Overlapping Contractor Reviews: UPIC, MAC, and RAC at the Same Time

A provider can now face a Medicare Administrative Contractor (MAC) probe, a Unified Program Integrity Contractor (UPIC) review, and a Recovery Audit Contractor (RAC) review of the same claims inside the same audit season. Each contractor sends its own document request, sets its own deadline, and reaches its own conclusion, and none of the three is required to defer to the others automatically. CMS runs an internal system built to stop review contractors from working the same claims twice, but that system operates between the contractors, not for the provider, and a practice that does not raise the overlap can end up producing three different records to three different reviewers on three different timelines.

How CMS Coordinates Overlapping Review

Under CMS's Medicare Program Integrity Manual, the UPIC, RAC, MAC, and Supplemental Medical Review Contractor upload flagged claims into a shared system called the RAC Data Warehouse (RACDW), using a suppressions and exclusions process. A suppression takes a claim temporarily off-limits to other reviewers while an investigation is open. An exclusion permanently removes a claim another entity has already reviewed. The manual requires MAC medical review staff to coordinate with their associated UPIC to prevent what it calls inappropriate duplication of review activities, and it goes further for the UPIC: when a UPIC finds a provider already under review by a RAC, MAC, or SMRC, the manual instructs the UPIC to contact that contractor to determine which entity continues the review.

Why the UPIC Usually Controls the Overlap

CMS's manual language does not hand any one contractor a blanket right to take over another's review. It puts the fraud-focused UPIC in the position of initiating the conversation once it identifies overlapping claims, and it gives the UPIC's suppression entry the practical effect of freezing the other contractor's access to those same claims inside the RACDW. That is a separate distinction from the one between a RAC's payment-accuracy review and a UPIC's fraud-focused review, which Health Law Alliance's guide to UPIC audits covers in full. A MAC prepayment edit or a RAC post-payment review can continue on claims a UPIC has not touched. Once the UPIC opens on the same claims, the coordination duty shifts toward the UPIC.

Putting the Overlap in Writing

A provider that receives a second or third document request covering claims, dates of service, or a National Provider Identifier already under review elsewhere should not assume CMS's contractors have already coordinated. Put the overlap in writing to each contractor separately: identify the claims already in review, name the other contractor and, if known, its reference number, and ask for written confirmation of whether the claims are suppressed or excluded in the RACDW and which entity is continuing. A target letter or a UPIC records request received while a MAC or RAC review of the same claims is still open is the clearest sign a written overlap notice is overdue.

The Risk of Two Inconsistent Records

Responding to two or three contractors without coordinating creates its own exposure. A cover letter, a narrative, or a set of supporting records that differs even slightly between what a MAC received and what a UPIC received becomes evidence in its own right, because inconsistency is itself the kind of pattern that can support a fraud referral rather than a routine recoupment. A missing page, a revised signature log, or a different explanation for the same date of service should never exist in one contractor's file and not another's. Treat every response to every contractor on the same claims as one record, not three, reviewed for consistency before any of it goes out.

A provider that gives three reviewers three different records has handed the government its own inconsistency to investigate.

Why Early Legal Counsel Is Critical

It is critical that providers promptly retain experienced healthcare defense counsel once a second contractor opens a review of claims already in an active MAC, UPIC, or RAC audit. Early legal intervention can identify the overlap before responses are due, communicate with each contractor on the provider's behalf, and prevent the kind of inconsistent record production that can turn a payment dispute into a fraud referral. Delaying legal representation until after two or three inconsistent responses are already on file can significantly limit what counsel is later able to do.

How Health Law Alliance Can Help

Health Law Alliance has handled 5,000+ matters across Medicare audit and program-integrity defense over 25+ years, including matters where a UPIC review opened while a MAC or RAC review of the same claims was already pending. If your practice has received a second Medicare contractor notice covering claims already under review elsewhere, contact Health Law Alliance's UPIC audit defense attorneys for a free, confidential consultation before responding again.