Dennis Patterson Email & Phone Number

Carpinteria, CA, US

Kansas City, Missouri, US

• Responsible for platform infrastructure strategy of Open Platform products including FHIR, SMART, SMART Health Cards, Clinical Decision Support (CDS) Hooks, and Bulk FHIR Export
• Created design, provided technical leadership to engineering team, and coordinated with dependency teams to build CDS Hooks Client platform, enabling decision support via web services at the Department of Veterans.
• Collaborated with Apple on design to store encryption keys to enable consumers on iOS 15 to share Millennium FHIR records with healthcare providers
• Created design and provided technical leadership to engineering team to accomplish export of Millennium FHIR data to S3 across patient populations through a managed work queue and asynchronous processing
• Provided design input for implementation of SMART Health Cards specification and Vaccine Credential Initiative profile to enable consumer devices to retrieve and share COVID-19 vaccination status
• Led migration from AWS API Gateway to Google’s Apigee API Management Platform across Millennium and Soarian-based FHIR APIs

Kansas City, Missouri, US

• Enabled contributions to FHIR server and achievement of Meaningful Use Stage 3 certification by providing hours of instruction to team on server architecture, development process, and planned enhancements
• Collaborated with Apple to allow any consumer device running at least iOS 11.3 to use FHIR APIs to retrieve personal health records from a partnering institution
• Led adoption of AWS API Gateway for FHIR traffic management, leveraging CloudFront, Lambda, CloudFormation, and CodePipeline
• Led initiative to migrate FHIR server deployments from Chef-managed to containerized deployments with Docker
• Advocated for observability improvements through team adoption of New Relic and increased Splunk monitoring consistency by capturing configuration in version control
• Created bi-weekly Architecture Sync meetings for technical leadership to collaborate across products

Kansas City, Missouri, US

• Created Ruby on Rails prototype to implement HL7’s FHIR specification to expose Cerner Millennium data via standard ReST APIs for healthcare
• Within 100 days, led implementation efforts to mature FHIR prototype into a cloud-hosted multi-tenant production server with 10 APIs consumed by Geisinger and xG Health’s EnrG Rheum application, demoed at HIMSS 2015
• Built engineering team to expand Cerner’s FHIR API footprint, providing instruction on web service principles, Ruby on Rails, the FHIR specification, and software design
• Supported Dentrix consumption of FHIR APIs and production go-live at Department of Defense
• Created fhir.cerner.com static documentation site on GitHub pages to advertise Cerner’s FHIR support and enable 3rd party API consumption
• Presented and demoed to clients and 3rd party developers at Cerner Health Conference’s Solutions Gallery

Kansas City, Missouri, US

• Managed and trained team of inexperienced engineers to complete order workflow enhancements, enabling Cerner to achieve certification for Surescripts v10.6 and Electronic Prescribing for Controlled Substances (EPCS)
• Equipped team and created culture of learning by leading book studies on software design and best practices, giving over 45 presentations spanning >40 hours of content, facilitating lightning talk sessions (giving 25.
• Authored 20 blog posts for engineering community on growing as a software developer and sharing relevant industry news and content
• Invited to present to engineering organization on topics such as code review principles and creating a team culture of learning
• Led efforts to reduce order profile service’s design complexity and ease of consumption through elimination of Hibernate dependencies
• Authored Ruby scripts to aid development process by detecting orphaned branches in SVN, detecting stalled Crucible code reviews, and viewing team review distribution

Kansas City, Missouri, US

• Provided design oversight into prescription routing enhancements, enabling Cerner’s achievement of SureScripts/CCHIT e-prescribing certification
• Designed Java SDKs for loading orders reference data to support Cerner’s first computerized provider order entry (CPOE) project targetting mobile devices
• Developed data crawler to extract medication orders data model into protocol buffers for upstream big data processing and enable automated detection of sepsis in patients
• Delivered presentations to support organization on key order services enhancements
• Production support of patient order query APIs

Kansas City, Missouri, US

• Designed team enhancements and defect corrections for orders query and management services
• Delivered enhancements to uplift paged patient order retrieval from proprietary CCL scripting to JDBC with JPA/Hibernate
• Implemented Java SDK to create orders and manage order lifecycle
• Onboarded and mentored new developers in team processes, domain knowledge, software best practices, and team assets
• Assisted developers in troubleshooting reported issues
• Facilitated lab exercises for engineering organization’s recurring Enterprise Server Troubleshooting class

Kansas City, Missouri, US

• Implemented and tested Java SDKs and RPC services designed to retrieve patient orders, order catalog items, and user privileges from Oracle relational database
• Executed performance tests to evaluate service capacity, hardware consumption, and tune SQL queries for optimal index consumption
• Support team assets, troubleshoot reported bugs, and enable API consumption by other teams
• Participate in peer code reviews and defining best practices
• Completed Sun Certified Java Programmer certification
• Received IP Development Best Project Award for creating services to enable enhanced viewing of patient orders in PowerChart EHR

Bs, Computer Science

Bs, Computer Science