Contact the National Cancer Institute

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.
![]() | ![]() 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 |
![]() | ![]() LiveHelp Available in English only Monday through Friday 8:00 a.m. to 11:00 p.m. ET |
![]() | E-mail E-mail Us Available in English and Spanish |
![]() | Mail 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
Contributions
Information about contributing to the National Cancer Institute
Información en español
Contact information in Spanish