“We thrive on new challenges. We are driven to excellence through collaborative engagements large and small to help customers successfully deploy innovative solutions. As the COVID pandemic eases, we continue to work closely with clients to strengthen their systems and prepare for the next likely event.”
– 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)
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Open Source immunization evaluation and forecasting
Replacing a decommissioned product with a well-supported system while adding a useful enhancement
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Ensuring successful system migration
Leveraging a proven methodology and tools to operationalize a new immunization information system (IIS)
Read more >Recent Blog Posts

HLN supports updates to several vaccine groups in its Award Winning ICE Open Source Immunization Forecaster
On April 26, 2024, HLN released a new version of the Immunization Calculation Engine (ICE) supporting several vaccines. ICE is a state-of-the-art open source software system that provides clinical decision support for immunizations for use in Immunization Information Systems (IIS), Electronic Health Record (EHR), and Personal Health Record (PHR) Systems.
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Data Governance, building trust in Public Health Data
Noam Arzt, president at HLN Consulting, discusses public health agencies’ most pressing issues, including the end of pandemic funding, the change of administration and the need to modernize IT systems.
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HLN and the IIS Community: Coming Together @AIRA 2025 National Meeting
Join HLN Consulting at the AIRA 2025 National Meeting from April 28 to May 1 in Spokane, WA. We’ll share insights on key IIS topics, including handling duplicate immunizations, vaccine coverage dashboards, vaccine reporting via API, and data modernization. Stop by our booth to connect and learn how we can support your IIS needs!
Read more >Affiliations






Standards Development Membership


