PE-Grade Underwriting for Modern ABA Scrutiny
ABA is under active federal scrutiny. This guide covers what investors and operating partners need to understand about claims integrity as a portfolio risk - and how to assess it before and after a deal.
ABA is under active federal scrutiny
Since CMS clarified Medicaid's obligation to cover ABA services in 2014, ABA has been one of the fastest-growing segments in healthcare services. After 2019, that growth accelerated sharply, with the number of Medicaid-funded ABA sessions delivered annually expanding by 298% to 2024.
As of January 2022, the HHS Office of Inspector General (OIG) has been running a structured, multi-year audit series targeting Medicaid-funded ABA services across eight states. Four states have reported findings, and four are still to come.
$198M in confirmed improper payments have been identified across audited states, with an additional $410M flagged as potentially improper and under review.
Well-intentioned care providers are facing the most significant consequences. Late or incomplete session notes, missing timestamps, supervision records that do not meet timing requirements, and administrative errors in claim documentation are frequently flagged. These recurring documentation failures, which were previously overlooked, are now resulting in substantial repayment exposure.
How a session note gap becomes a balance sheet problem
OIG findings may initially appear to be a compliance issue. A more comprehensive perspective recognizes them as an EBITDA risk. Post-payment audit findings often extend beyond what most deal models anticipate. While repayment obligations are visible, the retroactive impairment of revenue already factored into valuations poses a greater challenge.
The claims being audited now largely date back to 2019-2022, the same period when most PE consolidation in ABA occurred. Revenue that was recognized, counted, and in many cases used to underpin acquisition valuations during that window is now subject to retrospective review.
For a $100M platform, unaddressed RCM leakage typically represents $3-8M in recoverable EBITDA. At a 6-8x multiple, the value implication runs well beyond the claims themselves.
What this guide covers
The scrutiny landscape
The OIG audit series, CMS's CRUSH initiative, and why state-level enforcement actions are increasing across ABA.
Why the diligence gap exists
Standard ABA diligence assesses revenue growth, payer mix, and margin. Claims integrity is rarely examined at the depth current conditions require.
How unresolved exposure moves through to exit
Audit findings that surface near exit create repayment liability and remediation timelines that extend transaction processes and introduce price renegotiations.
Prevention versus remediation
Pre-submission validation is the primary control to prevent documentation errors from resulting in repayment liabilities. The operational cost difference between catching problems before submission and reconstructing records after an audit is significant.
Three operational questions for portfolio review
A starting point for assessing whether a portfolio company validates claims before submission, has real-time denial visibility, and integrates documentation into clinical operations.
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