Contact
Email is the way to reach this site. Corrections with a source get checked first; everything else follows.
That address forwards to the studio inbox. Include the page address and, for a correction, the carrier publication that disagrees with our figure. A screenshot of the guide page or DMM section helps more than a description of it.
What to send
For a billing dispute with a carrier, we cannot file it for you, but the adjustments guide lists each carrier's dispute route and deadline, and the calculators print an evidence checklist with every result. For a rule change, send the carrier notice or guide page. For a calculator problem, send the numbers you entered and what you expected.