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Medicare’s Quiet Shift in Hospital Oversight
On July 7, CMS published its calendar year 2027 proposed rule for the Hospital Outpatient Prospective Payment System and Ambulatory Surgical Center Payment System. While the rule’s 340B drug reimbursement reductions and site-neutral payment expansions have attracted attention, CMS’s less-covered proposal to implement new provider-based status oversight may prove just as consequential.
What This Provider-Based Status Oversight Rule Would Require
Under the proposal, hospitals would be required to periodically attest that each of their off-campus provider-based departments continues to satisfy Medicare’s “provider-based” requirements. The proposed attestation requirements would strengthen federal oversight of one of Medicare’s most valuable regulatory designations, signaling that the designation is no longer a one-time compliance determination, but rather a temporary status subject to ongoing verification.
Why Provider-Based Status Is So Valuable to Hospitals
CMS offers its own explanation in the proposed rule, stating that “compared to being treated as a freestanding facility,” provider-based departments may receive several advantages, “including, most notably, increased payments from Medicare.” This refers to the current payment framework, under which qualifying departments may receive reimbursement under OPPS rather than the Physician Fee Schedule, generally resulting in higher payments for comparable services furnished in freestanding settings.
The Financial Incentives Behind Provider-Based Status Oversight
Provider-based status can also expand access to discounted drugs through the 340B program, as certain provider-based departments of eligible hospitals may be registered as covered outpatient sites, extending participation in discounted drug purchasing. These combined financial advantages stemming from provider-based status have widely been viewed as major factors encouraging hospitals’ acquisitions of freestanding physician practices.
A History of Congressional and CMS Attention to This Issue
Congress and CMS have long sought to address the unintended incentives arising from provider-based status. In response to growing concerns over healthcare consolidation and inaccurate Medicare payments, federal lawmakers enacted a law in 2015 that generally eliminated higher OPPS service reimbursement in newly acquired off-campus hospital outpatient departments.
Why Provider-Based Status Oversight Has Been Weak Until Now
At the same time, CMS has consistently maintained that accurately distinguishing provider-based departments from freestanding facilities is essential to protecting appropriate Medicare spending, as failure to do so “can result in provider overpayments.” Notably, prior to the CAA, hospitals were not required to submit recurring attestations demonstrating each department continued to meet Medicare’s provider-based requirements. Hospitals voluntarily submitted attestations only when seeking a preliminary CMS determination, and OPPS payment was not conditioned on periodic validation.
How the CAA Changed the Oversight Framework
The CAA changes this system by directing CMS to establish a process for recurring hospital attestations, leading to the new requirements in the recently proposed rule. Importantly, the CMS proposal does not fundamentally change the underlying provider-based regulations. Instead, the rule aims to implement a new verification process under which OPPS payments would depend on hospitals demonstrating continued compliance with provider-based requirements.
Timeline and Mechanics of This Provider-Based Status Oversight Rule
As directed by the CAA, beginning in 2028, applicable off-campus departments would be required to maintain a unique National Provider Identifier, have the parent hospital submit an initial attestation within two years before the provider submits claims to Medicare under that specific NPI, and have the parent hospital submit subsequent attestations confirming the facility continues to satisfy Medicare’s provider-based requirements within the mandated timeframe. Initial attestations from hospitals with existing departments would be required before the 2028 deadline, with subsequent attestations required at intervals not exceeding five years.
A Standardized Form and Centralized Submission System
To streamline implementation, the proposed rule would also establish a new standardized provider-based status attestation form replacing all current Medicare Administrative Contractor-specific forms. Hospitals would submit the standardized form through a new centralized electronic submission system, aligned with an agency-wide commitment to modernize workflows.
How Review and Enforcement Would Work Under This Oversight Rule
The proposed rule would also modify the attestation process by authorizing Medicare Administrative Contractors and other contractors to conduct review and validation activities in support of provider-based determinations, rather than forwarding recommendations to CMS for a separate decision. Determinations for all initial attestations would be supported through standardized processes, including automated validation activities, data analysis, risk-based screening methodologies, targeted documented review, and other program integrity activities.
Documentation and Penalty Requirements
Although hospitals are not expected to submit all mandatory documentation at the time of initial attestation submission, they would be required to maintain records demonstrating compliance, including documentation pertaining to ownership, public awareness, and clinical integration, in the event that CMS or its contractors requested it during targeted reviews, audits, or site visits. Through the CAA, CMS was instructed to contemplate penalties for hospital noncompliance, which may include the full recovery of OPPS payments or removal from the Medicare program. CMS says these changes may collectively reduce administrative burden and promote a more efficient and consistent review process for all parties involved.
What This Provider-Based Status Oversight Shift Means Going Forward
The calendar year 2027 OPPS and ASC proposed rule is the most recent federal effort to address the Medicare spending problem and the incentives created by provider-based status. The message is clear: policymakers are demanding greater accountability from the providers benefiting from federal programs such as OPPS and 340B. By making Medicare payments contingent on new recurring hospital attestations, Congress and CMS are changing provider-based status from a one-time designation into an ongoing compliance obligation subject to continued oversight.
What Hospitals Should Watch For
Given the 2028 implementation deadline and the potential penalties for noncompliance, including full recovery of OPPS payments or program removal, hospitals with existing off-campus provider-based departments should begin reviewing their documentation practices well ahead of the mandatory attestation timeline. As this provider-based status oversight framework moves from proposal to final rule, hospitals will need to weigh how the added administrative burden of recurring attestations compares to the financial benefits that have historically made provider-based status such a significant driver of physician practice acquisitions.
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