St Paul, MN

Immunize.org (formerly Immunization Action Coalition)

EIN 41-1768237

Health & Wellness Community Health & Medical Care Children & youth

Mission

Immunize.org works to increase immunization rates and prevent disease by producing practical, evidence-based educational materials for healthcare professionals and the public, and by advocating for policies that remove barriers to vaccination.

IRS-recognized 501(c)(3) public charity Contributions are tax-deductible

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About Immunize.org (formerly Immunization Action Coalition)

Immunize.org is a long-established 501(c)(3) public health nonprofit headquartered in Saint Paul, Minnesota, that provides practical, user-friendly immunization guidance for healthcare professionals and accessible vaccine information for the public. The organization maintains widely used clinical resources, patient-facing materials, weekly communications for clinicians, and state-by-state school and childcare vaccine requirements. In recent years Immunize.org has continued to expand its digital reach and content: it reports millions of downloads of educational materials and rapidly growing daily visitors across its professional and public websites, and it conducts policy and training work to support vaccine access and evidence-based immunization practice nationwide.

Notable achievements

Large-scale educational reach (FY2025)

Delivered millions of resources in the most recent fiscal year — reporting approximately 4.85 million educational material downloads and millions of public-facing translations — and sustained substantial daily traffic to its professional and public websites.

Regular clinician communications

Maintains IZ Express and other clinician-focused channels that inform tens of thousands of healthcare professionals weekly with updates on vaccine recommendations, safety, and administration best practices.

Sustained national role in immunization guidance

Operates long-running, widely referenced online clinical tools and patient materials used by public health departments, clinics, and health systems across the United States.

At a glance

Total assets: $8.4M
Annual revenue: $3.8M
Tax status: 501(c)(3)Public charity
EIN: 41-1768237
Location: St Paul, MN
Website: www.immunize.org
On Mahalo since: September 2026

Financial figures from the IRS Business Master File, the IRS’s registry of tax-exempt organizations.

Recognition

Recognized and listed by major nonprofit data platforms and charity evaluators as an active, tax-exempt public health organization.

Described by state public health programs and professional networks as a trusted source of immunization practice guidance and downloadable patient materials.

Self-described as an award-winning nonprofit organization with a longstanding reputation in vaccine education and advocacy.

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