“We thrive on new challenges. At HLN Consulting, we are driven to excellence through collaborative partnerships—large and small—to help our public health informatics clients successfully deploy innovative, open source solutions. Through our commitment to strategic planning and data modernization, we continue to strengthen and enhance public health systems to meet both current and future challenges.”
– Dr. Noam Arzt, President
Welcome
HLN Consulting is a leading health information technology consulting company. Our mission is to enhance and support the capabilities of public health organizations and healthcare providers by providing high-quality consulting services, strategic planning, and software development including open source.
What We Do
Develop and maintain new or existing systems for our clients
Manage a process to ensure successful roll out of new systems
Devise innovative strategies to solve organizational challenges
Featured Solutions
IIS on FHIR®!
Leveraging a proven methodology and tools to operationalize a new immunization information system (IIS)
Read more >
Open Source immunization evaluation and forecasting
Replacing a decommissioned product with a well-supported system while adding a useful enhancement
Read more >
Ensuring successful system migration
Leveraging a proven methodology and tools to operationalize a new immunization information system (IIS)
Read more >Recent Blog Posts
Reflecting on the 2025 AMIA Annual Symposium
Reflecting on the 2025 AMIA Annual Symposium! Great content and networking in Atlanta. The “small but mighty” public health presence affirmed informatics’ crucial role in Public Health.
Read more >
ICE Adds Support for Evidence-Based COVID-19 Recommendations
HLN has released a new version of the open-source Immunization Calculation Engine (ICE) software, with key updates for COVID-19, mpox, and technical upgrades. This release adds support for evidence-based COVID-19 recommendations for the 2025-2026 season, in line with recommendations from the American Academy of Pediatrics and the American Academy of Family Physicians. Additionally, this release updates support for mpox vaccines and updates the ICE service to Java 21.
Read more >
HLN Consulting’s Aasa D Schmit Named a 2026 FAMIA Fellow
HLN Consulting is proud to announce that Aasa has been named a 2026 Fellow of the American Medical Informatics Association. This recognition highlights her longstanding leadership in applied informatics and her impact on strengthening public health systems. As HLN President Noam Arzt notes, “Aasa is one of the leading public health informatics experts in the country today…” Aasa will be formally inducted at the 2026 Amplify Informatics Conference in Denver.
Read more >Affiliations
Standards Development Membership
