Most patients will never know its name. Yet Zelis helps decide what a claim should cost, how a provider gets paid and whether a confusing bill becomes a three-month ordeal - or a solvable problem.

After decades in brand and hospital marketing, HaloMD's chief marketing officer has found a demanding subject in a market many people struggle to explain: the rules, incentives and language behind independent dispute resolution.
The No Surprises Act removed patients from many billing fights. HaloMD built the machinery that helps providers fight the remaining battle - over what insurers must pay - at industrial scale.