Lawmakers Move to Block Medicare's AI-Driven Prior Authorization Pilot

Introduction

Congressional Democrats from both chambers have introduced resolutions aimed at halting a controversial Medicare pilot program that relies on artificial intelligence to approve or deny medical services. The initiative, known as the Wasteful and Inappropriate Service Reduction (WISeR) program, has drawn sharp criticism after reports emerged of delayed care for older adults in at least one of the six states where it is currently being tested. The latest push for a vote comes on the heels of a Government Accountability Office (GAO) ruling that determined the program required congressional approval before it could take effect in January.

Overview of the Resolution

Senators and House members have filed identical resolutions under the Congressional Review Act (CRA) to force a floor vote on terminating the WISeR pilot. The CRA allows Congress to overturn federal agency rules by a simple majority, effectively reversing the program's implementation. Sponsors argue that the Centers for Medicare & Medicaid Services (CMS) bypassed the legislative process by launching the pilot without proper notice or opportunity for public comment. The resolutions demand that CMS suspend the AI-based system until it undergoes full congressional scrutiny.

The WISeR Program and Its Controversy

The WISeR program was designed to reduce wasteful spending in Medicare by using an AI algorithm to automatically review certain service requests before they are approved. In theory, this would streamline prior authorization and flag potentially unnecessary procedures, saving taxpayer dollars. However, healthcare providers and patient advocacy groups have raised alarms about the technology's accuracy and transparency. In particular, they point to the lack of human oversight in decisions that can directly affect seniors' access to care.

Allegations of Delayed Care

According to reports, the AI system has been linked to delays in treatments for Medicare beneficiaries in at least one participating state. Patients requiring urgent surgeries or specialist consultations faced extended waits while the algorithm processed their cases. Doctors complained that the system's denials often came with insufficient explanation, forcing them to spend hours on appeals. Critics say this undermines the very purpose of Medicare—to provide timely, reliable healthcare to older Americans.

GAO Ruling Sparks Congressional Action

Last week, the GAO issued an opinion stating that the WISeR program constitutes a rule under the Administrative Procedure Act. Because CMS did not submit the program to Congress for review before its January launch, the GAO concluded the agency violated the law. This finding gave Democrats the legal ammunition needed to introduce the CRA resolutions. Under the CRA, once a rule is submitted, Congress has 60 legislative days to pass a joint resolution of disapproval. The GAO ruling effectively resets that clock, giving lawmakers a fresh window to strike down the pilot.

Implications for Medicare and AI in Healthcare

The dispute over WISeR highlights a broader tension in healthcare policy: the drive to contain costs versus the need to ensure patient access. As artificial intelligence becomes more prevalent in clinical decision-making, questions about accountability, bias, and due process grow louder. If Congress succeeds in overturning the pilot, it could set a precedent requiring stricter oversight of AI tools used in federal health programs. On the other hand, proponents of the system warn that killing WISeR may slow innovation and allow wasteful spending to continue unchecked.

In the meantime, seniors in the six pilot states—Florida, Texas, California, New York, Ohio, and Illinois—remain caught in the crossfire. Patient advocates urge CMS to pause the program voluntarily until the congressional process plays out. They call for more pilot studies that include independent evaluations of the AI's impact on health outcomes and wait times. The coming weeks will determine whether the resolutions gain enough bipartisan support to force a vote. If they do, the debate over AI in Medicare will move from the agency level to the floor of the House and Senate.

For now, the fate of the WISeR program hangs in the balance, as lawmakers weigh efficiency gains against the very real human costs of automated decision-making.