skip navigation National Institute on Deafness and Other Communication Disorders (NIDCD): Improving the lives of people who have communication disorders
One of the National Institutes of Health
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Contact Us

The NIDCD welcomes any questions or comments you might have. For medical advice or diagnosis, we encourage you to review our information with your doctor.

For health information

If you need immediate information, please call 800-241-1044 or TTY at 800-241-1055, Monday through Friday, 8:30 a.m. to 5 p.m., Eastern time. Please leave a message after hours and we will return your call the next business day.

You can also send your questions by e-mail to and your questions will be answered within 1 to 2 business days.

Please include your contact information and postal address in your message if you are asking for materials to be mailed to you. Personal information will be kept confidential and used only to respond to your question. For more information see our Privacy notice.

For media inquiries or information on research studies and programs

If you have questions about NIDCD's research and programs, or if you are from the media, contact

NIDCD Office of Health Communication and Public Liaison
31 Center Drive, MSC 2320
Bethesda, MD 20892-2320

Voice: (301) 496-7243
TTY: (301) 402-0252
Fax: (301) 402-0018

For technical questions or suggestions to improve our web site

Contact the NIDCD Web Manager:
Phone: 301-496-7243
Fax: 301-480-0702


National Institute on Deafness and Other Communication Disorders. Celebrating 20 years of research: 1988 to 2008