
Every family affected by congenital hyperinsulinism (HI) deserves answers, support, and hope. Your donation supports research toward better treatments and a cure, improved diagnosis and standards of care, and supports people living with HI or its consequences, every step of the way.
The work CHI does improves thousands of lives, including the life of our daughter… Forever grateful is an understatement, and that’s why we will always support the Sweetest Cause!
– Whitney, HI parent
Ways to donate and support CHI:
Donate Online
Make a secure online donation by credit card, debit card, PayPal, or Venmo. You will receive an immediate thank-you message and tax receipt by email from CHI.
Donate by Phone
To donate by phone, please call the CHI office at 973-544-8372.
You will receive a tax receipt via email or paper copy from CHI.
Donate by Mail
To donate by check, please include a completed CHI donation form and send your donation to:
CHI
PO Box 135
Glen Ridge, NJ 07028
Donate with Venmo
You can now support CHI directly through the Venmo app. Search for Congenital Hyperinsulinism International or use the direct Venmo link below.

Monthly Giving
A recurring monthly gift helps sustain CHI’s work year-round, ensuring consistent support for the hyperinsulinism community. Choose “monthly” when donating online to make an ongoing impact. Changes or cancellations can be made at any time by emailing info@congenitalhi.org.
Donate via a Donor Advised Fund (DAF)
Recommend a grant to Congenital Hyperinsulinism International through your donor-advised fund. CHI’s EIN is 20-3068945. Donors with Fidelity Charitable, Schwab Charitable, or BNY Mellon may use DAF Direct.
Please let us know of your gift by emailing info@congenitalhi.org.
Donate a Gift of Stock
A gift of appreciated stock can support CHI’s mission. For transfer instructions and assistance, contact Jennifer Schmitt at jschmitt@congenitalhi.org.
Double Your Impact with an Employer Match
Make your generosity go even further. Many companies match employee donations and volunteer hours, multiplying support for CHI’s mission. Search for your employer below to see if a matching gift program is available.
Support CHI Through Your Retirement Assets
Turn your retirement savings into a lasting impact for the hyperinsulinism community. If you are eligible to make a Qualified Charitable Distribution, you may be able to direct a gift from your IRA to CHI. CHI’s EIN is 20-3068945. Please consult your financial or tax adviser regarding eligibility and tax treatment.
Start Fundraising for CHI Today
Celebrate a special moment or honor a loved one by fundraising for CHI and our mission to support those affected by hyperinsulinism. Our community’s generosity drives CHI’s mission forward, and we’re deeply grateful for those who rally their networks to join us.
Start Your Fundraiser Here. If you have questions or need any assistance, contact Jennifer Schmitt via email at jschmitt@congenitalhi.org. We thank you in advance for your support!
We are a 501(c)(3) organization in the United States. Contributions from people who file income tax in the U.S. are fully tax deductible. Thank you so much for your support.
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