How do I appeal a health insurance denial?

You can appeal a health insurance denial by writing a formal appeal letter citing the specific reason for denial, relevant medical evidence, and applicable federal and state laws. Healthcare Watchdog's free AI tool generates a professional appeal letter in minutes, citing the exact laws and regulations your insurer may have violated.

Is this insurance appeal tool really free?

Yes, Healthcare Watchdog's AI appeal letter generator is completely free. There are no hidden fees, no paywalls, and no data sold. The platform was built by a patient who experienced insurance denial firsthand.

What types of insurance denials can I appeal?

You can appeal medical necessity denials, out-of-network denials, prior authorization denials, experimental treatment denials, and more. Our tool works for all major insurers including UnitedHealthcare, Aetna, Cigna, Blue Cross Blue Shield, and Humana.

How long do I have to appeal an insurance denial?

Appeal deadlines vary by state and insurer, typically ranging from 30 to 180 days. Under the ACA, you generally have 180 days for internal appeals and 4 months for external review. Check your specific state's deadlines on our State Rights page.

What is the success rate of insurance appeals?

Studies show that roughly 50% of insurance appeals are successful, yet fewer than 1% of denied claims are ever appealed. This means millions of people are paying for care that should have been covered. A well-written appeal letter with proper legal citations significantly increases your chances.

Legal Intelligence

Case Database

Lawsuits, settlements, and regulatory actions against UnitedHealth Group since the Affordable Care Act (March 2010).

1,000

Total Cases

607

Settled

$340.0M

Total Settlements

Showing 25 of 2,274 cases

Page 1 of 91

	Status		Type
International Life Support, Inc. d/b/a American Medical Response Oahu v. National Association of Government Employees/International Association of EMTs and Paramedics, Local R56-23 D. Haw. (Federal)	Ongoing	Jun 8, 2026	Civil Suit	—
International Life Support, Inc. d/b/a American Medical Response Oahu v. National Association of Government Employees/International Association of EMTS and Paramedics Local R56-23 D. Haw. (Federal)	Ongoing	Jun 8, 2026	Civil Suit	—
D. v. UnitedHealthcare of Texas, Inc. D. Utah (Federal)	Ongoing	Jun 8, 2026	Civil Suit	—
SEC Filing 8-K: 8-K filing - 5.07 U.S. Securities and Exchange Commission	Filed	Jun 5, 2026	SEC Filing	—
Benefit Source Inc v. Optum Inc D. Minnesota (Federal)	Ongoing	Jun 3, 2026	Civil Suit	—
Johnson v. UnitedHealth Group Incorporated D. Minnesota (Federal)	Ongoing	Jun 2, 2026	Civil Suit	—
Radiology Associates of North Idaho, Inc. v. Change Healthcare Technology Enabled Services, LLC D. Minnesota (Federal)	Ongoing	Jun 2, 2026	Civil Suit	—
Kelly v. UnitedHealth Group, Inc M.D. Ala. (Federal)	Ongoing	Jun 1, 2026	Civil Suit	—
Lutz v. UnitedHealthcare Insurance Company D.S.C. (Federal)	Ongoing	May 29, 2026	Civil Suit	—
Shelton v. Optum Services, Inc. E.D. Mo. (Federal)	Ongoing	May 29, 2026	Civil Suit	—
J S v. United Healthcare Services E.D. Wis. (Federal)	Ongoing	May 27, 2026	Civil Suit	—
Nirav B. Savalia v. UnitedHealthcare Benefits Plan of California C.D. Cal. (Federal)	Ongoing	May 26, 2026	Civil Suit	—
Abramczyk v. UnitedHealth Group Incorporated D. Minnesota (Federal)	Ongoing	May 26, 2026	Civil Suit	—
Abramczyk v. UnitedHealth Group Incorporated M.D. Tenn. (Federal)	Ongoing	May 26, 2026	Civil Suit	—
Apex Physical Rehabilitation & Wellness PLLC v. UnitedHealth Group Incorporated D. Minnesota (Federal)	Ongoing	May 26, 2026	Civil Suit	—
Total Care Dental and Orthodontics v. UnitedHealth Group Incorporated M.D. Tenn. (Federal)	Ongoing	May 22, 2026	Civil Suit	—
Ainsworth v. UnitedHealth Group Incorporated M.D. Tenn. (Federal)	Ongoing	May 22, 2026	Civil Suit	—
CAPITAL HEALTH SYSTEMS, INC. v. UNITEDHEALTHCARE INSURANCE COMPANY D.N.J. (Federal)	Ongoing	May 22, 2026	Civil Suit	—
Dov Wills PLLC v. UnitedHealth Group Incorporated W.D. Wash. (Federal)	Ongoing	May 21, 2026	Civil Suit	—
VIP Physicians Consulting LLC v. Unitedhealth Group Incorporated S.D. Fla. (Federal)	Ongoing	May 20, 2026	Civil Suit	—
Serenity Therapy LLC v. UnitedHealth Group Incorporated S.D. Iowa (Federal)	Ongoing	May 20, 2026	Civil Suit	—
Urological Consultants of Florida v. Unitedhealth Group Incorporated S.D. Fla. (Federal)	Ongoing	May 20, 2026	Civil Suit	—
Healthcare Justice Coalition, LLC v. UnitedHealthcare of New Mexico, Inc. D.N.M. (Federal)	Ongoing	May 20, 2026	Civil Suit	—
King v. UnitedHealth Group S.D. Tex. (Federal)	Ongoing	May 20, 2026	Civil Suit	—
Anderson v. Surgical Care Affiliates, LLC E.D. Tex. (Federal)	Ongoing	May 20, 2026	Civil Suit	—

Data sourced from public DOJ, SEC, federal courts (CourtListener), HHS OIG, and State AG records since 2020. Updated continuously.

AI Summaries paused — data review in progress