Jeffrey Modell Foundation

Non-profits shape how we see rare diseases. The Jeffrey Modell Foundation works from an office on the east side of Midtown, where advocacy and research funding intersect. These groups often become lifelines for families navigating conditions that don’t make headlines, and this one has spent decades pushing for better diagnostics, treatments, and awareness around primary immunodeficiencies. Their efforts span patient support, physician education, and direct funding for medical breakthroughs—all aimed at closing gaps in care that many people don’t even know exist.

You’ll find their base at 780 3rd Ave New York, NY 10017, a stretch of the city where corporate towers and older buildings stand side by side. The neighborhood hums with the kind of energy that keeps things moving, even when the work itself is quiet and painstaking. If you’re reaching out to learn about their programs or how to get involved, (212) 819-0200 connects you to the team handling everything from clinical trial referrals to public health campaigns.

Primary immunodeficiencies might not dominate conversations, but they affect thousands of lives. Organizations like this one operate behind the scenes, turning donations and grants into real change. For directions or to confirm office visits, their map is here: https://www.google.com/maps/place?ftid=0x89c25902a7f5e6b1:0xcd08f6fd08d68788. The area around 3rd Avenue mixes high-rises with smaller storefronts, a reminder that even in a city this dense, some of the most important work happens out of the spotlight.