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Questions About Cancer? 1-800-4-CANCER

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Contact the National Cancer Institute

Introducing the NCI's Cancer Information Service

NCI information specialists are available to help answer your cancer-related questions whether you are a patient, family member or friend, health care provider, or researcher.

If you are seeking cancer information and need help for a personal situation, learn more about how NCI's Cancer Information Service can help you.

Important: NCI provides cancer-related information for your general knowledge and is not a substitute for a doctor's advice.

Phone iconTelephone
1-800-4-CANCER (1-800-422-6237)
Available in English and Spanish
Monday through Friday
8:00 a.m. to 8:00 p.m. ET
Online Help LiveHelp iconLiveHelp Online Chat
Available in English only
Monday through Friday
8:00 a.m. to 11:00 p.m. ET
E-mail iconE-mail
E-mail Us
Available in English and Spanish
Mail iconMail
6116 Executive Boulevard
Suite 300
Bethesda, MD 20892-8322

Frequently Asked Questions (FAQs)
The answer to your question may be in our FAQs list

NIH Staff Directory
Find contact information for NCI staff as well as staff from other NIH Institutes and Centers

NCI Divisions, Offices and Centers 
Links to NCI's six divisions, the Center for Cancer Research, and offices and centers within the NCI Office of the Director

Media Inquiries
Contact information for the NCI Press Office

Information about contributing to the National Cancer Institute

Información en español
Contact information in Spanish