
Contact us
We’re always here to support you. If you have questions or need assistance, our teams are available and committed to providing the best support we can.
Telephone: 855.698.8887
Fax: 888.974.4258
For oncology client services:
clientservices@guardanthealth.com
For media inquiries:
press@guardanthealth.com
For investor inquiries:
investors@guardanthealth.com
For biopharma inquiries:
biopharmabd@guardanthealth.com
For employer inquiries:
cancer@guardanthealth.com
For screening inquiries:
screeningsupport@guardanthealth.com
Toll free number: 855.722.7335
Whistleblower Hotline
Access to the EthicsPoint hotline is available at: guardanthealth.ethicspoint.com
or by calling the toll free number: 833.220.9672