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VA Drops Microsoft’s Nuance for a Smaller Rival as It Expands Ambient AI Scribes to Every Medical Center

The VA has deployed ambient AI scribes to all primary care teams nationwide, after passing over Microsoft's Nuance in favor of contracts with Abridge and a smaller rival, Knowtex.

VA Drops Microsoft’s Nuance for a Smaller Rival as It Expands Ambient AI Scribes to Every Medical Center

The Department of Veterans Affairs is in the middle of a nationwide rollout of ambient AI scribe technology to its medical centers throughout 2026, following a phased pilot that began in October 2025 at ten sites including Dallas, San Francisco, Miami, and Loma Linda. By June 2026, the Veterans Health Administration had deployed its Ambient Scribe tool to all VA Patient Aligned Care Team primary care providers nationwide, according to VA News, in one of the largest coordinated ambient AI deployments in American healthcare.

A notable vendor swap

The rollout comes with a twist that highlights how competitive the ambient scribe market has become: the VA originally announced its intent in July 2024 to award sole-source pilot contracts to Abridge and Nuance, the dictation and transcription company Microsoft acquired in 2022. But Nuance was ultimately not awarded a final contract, and the VA’s Digital Health Office instead signed with a company called Knowtex, alongside Abridge, according to a government contracting notice reviewed by Fierce Healthcare. The Abridge contract alone is reportedly worth $5.3 million, and the notice was dated June 23. Knowtex, for its part, was separately awarded a $15 million contract in October 2025 to deploy its own ambient documentation platform across the VA system, going live first at the Kansas City VA Medical Center that same month with direct integration into CPRS, the VA’s electronic health record.

How the tool works for veterans

The system is designed to capture natural patient-provider dialogue during an appointment and generate clinical documentation automatically, integrating directly with the VA’s electronic health record so that draft notes are inserted without a clinician needing to copy and paste anything manually. Veterans do not need to opt into or configure anything themselves; providers offer the ambient scribe as an option once it becomes available at their facility. In one account published by VA’s Digital Health Office, a veteran named John Brennan described feeling “truly heard and confident” during a visit where his provider used the tool, rather than spending much of the appointment typing notes into a computer.

How the pilot scaled into a national deployment

After the initial Kansas City go-live, Knowtex’s ambient scribe expanded to four additional pilot sites in January 2026 — Dallas, Miami, Loma Linda, and East Orange — before the VA gave the tool the green light for nationwide primary care implementation in February 2026. That expansion brought ambient scribe support to primary care documentation across 10 VISNs (the VA’s regional network structure) and 79 VA medical center locations, culminating in the June 2026 milestone of coverage across every VA Patient Aligned Care Team nationwide. Early pilot feedback was notably positive: all 18 clinicians who took part in one evaluation period said they wanted to continue using the ambient scribe afterward, with most reporting they saved one to two hours of after-hours documentation work.

Why the VA is moving so fast

The VA has faced persistent physician burnout and staffing shortages across its medical centers, mirroring the private sector’s well-documented struggle with EHR-driven documentation burden, and its Digital Health Office has treated ambient AI as one of the more immediately deployable fixes available compared to longer-term workforce and infrastructure investments. The agency’s plan calls for extending Ambient Scribe to select outpatient specialty care providers by summer 2026, with an enterprise contract extension anticipated by the end of the year — suggesting the current deployment is a bridge toward a longer-term, system-wide commitment rather than a one-time pilot.

The competitive undercurrent

The VA’s decision to pass over Nuance, despite Microsoft’s deep pockets and the VA’s existing use of other Microsoft government cloud infrastructure, is being read across the health-tech industry as a signal that newer, purpose-built ambient AI startups like Abridge and Knowtex have outcompeted incumbent dictation vendors on the specific task of structured clinical note generation. Nuance’s Dragon Copilot remains a major commercial product in the private sector, deployed across health systems in the U.S., Canada, and parts of Europe, but losing a marquee federal contract to two smaller rivals is a setback for Microsoft’s ambitions to dominate ambient documentation across both private and government health systems.

Reasons for caution

Veterans’ advocacy groups and some VA clinicians have raised concerns familiar from private-sector ambient AI rollouts: questions about whether veterans, many of whom deal with complex, trauma-related, or sensitive health histories, are adequately informed that their conversations are being recorded and processed by third-party AI systems, even when documentation is generated within the VA’s own secure infrastructure. Federal contracting watchdogs have also flagged that sole-source contract awards, of the kind used to bring on both Abridge and Knowtex, receive less competitive bidding scrutiny than open procurement processes, a tension the VA has said is justified by the urgency of addressing clinician burnout.

What’s next

The VA’s late-2026 enterprise contract extension will be the next major decision point, determining whether Abridge and Knowtex remain the agency’s ambient AI vendors long-term or whether the VA reopens bidding to a broader field that could include Nuance, Ambience Healthcare, or other competitors. The outcome will matter well beyond the VA itself: as the largest single integrated health system in the United States, VA vendor decisions often influence how other public and academic health systems evaluate the same ambient AI companies.