Feature EMR (Electronic Medical Record) EHR (Electronic Health Record)
Scope of data Single provider or practice Multiple providers and organizations
Interoperability Limited, data stays within one practice Built for cross-system data exchange
Patient data portability Requires manual export to share records Accessible by authorized providers anywhere
Standards compliance Basic HL7 support Full HL7 FHIR R4, ICD-10, SNOMED CT
Use case Internal clinical documentation Coordinated, longitudinal care
Regulatory reporting Limited, often not CMS-compatible Supports Meaningful Use / MIPS reporting
Integration with third parties Minimal Labs, pharmacies, payers, specialists
Implementation complexity Lower Higher
Best for Small clinics, independent practices Hospitals, IDNs, ACOs, telehealth