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Most large health systems have spent the last several years working toward a single, unified EHR platform. But getting there is rarely quick, and health systems multiple EHR consolidation projects continue at some of the country’s largest hospital networks. Mergers, acquisitions and phased rollouts mean many of the biggest hospitals and health systems are still operating on more than one core EHR while they work toward consolidation.
UPMC’s Health Systems Multiple EHR Consolidation Journey
UPMC has been running nine separate EHRs, the result of decades of mergers and acquisitions. Its core systems today are Oracle Health, formerly Cerner, on the inpatient side and Epic for ambulatory care. The Pittsburgh-based health system announced in 2023 that it would consolidate to a single Epic platform, with a target of mid-2026.
Progress Toward a Single Platform
As of a February 2026 update, about 40% of the organization had converted to the unified platform, with the remaining 60% scheduled to convert that spring, marking significant progress in this health systems multiple EHR consolidation effort.
CommonSpirit Health’s Multi-Region EHR Portfolio
CommonSpirit has been operating with more than 10 different EHRs across its five regions, including four distinct instances of Epic, following its 2019 merger of Catholic Health Initiatives and Dignity Health. As of a May 2026 investor call, the 137-hospital system had reduced its EHR portfolio from 19 systems to 11, with 65% of the organization live on Epic through its “OneEHR” initiative.
Running Ahead of Schedule
Full consolidation is targeted for 2030, and executives say the system is running about two years ahead of that schedule, a notable pace given the scale of this health systems multiple EHR consolidation undertaking.
Northwell Health’s $1.2 Billion Consolidation Effort
New York’s largest health system is in the middle of a $1.2 billion, multiyear project to consolidate more than 30 core EHRs across its 28 hospitals and hundreds of ambulatory sites onto a single Epic platform. Northwell completed its first major go-live in its Western Region in November 2025 and its second, larger wave, covering nine hospitals and about 42,000 users in its Central Region, in mid-2026.
A Rollout Extending Beyond the Core EHR
The rollout also includes more than 15 specialty systems and roughly 200 additional applications still being replaced, illustrating how complex health systems multiple EHR consolidation efforts often extend well beyond the primary EHR platform itself.
Trinity Health’s Path to the Largest Single-Instance Epic Deployment
The 92-hospital Catholic system has been consolidating a collection of legacy EHRs into a single Epic instance as part of an $800 million rollout, expected to make it the largest single-instance Epic user in the country. The project was in its 12th and final implementation wave as of early 2026, with Loyola Medicine in Maywood, Illinois, among the last sites to go live.
A Timeline Delayed by Cyberattack Fallout
The timeline was pushed back roughly eight months following the Change Healthcare cyberattack, showing how external cybersecurity events can meaningfully disrupt even well-planned health systems multiple EHR consolidation schedules.
HCA Healthcare’s Meditech Expanse Rollout
HCA has been rolling out Meditech Expanse across its hospitals in a multiyear enterprise deployment, building on a decades-long partnership with Meditech. The health system brought the platform live to 43 hospitals in January 2026, with plans to extend it to additional facilities over time, meaning different HCA hospitals are currently running different EHR configurations during the transition.
A Different Vendor Path Than Its Peers
Unlike UPMC, CommonSpirit, Northwell, and Trinity Health, all of which are consolidating around Epic, HCA’s continued partnership with Meditech represents an alternative path within the broader landscape of health systems multiple EHR consolidation strategies nationwide.
What This Means for the Future of EHR Consolidation
With projects ranging from $800 million to $1.2 billion in scale and timelines stretching from 2026 through 2030, these health systems multiple EHR consolidation efforts illustrate just how resource-intensive unifying a health system’s technology infrastructure has become, particularly following waves of hospital mergers and acquisitions over the past decade. As with any actively developing story, timelines and completion percentages for these systems may shift; readers should verify current status through each organization’s latest public updates.
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