A durable medical equipment supplier can lose its Medicare billing privileges without a single claim ever being reviewed for medical necessity. 42 CFR 424.57(c) lists thirty supplier standards covering a DME business's physical facility, its posted hours, its liability insurance, and its availability for an on-site inspection, and CMS revokes billing privileges for failing any one of them, independent of whatever a Medicare audit turns up in the supplier's billing history. Physician practices that dispense orthotics, CPAP supplies, or other equipment directly to their own patients enroll as DME suppliers too, and the same standards reach them on top of the certification and medical-necessity documentation covered in Physician Orders and Certifications Under Audit.
What Supplier Standards Actually Require
The standards reach past paperwork. A supplier's practice location must measure at least 200 square feet, sit somewhere the public and CMS's inspectors can reach without going through a gate, and stay staffed during the hours posted on a permanent, visible sign, under 42 CFR 424.57(c)(7). The supplier must also carry a liability insurance policy of at least $300,000 covering its place of business, its customers, and its employees, under 424.57(c)(10), and remain open to the public a minimum of 30 hours per week under 424.57(c)(30), with narrow exceptions for custom orthotic and prosthetic practitioners and practices that furnish items only to their own patients.
How the National Supplier Clearinghouse Verifies Compliance
The National Supplier Clearinghouse, the CMS contractor that administers DME enrollment, confirms these standards through on-site inspections authorized at 42 CFR 424.57(c)(8), and the inspections are not announced in advance. A supplier that refuses or obstructs one faces revocation on that basis alone.
Insurance lapses, closed doors during posted hours, and a missed inspection carry the same revocation exposure as a falsified claim.
The Path From Noncompliance to Revocation
CMS revokes a DME supplier's billing privileges under the supplier-standard-violation ground at 42 CFR 424.535(a)(23) when a supplier no longer meets a standard in 424.57(c). Some standards trigger revocation automatically: letting the required $300,000 liability policy lapse revokes billing privileges retroactive to the lapse date under 424.57(c)(10)(ii), with no separate finding required, and other standards violations are effective as of the date the noncompliance began under 424.535(g)(2)(xiv), not merely from the date CMS mails its notice. Because 42 CFR 405.809 limits the corrective action plan option to revocations under 424.535(a)(1), a supplier revoked under 424.535(a)(23) has no corrective action plan step; the only appeal route is a request for reconsideration within 60 days of receiving the notice, under 42 CFR 498.22. A revoked supplier is barred from reenrolling in Medicare for one to ten years depending on the severity of the violation, and as long as twenty years for a second revocation, under 424.535(c).
A revocation carries a second exposure: CMS may reopen Medicare claims paid on or after the revocation to establish an overpayment under 424.57(e)(2), applying extrapolation across the claims history under the same local coverage determination criteria the claims were billed against, and demanding recoupment of the extrapolated amount. That overpayment, unlike the revocation itself, is contested through redetermination and reconsideration by a Qualified Independent Contractor on the way to an administrative law judge, the path covered in QIC Reconsideration: Building the Record for ALJ. A RAC or other claims-review contractor, not the National Supplier Clearinghouse, runs that review.
Health Law Alliance's attorneys have overseen 2,000+ audits and handled 5,000+ matters, with 25+ years of experience.
Why Early Legal Counsel Is Critical
It is critical that DME suppliers retain experienced healthcare defense counsel the moment a site visit is scheduled, a complaint is logged, or a revocation notice arrives. Early legal intervention can confirm which standard is actually at issue, determine whether a corrective action plan is even available for that violation, and preserve the right to reconsideration before the sixty-day window closes. Delaying counsel can turn a curable deficiency into a ten-year bar from Medicare.
How Health Law Alliance Can Help
Health Law Alliance's DME audit defense team represents DME suppliers and physician practices facing DME MAC, ZPIC/UPIC, and RAC audits. Contact us today for a free, confidential consultation.
