RP Builds AI Mosaic as Company’s IT Foundation

Radiology Partners announced a new initiative to guide the rollout of AI across its nationwide network of radiology practices. The company’s new MosaicOS will be the IT foundation that connects RP practices and supports clinical uses from AI-assisted reporting to report generation and even image management.

Radiology Partners has grown since its founding in 2012 to become the largest privately held provider of imaging services in the U.S. and a major force behind the consolidation of private-practice radiology groups.

  • RP has always maintained a heavy technology investment, and has been looking closely at the rise of AI in radiology.

That’s because the growth in imaging volume is so massive that clinicians will no longer be able to care for patients adequately without AI’s assistance, at least according to RP’s Associate Chief Medical Officer for Clinical AI Nina Kottler, MD.

RP laid the groundwork for MosaicOS in 2020 by first migrating its technology stack to a cloud-native infrastructure. 

  • This frees RP from reliance on on-premises legacy software and enables the company to push out updates that can be adopted quickly across its network.

RP’s Mosaic rollout includes the following components as the company…

  • Forms a new division, Mosaic Clinical Technologies, to oversee its AI activities.
  • Debuts MosaicOS, a cloud-native operating system that combines AI support with workflow and other IT tools.
  • Launches Mosaic Reporting, an automated structured reporting solution that combines ambient voice AI with large language model technology.
  • Develops Mosaic Drafting, a multimodal AI foundation model that pre-drafts X-ray reports that radiologists can review, edit, and sign. 

Mosaic Reporting is already in use at some RP sites, and the company is pursuing FDA clearance for broader use of Mosaic Drafting. More Mosaic applications are on the way.

  • Mosaic tools will be disseminated to RP centers using the cloud-native infrastructure, and MosaicOS will include image management functions that providers can choose to use in place of or alongside existing tools like viewers and archives. 

Kottler told The Imaging Wire that RP has de-emphasized individual pixel-based AI models in favor of foundation models that have broader application.

  • What’s more, RP CEO Rich Whitney said the company has chosen to develop AI technology internally rather than rely on outside vendors, as this gives it greater control over its own AI adoption.

The Takeaway

The launch of MosaicOS marks an exciting milestone not only for Radiology Partners but also for radiology in general that could address nagging concerns about clinical AI adoption on a broad scale. RP has not only the network but also the technology resources to make the rollout a success – the question is whether outside AI developers will share in the rewards.

RadPartners + Envision Consolidate Imaging Services

In a stunning consolidation of the imaging services segment, Radiology Partners has agreed to take over radiology contracts currently held by debt-laden national medical group Envision Healthcare. The agreement could bring up to 100 imaging sites and hundreds of radiologists into the RadPartners fold. 

The takeover is a remarkable comedown for Envision, which was once one of the largest national medical practices in the U.S. and employed some 25k physicians when it was acquired in 2018 by private equity giant KKR. 

  • Envision’s business crossed multiple medical specialties, with its radiology operation at one point employing 800 radiologists who performed over 10 million reads per year. 

But Envision struggled under a $5.3B debt load imposed by the KKR buyout, and eventually filed for Chapter 11 bankruptcy protection in 2023 in a move that also included spinning off its ambulatory surgery business. 

  • Many industry observers have viewed Envision’s rise and fall as a cautionary tale illustrating the perils of private-equity investment in American medicine.

Radiology Partners itself has evolved into the giant of the imaging services segment as it rolls up local radiology practices into a massive national network. Under the agreement with Envision, RP will … 

  • Take over Envision’s contracts with some 95 client sites, including teleradiology. 
  • Potentially bring some 400 Envision radiologists onboard (assuming they want to join RP).

The question is, how many Envision radiologists will choose to go with the contracts and join Radiology Partners? 

  • Speculation on industry bulletin board RadHQ.net proposes that Envision radiologists will be offered new contracts with RP – contracts that they can take or leave.

The Takeaway

Radiology Partners’ takeover of Envision’s radiology contracts will only enhance RP’s dominance of the imaging services market, which is already significant. While that may be good news to RP’s investors, it probably won’t be encouraging to those worried about the inexorable corporatization of radiology. 

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