A favorable decision on a Medicare appeal, at redetermination, reconsideration, or a hearing before an Administrative Law Judge (ALJ), is not the end of the matter. Medicare Administrative Contractors (MACs) do not pay automatically once a decision reverses an extrapolated overpayment demand. Each appeal level has its own payment deadline, and CMS can refer even a fully favorable ALJ decision to the Medicare Appeals Council instead of paying it. A provider who assumes a win means a check within 30 days can find the payment delayed, referred for further review, or the recouped funds still sitting with the contractor months later.
How CMS Effectuates a Favorable Decision
“Effectuate” is CMS's own term, defined in the Medicare Claims Processing Manual, Chapter 29, for the contractor action that turns a favorable decision into payment or a corrected liability. At redetermination, the MAC effectuates a favorable decision within 30 calendar days of the decision date, or within 30 days of computing the amount if it is not yet fixed. At reconsideration, the MAC does not act on the QIC's decision directly. It waits for a formal Reconsideration Effectuation Notice from the QIC, then effectuates within 30 calendar days of receiving that notice, not from the date of the decision itself. A favorable ALJ decision follows a different path before that clock starts.
The ALJ Level: Effectuation or Referral
The Administrative Qualified Independent Contractor (AdQIC) is the clearinghouse for every ALJ and Appeals Council decision, and it reviews each one before a MAC sees it, specifically to decide whether CMS will refer the case to the Council. Only after the AdQIC confirms no referral is planned does it send the MAC an effectuation notice, and only then does the 30-day payment clock begin. Under 42 CFR Section 405.1110, CMS or a contractor may refer a favorable ALJ or attorney adjudicator decision within 60 calendar days of receiving it, if the decision contains an error of law material to the outcome or raises a broad policy or procedural issue affecting the public interest. The provider already won; CMS is asking the Council for its own second look, and the Council then has 90 calendar days to act.
Interest on Recouped Funds
Section 1893(f)(2) of the Social Security Act requires interest, commonly called 935 interest, when Medicare recouped money through involuntary recoupment and the provider later prevails at the ALJ level or higher. Interest is not owed on voluntary payments: extended repayment installments, immediate recoupment elected before a reconsideration decision, and checks sent directly to Medicare do not qualify. Only money actually taken through recoupment earns interest. Under 42 CFR Section 405.378, the rate is the higher of the Treasury Secretary's rate or the current value of funds rate, both published in the Federal Register and revised quarterly, calculated as simple interest in 30-day periods at the rate in effect on the date the reversing decision issues.
When the Payment Does Not Arrive
Contractors must track effectuation requests and confirm receipt of the notice from the QIC or the AdQIC, so a missed deadline is documented on the government's side too. When 30 days pass without payment or an update, the practical options are to contact the contractor's appeals unit, press the AdQIC that issued the notice, or bring in counsel who can cite the specific provision the contractor missed. The accrual side of this same clock, what a provider owes Medicare rather than the reverse, is covered in Interest on Medicare Overpayments: How It Accrues.
A favorable ALJ decision does not start the payment clock until CMS decides not to refer it to the Medicare Appeals Council, and only funds actually taken through recoupment, never voluntary payments, ever earn interest.
Why Early Legal Counsel Is Critical
It is critical that providers retain experienced healthcare defense counsel as soon as a Medicare appeal is won, not only when one is lost. Early legal intervention can confirm which effectuation deadline applies, track whether CMS has referred the decision to the Council instead of paying it, calculate the 935 interest owed on recouped funds, and press the contractor directly when a payment deadline passes. Delaying counsel's involvement after a win can let a missed deadline or an undisclosed referral go unnoticed for months.
How Health Law Alliance Can Help
Health Law Alliance has handled 5,000+ matters across healthcare regulatory and audit defense over 25+ years, including Medicare appeals that stall after a favorable decision. If your practice won an appeal and the payment, the interest, or the effectuation notice has not followed, contact Health Law Alliance's Medicare audit defense attorneys for a free, confidential consultation.
