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Jennifer Fergeson DO

Allergy and immunology; Internal Medicine
Adults and pediatrics
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Immune Deficiency Foundation
7550 Teague Road, Suite 220
Hanover, Maryland 21076

P: 410-321-6647

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The Immune Deficiency Foundation improves the diagnosis, treatment, and quality of life for every person affected by primary immunodeficiency.​

We foster a community that is connected, engaged, and empowered through advocacy, education, and research.

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© 2026 Immune Deficiency Foundation | Immune Deficiency Foundation is a 501(c)(3) organization (EIN: 52-1214782)