National Cancer Institute

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Need Help? Contact us by phone (1-800-422-6237), Web, or e-mail

Contact Information

If you need information about cancer, please call 1-800-4-CANCER (1-800-422-6237), 9:00 a.m. to 4:30 p.m. local time, Monday through Friday; TTY 1-800-332-8615. If you'd like to have your cancer-related questions answered by email, please send a message to You may expect a response within 5 to 7 business days.

Please note the following about e-mail messages:

  • We cannot answer specific medical questions, make referrals, or provide consultation. These questions are best answered by a health care professional familiar with a person's condition.
  • We can respond only to e-mail messages written in English. (Solo podemos responder los mensajes escritos en inglés. Información por teléfono en español.)

If you have questions about the Division of Cancer Control and Population Science's research priorities or initiatives, feel free to contact us by e-mail, phone, or mail.

Division of Cancer Control and Population Sciences
National Cancer Institute
6130 Executive Boulevard
Room 6134
Executive Plaza North
Rockville, Maryland 20852
Phone: 301-594-6776
Fax: 301-594-6787


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DCCPSNational Cancer Institute Department of Health and Human Services National Institutes of Health