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As AI's role in healthcare grows, senators are probing whether insurers use these technologies to unjustly deny critical care to seniors.
The use of artificial intelligence (AI) in healthcare has been a double-edged sword. On one hand, it promises faster and more accurate diagnoses. On the other, there are growing concerns that it might be used to deny or delay essential medical treatments. Now, two bipartisan senators are taking action to address these concerns, particularly within Medicare Advantage.
Senators Richard Blumenthal (D-Conn.) and Josh Hawley (R-Mo.) have launched a probe into how the nation's largest Medicare Advantage insurers-UnitedHealth Group, Humana, and CVS Health-are using AI to manage care decisions. Specifically, they are investigating whether these companies are leveraging AI to deny or delay rehabilitative care for their senior beneficiaries.
The senators have requested documents from these insurers related to their use of AI in making coverage determinations. This move comes after a three-year investigation by STAT News reporters Casey Ross and Bob Herman, who found that large health insurers were increasingly relying on automated systems to scrutinize and often reject requests for rehabilitative care.
Rehabilitative care is crucial for seniors recovering from surgeries, strokes, or other serious conditions. It can mean the difference between regaining independence and facing long-term disability. The use of AI in these decisions raises significant ethical and practical questions about transparency, accountability, and patient outcomes.
One key player in this story is NaviHealth, a company that has been contracted by several insurers to review care requests using AI algorithms. According to Ross and Herman's investigation, which was a Pulitzer Prize finalist, NaviHealth's automated systems have often resulted in denials of necessary care.
The senators are particularly interested in understanding how these AI tools make decisions and whether they are being used to cut costs at the expense of patient well-being. They want to see the algorithms, the data inputs, and any internal reviews or audits that have been conducted on these systems.

Blumenthal, a longtime advocate for consumer protection, stated, "We need to ensure that AI is not being used as a tool to deny essential care to our most vulnerable citizens. Transparency and accountability are non-negotiable in healthcare."
Hawley added, "The elderly and disabled deserve the best possible care without unnecessary barriers. We will get to the bottom of how these decisions are being made and make sure that insurers are not using AI to skirt their responsibilities."
The implications of this investigation extend beyond just Medicare Advantage beneficiaries. As AI becomes more integrated into healthcare, the principles of transparency and fairness must be upheld. If insurers are found to be misusing these technologies, it could set a dangerous precedent for how AI is used in other areas of medical decision-making.
The findings from this probe could lead to new regulations or guidelines that ensure AI systems are designed with patient safety and well-being at their core. For seniors who rely on Medicare Advantage, this investigation could mean the difference between receiving timely care and facing unnecessary delays or denials.
As the use of AI in healthcare continues to evolve, it is crucial that policymakers, insurers, and technology developers work together to ensure that these tools are used ethically and effectively. The actions of Senators Blumenthal and Hawley represent a significant step toward achieving this goal and protecting the rights of all patients.
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Medicare Advantage insurers face new bipartisan scrutiny over AI and care denials
↗ https://www.statnews.com/2026/07/15/medicare-advantage-ai-care-denials-probe-blumenthal-hawley
About the author
Amara's entry point into AI was an epidemiology role at a London research hospital, where she spent five years studying how digital health tools reached — or conspicuously failed to reach — underserved communities. Watching early algorithmic systems in healthcare quietly entrench existing inequalities, she redirected her career toward the systemic consequences of AI at scale. She covers AI through an unflinching lens: who benefits, who bears the cost, and what evidence actually says versus what the press release claims. Her writing is calm and precise, but she doesn't mistake balance for neutrality.
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