UnitedHealth says it’s complying with DOJ probes into Medicare practices


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Summary

Insurer under scrutiny

UnitedHealth Group faces scrutiny for allegedly adding to patient diagnoses to receive higher Medicare payments.

Company said it is cooperating

A Thursday, July 24 securities filing was the first public statement from the insurer confirming cooperation with a Department of Justice Medicare investigation.

Whistleblower’s allegations

A whistleblower accused the company of training doctors on what diagnosis would net higher Medicare payments and sometimes paying physicians’ offices for complying.


Insurance giant UnitedHealth Group confirmed in a securities filing on Thursday, July 24, that it is cooperating with a Department of Justice investigation into its Medicare billing practices. The Wall Street Journal reported in a series of articles that UnitedHealth billed extra diagnoses to its Medicare Advantage programs to inflate its payments from the federal government.

Kuai Leong, senior deputy general counsel and deputy corporate secretary at UnitedHealth Group, wrote in the filing to the United States Securities and Exchange Commission that UnitedHealth reached out to the Justice Department following media reports about the company’s billing practices. According to the WSJ reports, UnitedHealth trained doctors to document diagnoses that would, in turn, generate more funding for the health care company.

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Medicare Advantage is a public health insurance program covering more than 65 million elderly and disabled Americans. The Justice Department’s health care fraud unit is leading a criminal investigation into the insurer for Medicare fraud while also pursuing civil litigation under the False Claims Act.

The Justice Department didn’t immediately respond to Straight Arrow News’ request for comment. UnitedHealth shared a statement on June 24, repeating what Leong wrote in the filing. 

“The Company has now begun complying with formal criminal and civil requests from the Department,” Leong wrote. “The Company has full confidence in its practices and is committed to working cooperatively with the Department throughout this process.”

His comments come as UnitedHealth faces scrutiny from federal officials about its operations under the Medicare Advantage Program. 

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UnitedHealth Group said it is cooperating with the Justice Department’s civil and criminal investigations into the insurer’s Medicare billing practices. 

2017 investigation

The Justice Department intervened in a 2017 lawsuit filed by whistleblower Benjamin Poehling, a former finance director for UnitedHealth who managed the company’s Medicare Advantage plans. The department said in a 2017 release that the company instructed physicians to falsely document diagnoses to trigger risk adjustments by Medicare.

Under Medicare Advantage, the government paid insurers adjusted amounts based on the beneficiaries’ health status submitted by doctors. UnitedHealth had more Medicare Advantage enrollees than any other insurer, according to nonprofit health policy research firm KFF

Federal prosecutors said the company conducted reviews and identified diagnoses that physicians had not reported, which would have resulted in increased payments. Prosecutors also accused the insurer of giving financial incentives to document and furnish the diagnoses. 

“However, UHG allegedly ignored information from these chart reviews showing that hundreds of thousands of diagnoses provided by treating physicians and submitted by it to Medicare were invalid and did not support the Medicare payments it had previously requested and obtained,” the DOJ wrote in 2017. “By ignoring this information, UHG avoided repaying Medicare monies to which it was not entitled.”

However, Leong wrote that a court-appointed special master reviewed the case and found no evidence supporting claims of wrongdoing. 

New criminal inquiry

The Wall Street Journal reported in May that the Justice Department launched a criminal inquiry into the insurer for Medicare fraud. Citing people familiar with the investigation, the Journal said the DOJ was focusing on UnitedHealth’s Medicare Advantage business practices. 

Leong wrote that UnitedHealth has launched a third-party review of its policies, practices and any associated processes and performance metrics for risk assessment coding, managed care practices and pharmacy services.

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Why this story matters

The Justice Department's investigation into UnitedHealth's Medicare billing practices highlights concerns about the integrity of federal health care payments and oversight of one of the nation’s largest insurers. The case could influence Medicare Advantage regulations and industry practices nationwide.

Medicare billing practices

The focus on how UnitedHealth documented patient diagnoses raises questions about the accuracy of Medicare funding and the potential for systemic overbilling.

Government oversight

The Justice Department’s investigation and civil litigation underscore the role of federal regulators in ensuring compliance and preventing health care fraud.

Impact on health care industry

Scrutiny of UnitedHealth’s business practices may affect policies, regulations and the operation of Medicare Advantage programs across the United States.

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Behind the numbers

UnitedHealth Group's Medicare and retirement segment brought in $139 billion in sales last year and the company earned over $400 billion in total revenue.

Context corner

Medicare Advantage plans are private insurance alternatives to traditional Medicare that have grown rapidly in recent years and now serve over half of all Medicare beneficiaries. Scrutiny has increased as profits and government spending on these plans have risen.

Policy impact

The investigation could lead to stricter oversight or regulations for Medicare Advantage plans, affecting how private insurers manage billing, compliance and patient documentation, with possible downstream effects on premiums and coverage.

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Fear No Fact.

Don't just take our word for it.


Center-rated reporting

According to media bias experts at AllSides

AllSides Center-rated reporting May 2026

Transparent and credible

Awarded a perfect reliability rating from NewsGuard

100/100

Welcome back to trustworthy journalism.

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Bias comparison

  • Media outlets on the left frame the Department of Justice investigation into UnitedHealth as a severe crisis spotlighting potential Medicare fraud, emphasizing “criminal, civil investigations” and a “tumultuous” corporate period marked by cyberattacks and leadership turmoil, using emotionally charged terms like “historic” and highlighting possible unethical billing.
  • Media outlets in the center stress procedural cooperation and challenge premature accusations with neutral terms and stress independent audits affirming compliance.
  • Media outlets on the right acknowledge the probe but contextualize it within broader market pressures, CEO tragedy and a significant stock decline, deploying charged phrases such as “admits DOJ fraud probe” and “vows compliance” to imply suspicion while underscoring corporate resilience.

Media landscape

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Key points from the Left

  • UnitedHealth Group is undergoing a Justice Department investigation regarding its Medicare billing practices and possible Medicare fraud.
  • The Wall Street Journal reported that the DOJ is looking into possible Medicare fraud involving UnitedHealth's practices.
  • The company affirmed its commitment to the Medicare Advantage program amid scrutiny and significant operational challenges.

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Key points from the Center

  • Amid media scrutiny, UnitedHealth Group disclosed on Thursday, July 24, it is facing a Justice Department investigation over its Medicare billing practices, highlighting its role as the nation's largest private insurer.
  • Earlier this year, The Wall Street Journal reported a civil fraud investigation into diagnosis recording for extra Medicare Advantage payments, marking the second federal scrutiny of its MA business this year.
  • In a securities filing, the company noted UnitedHealth Group has started complying with formal criminal and civil requests from federal investigators, and it launched a third-party review of its business policies and performance metrics.

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