HL7/fhir
Nov 2024 – Dec 2025
6 Months active
Languages Used
JavaHTMLMarkdownXML
Technical Skills
Data ModelingFHIRXMLAPI DevelopmentBackend DevelopmentConfiguration Management
Rob Hausam
PROFILE
Rob Hausam
Over six months, Rick Hausam enhanced the HL7/fhir repository by delivering twenty features and resolving eight bugs focused on healthcare data standards. He improved vital signs profiling, introduced comparator-based bounds for clinical observations, and refined data models to align with FHIR and LOINC standards. Rick’s work involved backend development, data modeling, and documentation using XML and Java, with careful attention to interoperability and data validation. He also advanced ballot readiness for device-related resources and strengthened governance through detailed documentation updates. The depth of his contributions ensured more precise, reliable clinical data exchange and improved readiness for normative FHIR releases.
Overall Statistics
Feature vs Bugs
71%Features
Repository Contributions
53Total
Bugs
8
Commits
53
Features
20
Lines of code
4,457
Activity Months6
Your Network
50 people
Work History
December 2025
6 Commits • 2 Features
Dec 1, 2025December 2025 monthly summary focusing on delivering ballot readiness features and documentation improvements across HL7/fhir. Key areas: Observation Resource Documentation Updates and Ballot Feedback; Ballot Readiness Updates for Device Family (Device, DeviceDefinition, DeviceRequest, DeviceAssociation). Impact: enhanced documentation visibility, stakeholder feedback loops, and readiness for normative status; CanonicalResource updates and owner removal planning. Skills demonstrated include documentation architecture, cross-resource coordination, governance in standardization, and contributing to the normative trajectory of FHIR resources.
6 Commits • 2 Features
Dec 1, 2025December 2025 monthly summary focusing on delivering ballot readiness features and documentation improvements across HL7/fhir. Key areas: Observation Resource Documentation Updates and Ballot Feedback; Ballot Readiness Updates for Device Family (Device, DeviceDefinition, DeviceRequest, DeviceAssociation). Impact: enhanced documentation visibility, stakeholder feedback loops, and readiness for normative status; CanonicalResource updates and owner removal planning. Skills demonstrated include documentation architecture, cross-resource coordination, governance in standardization, and contributing to the normative trajectory of FHIR resources.
December 2025
November 2025
4 Commits • 2 Features
Nov 1, 2025November 2025 (HL7/fhir): Delivered three core changes across measurement-property handling, nutrition code systems, and Observation resource documentation. The work improved data integrity, interoperability, and maintainability for adopters and downstream systems.
November 2025
4 Commits • 2 Features
Nov 1, 2025November 2025 (HL7/fhir): Delivered three core changes across measurement-property handling, nutrition code systems, and Observation resource documentation. The work improved data integrity, interoperability, and maintainability for adopters and downstream systems.
October 2025
2 Commits • 1 Features
Oct 1, 2025Oct 2025 monthly summary for HL7/fhir: Delivered enhancement to Observation.referenceRange by introducing comparator-based low/high bounds (exclusive bounds) and added a committee-notes field to document the rationale for datatype changes. This improves data precision, governance, and alignment with the FHIR specification, enabling more reliable clinical data representation and traceability of decisions.
2 Commits • 1 Features
Oct 1, 2025Oct 2025 monthly summary for HL7/fhir: Delivered enhancement to Observation.referenceRange by introducing comparator-based low/high bounds (exclusive bounds) and added a committee-notes field to document the rationale for datatype changes. This improves data precision, governance, and alignment with the FHIR specification, enabling more reliable clinical data representation and traceability of decisions.
October 2025
May 2025
1 Commits
May 1, 2025May 2025: Delivered a targeted bug fix in HL7/fhir to align vital signs data with FHIR standards by moving the 'interoperability standard' code from the category field back to the code field in vital signs profiles. Implemented as a focused refactor, accompanied by a single commit that updates vital signs profiles to ensure data consistency and interoperability across systems.
May 2025
1 Commits
May 1, 2025May 2025: Delivered a targeted bug fix in HL7/fhir to align vital signs data with FHIR standards by moving the 'interoperability standard' code from the category field back to the code field in vital signs profiles. Implemented as a focused refactor, accompanied by a single commit that updates vital signs profiles to ensure data consistency and interoperability across systems.
March 2025
39 Commits • 14 Features
Mar 1, 2025March 2025 HL7/fhir monthly summary: Consolidated Vital Signs profiling enhancements and stability improvements across the Vital Signs and BP profiles, advanced constraint management, introduced UCUM code support, expanded data model coverage, and cleaned up narrative/constraints to improve interoperability and release readiness. The work delivers concrete business value by increasing conformance, enabling more accurate vital signs data capture, and accelerating readiness for forthcoming releases.
39 Commits • 14 Features
Mar 1, 2025March 2025 HL7/fhir monthly summary: Consolidated Vital Signs profiling enhancements and stability improvements across the Vital Signs and BP profiles, advanced constraint management, introduced UCUM code support, expanded data model coverage, and cleaned up narrative/constraints to improve interoperability and release readiness. The work delivers concrete business value by increasing conformance, enabling more accurate vital signs data capture, and accelerating readiness for forthcoming releases.
March 2025
November 2024
1 Commits • 1 Features
Nov 1, 2024Month: 2024-11 — Delivered Vital Signs Value Set Filtering Enhancement in HL7/fhir by updating the Observation Vital Signs profile to use LOINC 'in' filter, enabling precise code filtering. This change, linked to FHIR-48766, was implemented via commit f628a0a04e4d90b856905ca093b49f6d89b8d5a2. No additional major bugs reported in this repository this month. Impact: improves data quality, interoperability, and reliability of vital signs data for clinical decision support and analytics. Skills demonstrated: FHIR profiling, LOINC value-sets, profile-level configuration, and change management.
November 2024
1 Commits • 1 Features
Nov 1, 2024Month: 2024-11 — Delivered Vital Signs Value Set Filtering Enhancement in HL7/fhir by updating the Observation Vital Signs profile to use LOINC 'in' filter, enabling precise code filtering. This change, linked to FHIR-48766, was implemented via commit f628a0a04e4d90b856905ca093b49f6d89b8d5a2. No additional major bugs reported in this repository this month. Impact: improves data quality, interoperability, and reliability of vital signs data for clinical decision support and analytics. Skills demonstrated: FHIR profiling, LOINC value-sets, profile-level configuration, and change management.
Activity
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Quality Metrics
Correctness90.6%
Maintainability89.4%
Architecture88.8%
Performance82.4%
AI Usage20.4%
Skills & Technologies
Programming Languages
HTMLJavaMarkdownXML
Technical Skills
API DevelopmentBackend DevelopmentConfiguration ManagementData ManagementData ModelingData ValidationDocumentationFHIRFHIR SpecificationFHIR StandardsFHIR standardsFront end developmentHealthcare Data StandardsHealthcare StandardsSchema Development
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