ABOUT US
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.
Corporate Headquarters
3100 Hanover Street
Palo Alto, CA 94304
505 Penobscot Drive
Redwood City, CA 94063
Telephone: 855.698.8887
Fax: 888.974.4258
Whistleblower Hotline
Access to the EthicsPoint hotline is available at: guardanthealth.ethicspoint.com
or by calling the toll free number: 833.220.9672