About
SignaL IONM
SignaL IONM is a national intraoperative neuromonitoring company built on a straightforward premise: every patient undergoing a procedure that puts their nervous system at risk deserves a qualified clinician in that room, watching. Our technologists bring deep, procedurally specific expertise across spinal, vascular, neurological, orthopedic, and pain management cases — and every case we staff is backed by real-time oversight from a DABNM-certified supervising physician.
We work directly with surgeons, anesthesia teams, and facility staff to integrate monitoring seamlessly into the flow of each case. Our equipment is current, our documentation is thorough, and our communication with the surgical team is clear and immediate. When something changes, you hear about it right away — not after the fact.
Frequently Asked Questions
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Why Does SignaL IONM Bill My Insurance for IONM Services?
Your surgeon has chosen to use Intraoperative Neuromonitoring (IONM) as part of your surgical care. During your procedure, a trained neurophysiology technologist works alongside your surgeon and anesthesia team to continuously monitor the functional integrity of your nervous system — and a board-certified physician supervises that monitoring remotely in real time. These technical and professional services are billed separately to your insurance carrier, independent of your surgeon's or facility's billing. If you have questions about why IONM was used for your procedure, your surgeon is the best resource.
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What Did I Sign in Pre-Op?
Before you were taken to the operating room, one of our technologists introduced themselves and obtained your signed consent. Your signature authorizes us to communicate with your insurance carrier on your behalf and to receive payment directly for the IONM services we provided during your surgery.
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I Received a Bill From SignaL IONM, What Should I Do?
You may receive a Bill or Statement from us for the cost sharing component of the service (i.e., deductible and co-insurance as determined by your insurance carrier) if you have not yet met your deductible or out-of-pocket maximums.
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I Received an Explanation of Benefits (EOB). What should I do?
An EOB is not a bill — no immediate action is required. It is a summary from your insurance carrier showing what was billed, what they covered, and what remaining cost-sharing (if any) may be your responsibility under your plan. You may not receive an EOB for IONM services for 30 days or more after your procedure, as insurance processing timelines vary. Hold onto it for your records.
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What should I do if I receive a check from the insurance company?
Occasionally, insurance carriers — particularly Blue Cross Blue Shield plans — will send payment directly to the patient rather than to us. If you receive a check made out to you for IONM services, please forward the check along with any associated EOB documentation to us for processing. Alternatively, if you have already deposited the check, a personal check made out to SignaL IONM for the same amount is also accepted. Please contact us directly and we'll make the process as simple as possible.
