HLN Consulting – Public Health Informatics & Open Source Experts

“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.

Who We Are

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)

Open Source immunization evaluation and forecasting

Replacing a decommissioned product with a well-supported system while adding a useful enhancement

Ensuring successful system migration

Leveraging a proven methodology and tools to operationalize a new immunization information system (IIS)

Recent Blog Posts

Leveraging the ICE Open Source Immunization Forecaster during COVID

Like many things in the age of COVID, the vaccine development landscape is
unlike anything we have seen in our lifetimes. There are over 100 SARS vaccines currently in development, many of which are utilizing new technologies not used in any currently licensed vaccine. The potential impact on immunization schedules (clinical guidelines for clinicians) and immunization clinical decision support is significant.

Immunization Calculation Engine (ICE) to Continue Support for the Hepatitis B Birth Dose and Series Completion

The open-source Immunization Calculation Engine (ICE) evaluation and forecasting software will continue to support the hepatitis B birth dose and hepatitis B series completion, in line with the evidence base supporting these recommendations.

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.

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.

Affiliations

Standards Development Membership