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Reimbursement

Disputes, settlements, and payor adjudication for government and commercial claims.

A paid claim is not always a correctly paid claim. Rivet Health Law works the gap between what the record supports and what the payor actually issued—government and commercial—without treating the remittance as the last word.

Reviewed by Joseph Rivet · September 29, 2026

The Challenge

Where money usually leaks

Most underpayments are not dramatic denials. They are a reduced allowed amount, a downcoded E/M, a modifier the system ignored, or a fee schedule the plan updated without telling the group.

Who We Help

Who this work is for

Joseph Rivet spent more than 20 years inside healthcare operations, coding, billing, and reimbursement before practicing law. The reimbursement work starts from how a claim is built, not only from how a statute reads.

  • Hospitals and health systems reviewing underpayments
  • Physician groups seeing silent policy changes on the remittance
  • Practices adding a new service, site, or device
  • Providers caught between state balance-billing rules and a payor contract

Our Process

First steps you can take today

These steps organize the file. They are not a substitute for counsel.

  1. 1

    Pull five recent remittances that feel short and note the reason codes.

  2. 2

    Match each one to the note, the codes billed, and the contract or CMS schedule.

  3. 3

    Write down whether the shortfall is a denial, a downcode, or a reduced allowed amount.

  4. 4

    If no-shows or late cancellations are part of the leak, run the recovery calculator below before changing policy.

Where money usually leaks

Most underpayments are not dramatic denials. They are a reduced allowed amount, a downcoded E/M, a modifier the system ignored, or a fee schedule the plan updated without telling the group.

Before anyone drafts a demand letter, it helps to stack the remittance, the contract or CMS fee schedule, and the documentation that was in the chart that day. The story is usually in that stack.

What a careful review looks like

The firm looks at how the claim was built—codes, modifiers, place of service, and any later rebilling—then at the payor’s stated reason. If the reason does not match the record, that mismatch is the case.

New services and devices need the same discipline before the first claim goes out. It is cheaper to map coverage and coding once than to unwind a year of preventable denials.

Common questions

Is an underpayment the same as a denial?
No. A denial refuses the claim. An underpayment pays something, just not what the record and the contract support. Both can be appealed, but the evidence and the deadline are often different.
How quickly should a reimbursement issue be raised?
Contract and CMS appeal windows are short. If the remittance is more than a few weeks old, check the timely-filing and appeal language before gathering a larger sample.
Can a practice recover no-show revenue?
Sometimes, if the policy is clear, the patient agreed to it, and the payor does not prohibit the charge. The calculator on this page estimates the dollars at stake. It is not a green light to bill.

Working tool

60-second estimate

See what no-shows may be costing the practice

A 60-second estimate of annual lost appointments and recoverable revenue. Use it to decide whether a no-show policy is worth the compliance work—not as a promise of recovery.

When you want help

Bring the letter, the remittance, or the agreement.

If the first steps on this page raised a question, the firm can sit with the file.

This page is educational. It is not legal advice and does not create an attorney-client relationship. Facts, contracts, and appeal windows control the next step.