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Major EHR Vendors: Epic, Oracle Health, MEDITECH & Beyond

Duration: 40 min · Level: Foundational · Module: 1. The EHR Ecosystem · Focus: Epic, Cerner, MEDITECH, vendors, EHR

Learning objectives

By the end of this lesson you will be able to explain and apply:

  • Epic Systems
  • Oracle Health (formerly Cerner)
  • MEDITECH
  • Athenahealth
  • Allscripts/Veradigm

Why this matters​

Six vendors control over 80% of the US hospital EHR market.

Overview​

Six vendors control over 80% of the US hospital EHR market. As a CEHRS specialist, you will encounter these systems throughout your career. Understanding their strengths, typical clients, and core modules is essential for both the exam and practical work.

Key concepts​

Key idea

Epic Systems: ~35% market share in US hospitals; dominates large academic medical centers (Mayo Clinic, Cleveland Clinic, Kaiser Permanente); known for MyChart patient portal and strong interoperability via Care Everywhere

  • Oracle Health (formerly Cerner): ~25% market share; strong in mid-size hospitals and federal health (VA, DoD after $10B DHMSM contract); uses HealtheIntent population health platform
  • MEDITECH: dominant in critical access hospitals and smaller community hospitals; MEDITECH Expanse (cloud-based) is their current platform; ~15% market share
  • Athenahealth: strongest in physician practices and ambulatory settings; cloud-native, subscription model; ~10% of ambulatory market; known for revenue cycle integration
  • Allscripts/Veradigm: primarily physician practices; declining market share after major hospital clients left; stronger in specialty practices
  • EHR module structure: all major systems divide into clinical (physician, nursing, pharmacy), administrative (scheduling, registration), and financial (billing, coding, claims) modules

Check your understanding​

Try to recall each answer before expanding it.

Q1. What do you know about Epic Systems?

~35% market share in US hospitals; dominates large academic medical centers (Mayo Clinic, Cleveland Clinic, Kaiser Permanente); known for MyChart patient portal and strong interoperability via Care Everywhere

Q2. What do you know about Oracle Health (formerly Cerner)?

~25% market share; strong in mid-size hospitals and federal health (VA, DoD after $10B DHMSM contract); uses HealtheIntent population health platform

Q3. What do you know about MEDITECH?

dominant in critical access hospitals and smaller community hospitals; MEDITECH Expanse (cloud-based) is their current platform; ~15% market share

Q4. What do you know about Athenahealth?

strongest in physician practices and ambulatory settings; cloud-native, subscription model; ~10% of ambulatory market; known for revenue cycle integration

Q5. What do you know about Allscripts/Veradigm?

primarily physician practices; declining market share after major hospital clients left; stronger in specialty practices

← Previous: C1.1 From Paper Charts to Interoperable Health Records · Next: C1.3 Anatomy of an EHR: Modules, Interfaces & Workflows →

Part of Module 1: The EHR Ecosystem.