General Information and Contact

Zynex Medical, Inc.
9990 Park Meadows Drive
Lone Tree, CO 80124
Phone: (800) 495-6670
Fax: (800) 495-6695

Supplies and Returns

To order more supplies or to stop your shipments of supplies call the Zynex Customer Service Team at (866) 940-7030 on. The team is also pleased to handle the details of your Zynex device return. Just follow the prompts to get to the right Customer Service Agent.

To discontinue getting monthly supplies, please fill out this form.

To purchase supplies private pay, go to our Online Store.

Technical Support

At Zynex Medical Inc., we pride ourselves with our excellent customer service and the ability to keep the patients at the forefront of our concerns. Our customer service representatives are always ready to answer questions and assist with any concerns or technical explanations. We are only a phone call or email away, let us know how we may assist you. Call the Zynex Customer Service Team at (866) 940-7030. You can also email our team at

International Contact

Zynex Medical has been serving the international marketplace with certified and compliant electrotherapy products for many years. Distribution inquiries are welcome. Please contact us at:
Phone: (800)495-6670 for International Sales