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.

Modernizing Public Health Data: Best Practices for Cloud Strategies and Management

As public health systems modernize, many agencies are transitioning from on-premise servers to cloud platforms that offer scalability, automation, and cost efficiency. In this blog, Mike Suralik outlines key strategies for cloud migration—covering FinOps, automation, and real-world lessons that help agencies improve agility, manage costs, and build resilient data systems for the future.

HLN Releases ICE with Support for Updated COVID-19 Vaccine Recommendations and Core Technical Enhancements

HLN has released an updated version of the open-source Immunization Calculation Engine (ICE) with support for revised COVID-19 vaccine recommendations and core technical enhancements. The release includes updated seasonal COVID-19 logic for pediatric patients and infrastructure improvements to simplify deployment for IIS and EHR implementers.

Reflecting on the AIM 2025 Leadership in Action Conference

Reflections from the AIM 2025 Leadership in Action Conference provide an opportunity to celebrate the milestones and successes immunization program managers, staff and partners achieved together this year and look ahead to 2026!

Affiliations

Standards Development Membership