Contact | NHLBI

NHLBI Location and Directions

National Heart, Lung, and Blood Institute
Building 31
31 Center Drive
Bethesda, MD 20892

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. 

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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.

Public Inquiries

For members of the public who wish to request information on a topic, please fill out the Ask NIH form. 

We cannot provide personalized medical advice. Contact your medical care providers for answers to personal health questions.

Make a Public Inquiry

Media Inquiries

For members of the news media who wish to request a comment, please fill out the HHS Request For Comment form.

Make a Media Inquiry