Contact CHI

NHLBI’s Center for Health Information (CHI) is open Monday through Friday, 8:30 a.m. to 5 p.m. ET (closed on Federal holidays). After hours, you may leave a voicemail message or send an email, and your inquiry will be answered by our information specialists the next business day.

Still can't find what you're looking for?

Phone

1-877-NHLBI4U
(1-877-645-2448)

Email & Mail

nhlbiinfo@nhlbi.nih.gov

NHLBI Center for Health Information
Building 31A, MSC 2480
31 Center Drive
Bethesda, MD. 20892-2480

Live Chat

Click here to chat with us Monday through Friday, 8:30 a.m. to 5:00 p.m. EST.