HLN Consulting – Public Health Informatics and 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

Timeline graphic outlining HLN’s IIS migration phases, from planning and stakeholder engagement to system go-live.

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.

HLN will see you at CSTE 2026 in Boston

HLN is excited to connect with public health experts, leaders, epidemiologists, informaticians and partners at the CSTE 2026 conference in Boston.

HLN Updates the Immunization Calculation Engine with Clinical and Technical Enhancements

HLN released ICE v2.57.1 with updated logic across several vaccine groups to improve alignment with guidelines and expand vaccine support. This release also introduces a new feature, return of vaccine group wiki URLs, making it much easier to audit and map ICE outputs back to their underlying rules. See the new logic in action using the free CDS Insight demonstration and testing tool.