Healthcare Interoperability Standards Consulting

Health Information Exchange, Document Exchange XDS/XCA/MHD, mHealth, Meaningful Use, Direct, Patient Identity, Provider Directories, FHIR, Consent, Access Control, Audit Control, Accounting of Disclosures, Identity, Authorization, Authentication, Encryption, Digital Signatures, Transport/Media Security, De-Identification, Pseudonymization, Anonymization, and AI Transparency.

John Moehrke

Recognized Healthcare Exchange, Security, and Privacy Expert

With over 25 years of experience, I enable privacy-respecting Health Information Exchange and secure data use across global healthcare systems. As Co-Chair of HL7 Security Working Group and IHE IT-Infrastructure, I drive the development of international healthcare interoperability standards.

Standards Leadership

Author and editor of numerous international and regional Implementation Guides (IG) that shape global healthcare data exchange, including FHIR security frameworks and privacy consent models.

Real-World Impact

My work with MyHealtheVet benefits over 7 million Veteran patients through standards-based health information exchange, FHIR patient access, FHIR Consent implementation, and FHIR patient-generated health data capabilities.

Contact Information

+1-920-564-2067
johnmoehrke@gmail.com
Signal: JohnMoehrke.08
LinkedIn Profile
Healthcare Security Blog

Services

Specialized consulting in healthcare interoperability standards

Standards Development

FHIR standards development, profile creation, and implementation guide authoring for healthcare interoperability.

Implementation Guides

Development and editing of HL7 and IHE implementation guides that shape global healthcare data exchange.

Security & Privacy

Expert consultation on healthcare security architecture, digital signatures, privacy consent models, and audit/provenance transparency.

Health Information Exchange

Design and implementation of secure and privacy respecting data movement between healthcare stakeholder systems.

Trustable AI

Implementation of AI transparency frameworks using FHIR Provenance for healthcare decisions.

Training & Education

FHIR privacy and security tutorials, certification programs, and mentoring for implementation guide authors.

Significant Projects

Key contributions to healthcare interoperability

ByLight Professional IT Services

2016-2025
  • VHA Health Exchange - XCA/CDA and patient controlled w/ FHIR Consent (2016-2020)
  • VHA MyHealtheVet - FHIR Patient Generated Health Data – FHIR architect (2020-2022)
  • VHA MyHealtheVet - va.gov frontend redesign – FHIR architect (2022-2025)

HL7 Leadership

1999-present
  • FHIR Security Education Events - technical coordinator
  • FHIR Core - DocumentReference, Imaging, Security, and Privacy
  • AI Transparency Implementation Guide
  • FHIR Data Segmentation for Privacy (DS4P)
  • FHIR Community Process
  • FHIR International Patient Summary (IPS)

IHE IT-Infrastructure

1999-2025
  • Document Sharing Health Information Exchange
  • Basic Audit Log Patterns (BALP)
  • Privacy Consent on FHIR (PCF)
  • Mobile Health Document Sharing (MHDS)
  • Mobile Access to Health Documents (MHD)
  • Mobile Cross-Enterprise Document Data Element Extraction (mXDE)
  • Sharing of IPS (sIPS)
  • Document Digital Signature (DSG)

Recent Recognition

John Quinn HL7 Fellowship Award - Recognized for outstanding contributions to healthcare interoperability standards

Technical Expertise

Comprehensive skills in healthcare interoperability standards

Healthcare Standards

HL7 FHIR FHIR R4 us-core IPS CDA DICOM IHE XDS IHE MHD

Security & Privacy

OAuth OpenID Connect SAML Digital Signatures Certificate Management De-identification Pseudonymization Federated Identity Provenance Audit Trails Data Integrity Data Sensitivity

Technical Tools

IG Publisher Sushi (FSH) GitHub HAPI FHIR Markdown YAML JSON XML XSLT PlantUML Mermaid Gherkin Python Pandoc

Get In Touch

Ready to discuss your healthcare interoperability project?

Phone

+1-920-564-2067

LinkedIn

John Moehrke