CFR 438.402(c)(2)(ii)), both stages free, and the three steps above are the whole of what to do tonight, so take the date printed on your UnitedHealthcare of Wisconsin, Inc. notice and file well inside whichever of those windows is yours. The free steps are above; the $29 kit is the same clock with the letters pre-filled for UnitedHealthcare of Wisconsin, Inc. in Wisconsin. One payment. No subscription. No cut of your claim.

UnitedHealthcare of Wisconsin, Inc. inside Wisconsin

Your denial did not happen in a national average. It happened in a state market, alongside 11 other insurers reporting into the same federal file, and these are that market's own figures.

What UnitedHealthcare of Wisconsin, Inc. denies most

The most common denial reason recorded for UnitedHealthcare of Wisconsin, Inc. plans in Wisconsin is provider out of network. How that denial is beaten →

Denial reasonClaimsShareNational share
Provider out of network27,19635%9.8%
Other reasons22,12828.5%32.3%
Referral required10,41413.4%8.4%
Service excluded from the plan10,37313.4%11.6%
Member not covered4,0745.2%6.6%
Administrative reason3,4374.4%22.5%

The last column is each reason's share of all categorized denials nationally, so you can see where UnitedHealthcare of Wisconsin, Inc.'s mix in Wisconsin differs from everyone else's. This is denial mix, not overturn rate by reason, the federal file does not report appeal outcomes broken down by denial reason, and we do not imply otherwise.

Work out your two deadlines

Put the date from your notice in and get the two calendar dates, with the days remaining.

Runs entirely in your browser, the date you type is never sent to us and never stored. Open the full calculator →

The three steps at the top of this page are the whole of what you have to do tonight. The longer version, what the internal appeal has to contain, how the independent stage works, and how to ask for expedited handling when waiting would seriously jeopardize your health, is published free here. For what it is worth on this page specifically: UnitedHealthcare of Wisconsin, Inc. overturned 41.08% of the internal appeals it received.

Who appeals what at UnitedHealthcare, the insurer's own routing table

UnitedHealthcare publishes a table of which denial scenarios are appealed by you, the member ("customer appeal") and which only your health care provider can appeal. Almost no patient ever sees it, and appealing a denial that only your provider has standing to appeal burns time inside a fixed window. Quoted from UnitedHealthcare's published policy (a page written for health care providers), checked 2026-08-25. It is brand-level and applies to UnitedHealthcare of Wisconsin, Inc. in Wisconsin the same as to every other UnitedHealthcare entity in the file.

Denial scenario (UnitedHealthcare's wording)Who appeals it
Post-service claim dispute (provider)Your provider
Pre-service denialYour provider
Provider appealing on the member's behalfYour provider
How to use this: if your scenario says "health care provider appeal", the move is a call to your provider's billing office asking them to appeal, not a letter from you. If it says "Either", a provider-led appeal and your own member appeal can run together. Your member rights under federal law, generally 180 days for the internal appeal, then external review, apply regardless of this table, and regardless of which of the 12 insurers reporting in Wisconsin sent your letter.

Operational facts from the same policy

Sources: UnitedHealthcare, "Pre- and post-service appeals and reconsiderations", quoted, not paraphrased; audience: health care providers; checked 2026-08-25. UnitedHealthcare, "Member service request form (memberforms.uhc.com — carries state-specific sections incl. California IMR; undated)", quoted, not paraphrased; audience: members; checked 2026-08-26. Brand-level policy, applied here because UnitedHealthcare of Wisconsin, Inc. is a UnitedHealthcare entity. Your own denial letter and plan documents govern your specific case.

Questions

Is UnitedHealthcare of Wisconsin, Inc.'s denial rate in Wisconsin high?

17.2% against a national average of 18.7% across the plans in this dataset. It is at or below average. A denial rate describes the insurer, not the merits of your claim.

How many people appealed a UnitedHealthcare of Wisconsin, Inc. denial in Wisconsin, and how many won?

594 internal appeals were filed against 113,541 denials, and 41.08% of them were overturned (244 claims). How many went on to independent external review is not on the record for UnitedHealthcare of Wisconsin, Inc. in Wisconsin, that is the absence stated at the top of this page and sourced at the foot of it.

How does UnitedHealthcare of Wisconsin, Inc. compare with other insurers in Wisconsin?

Of the 12 insurers in Wisconsin with a reported denial rate, UnitedHealthcare of Wisconsin, Inc. ranks 2 highest at 17.2%. The highest in Wisconsin is Security Health Plan of Wisconsin, Inc. at 18.9%; the lowest is HealthPartners Insurance Company at 6.5%.

What does UnitedHealthcare of Wisconsin, Inc. deny most often in Wisconsin?

Provider out of network, 27,196 claims, 35% of this issuer's categorized denials, against 9.8% nationally. This is the denial-reason mix; the federal file does not report overturn rates by reason.

How long do I have to appeal a UnitedHealthcare of Wisconsin, Inc. denial in Wisconsin?

Generally 180 days from the date on the denial notice to file the internal appeal, then generally four months from the final internal denial to request independent external review. Expedited review, decided in about 72 hours, is available where delay would seriously jeopardize your health. Those timeframes are federal, so they are identical for every insurer reporting in Wisconsin, UnitedHealthcare of Wisconsin, Inc. included, what varies by state is who runs the independent review at the end. Your own denial letter states the deadlines that govern your plan; that letter is the authority.

Does appealing a UnitedHealthcare of Wisconsin, Inc. denial in Wisconsin cost anything?

The internal appeal to UnitedHealthcare of Wisconsin, Inc. is free. External review is free under the HHS-administered federal process; where an issuer uses a contracted independent review organization or a state process, any fee is capped at $25 per review. Nobody in Wisconsin can be charged more than that to file one.

Can UnitedHealthcare of Wisconsin, Inc. ignore an external review decision in Wisconsin?

No, and that is the whole point of the stage. External review decisions are binding on the plan by law. The count is the one this page names as absent for UnitedHealthcare of Wisconsin, Inc. in Wisconsin, so none is printed for it, an absent figure is not a count of none.

UnitedHealthcare of Wisconsin, Inc. sits at 17.2% in Wisconsin against 18.7% nationally, and that is the whole of what this page can honestly tell you about your own claim. I am not going to tell you that you will win. This page prints the insurer's own reported numbers whichever way they fall. If what it says does not match the letter in your hand, write to me and I will correct the page.

, Andrew at Axion Labs · hello@getaxionlabs.com
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Everything you need for your UnitedHealthcare of Wisconsin, Inc. appeal in Wisconsin: your two deadlines, the argument that fits your denial reason, the letters, the clinician brief, and the external review request. One payment. No subscription. No cut of your claim. Opens on screen the moment you pay. 14-day refund, no questions, one email to hello@getaxionlabs.com.

Where these numbers come from

The UnitedHealthcare of Wisconsin, Inc. figures on this page, the 17.2% denial rate, the 113,541 denials, are this issuer’s own reported rows in that file. CMS did not report an external-review figure for UnitedHealthcare of Wisconsin, Inc. in Wisconsin in the plan-year 2026 release of the Transparency in Coverage file, which is why no external-review count appears above.

Counts: CMS Transparency in Coverage Public Use File (PY2026 release, PY2024 claims), data.healthcare.gov — US Government public domain. Rights and timeframes: 29 CFR 2560.503-1 (180 days, and your free right to the claim file) and 45 CFR 147.136 (4 months, and what qualifies), explained at HealthCare.gov. Expedited review is decided in about 72 hours under both sections.

Reading either regulation from a script rather than a browser: eCFR answers automated fetches with a challenge page, so the same two sections are mirrored as government PDFs at govinfo.gov (29 CFR 2560.503-1) and govinfo.gov (45 CFR 147.136).

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.
Problem solved: You have both dates for your UnitedHealthcare of Wisconsin, Inc. notice, you know that an insured plan in Wisconsin goes to the federal process, and you have the letter, free, on this screen, tonight.

Your words, in a box, read by a person. We ask for no name and no email.