AI-Driven Prior Authorization in Medicare: WISeR Model Overview

Traditional Medicare is moving toward incorporating AI-driven prior authorization processes, starting with a pilot program from the Centers for Medicare and Medicaid Services (CMS). Known as the Wasteful and Inappropriate Service Reduction (WISeR) model, this initiative demands additional approval for several procedures, including epidural steroid injections and spinal treatments. The six-year pilot affects specific services in New Jersey, Ohio, Oklahoma, Texas, Arizona, and Washington, impacting around 6.4 million Medicare beneficiaries.

The WISeR model aims to curtail excessive spending and fraudulent claims within Original Medicare, as explained by CMS administrator Mehmet Oz. While its objectives are clear, concerns are mounting that it may replicate issues common to Medicare Advantage, such as service delays and denials. A KFF report highlights these concerns, with Washington State reporting authorization delays of up to three weeks, surpassing pre-WISeR implementation timelines.

Feedback from stakeholders like Senator Maria Cantwell indicates that the authorization process could potentially override medical decisions, leading to delayed care. During an April Senate Finance Committee hearing, Health and Human Services Secretary Robert F. Kennedy Jr. acknowledged system difficulties and vowed to address them. David Lipschutz from the Center for Medicare Advocacy voiced alarm over the program's similarity to Medicare Advantage's drawbacks, worrying that financial incentives for contractors under WISeR could lead to more service denials.

The potential for WISeR's expansion poses further challenges, as indicated by Lipschutz, who noted plans for broader geographical reach and service coverage. Such a move could affect more Medicare beneficiaries, underscoring the need for careful evaluation of its impact on patient care and regulatory compliance requirements.