New: Looking for Masimo SafetyNet Alert™ for Home Self-Monitoring? Click here.

Contact Us

We welcome your feedback! If you have a question, comment or concern regarding the Masimo consumer pulse oximeters, please complete the form below.

For all other questions, please contact Masimo Technical Services at or (800) 326-4890. For customers traveling outside the USA with their Masimo Fingertip Pulse Oximeter, local contact information can be found at


52 Discovery, Irvine, CA 92618

For questions related to the use of the Masimo SafetyNet Alert system please contact Masimo at: