FYI Providers – ABA Audits Are No Longer Just Billing Audits

Dear ABA Community,

There have been a significant number of changes within the ABA industry over the last several years, some of which have been clinical in nature, while others have been operational, regulatory, or driven by evolving expectations from payors, Medicaid programs, managed care organizations, and increased federal oversight.

As those changes continue to unfold, one thing is becoming increasingly clear: ABA providers are being evaluated differently than they were even a few years ago.

Recently, the Office of Inspector General (OIG), the federal agency responsible for identifying fraud, waste, abuse, and compliance concerns within federally funded healthcare programs such as Medicaid and Medicare, has conducted multiple audits involving Medicaid-funded ABA services across several states.

What is important to understand is that these audits are not simply focused on whether a claim was submitted correctly, but instead are evaluating whether the operational and clinical framework supporting that claim adequately substantiates every unit billed.

In many cases, auditors are reviewing documentation, authorizations, provider credentials, supervision requirements, treatment plans, medical necessity, session times, signatures, and whether the services rendered were clinically appropriate and aligned with the services billed.

In other words, the focus has expanded beyond billing accuracy alone, and these reviews are increasingly examining the operational, clinical, and compliance processes that support the claim from intake through reimbursement.

Common audit findings have included session notes that do not support the CPT codes billed, missing provider signatures, billing for non-therapeutic time, unsupported units, overlapping service times, credentialing or supervision mismatches, missing assessments or treatment plans, authorization issues, and documentation that does not clearly support medical necessity.

What is important to keep in mind is that many of these findings are categorized as potentially improper claims, which does not always mean the service did not occur, but often means the provider did not have enough documentation, oversight, or compliance infrastructure to prove that the service was properly authorized, medically necessary, correctly delivered, and appropriately billed.

That distinction matters because, in an audit, being able to say that the service occurred is not always enough. Providers must also be able to demonstrate that the service was clinically appropriate, properly documented, authorized, supervised when required, and billed in accordance with payor expectations.

For ABA providers, this means documentation can no longer be viewed as an administrative task that happens after the session, because documentation is part of the clinical record, part of the compliance record, and part of the support for the claim.

For billing teams, this also means the role of billing is continuing to expand, as third-party billing companies and internal billing departments are increasingly expected to identify obvious issues before claims go out the door, including unsupported billing patterns, rendering provider discrepancies, authorization issues, overlapping services, missing documentation elements, or credentialing concerns.

This does not mean billers are responsible for replacing clinical leadership, compliance officers, or operations teams, but it does mean billing can no longer operate in a silo. If the authorization is wrong, the note is missing, the provider is not credentialed correctly, or the session time does not make sense, the billing team may be the last line of defense before a claim is submitted.

That is one of the reasons ABA practices need stronger communication between intake, clinical, scheduling, authorizations, credentialing, billing, and QA.

The current audit environment is forcing providers to look at the full lifecycle of a claim and ask whether each step in the process is supported, documented, and defensible, including the diagnosis, assessment, treatment plan, authorization, provider credentialing, supervision, session note, units billed, overlapping times, medical necessity, and final claim submission.

That is the level of review providers need to start building into their own internal processes before an auditor does it for them.

I know this can feel overwhelming, especially for providers who are already navigating rate pressure, staffing challenges, payor changes, increased administrative demands, and the day-to-day realities of running an ABA practice.

However, I do think there is a positive side to this as well. Many payors are becoming more proactive in providing ABA-related resources, trainings, webinars, policy updates, and guidance documents, and because payors are also under increased scrutiny, they have a responsibility to educate their networks and make sure providers understand expectations.

That gives providers an opportunity not to panic or overcorrect, but to use this moment to strengthen internal systems, improve communication across departments, and identify issues before they become audit findings.

Providers should be sharing payor updates internally, billing teams should be flagging patterns, clinical teams should be reviewing documentation standards, operations teams should be looking at workflows, and leadership should be asking whether their current systems would hold up under review.

At the end of the day, compliant billing is not just about getting paid. It is about being able to show that the services provided were medically necessary, clinically appropriate, properly documented, and delivered by qualified providers.

That protects the provider, protects the payor, and most importantly, protects the families and learners we serve.

My recommendation is simple: do not wait for an audit, recoupment request, or payor review to determine whether your systems are defensible. Start by reviewing your internal workflows now, including documentation, authorizations, credentialing, supervision, treatment plan updates, session note requirements, and billing review processes.

The goal is not to create fear or add unnecessary administrative burden, but to identify gaps, improve communication, and make sure your clinical, operational, and billing processes are aligned before someone outside your organization asks for proof.

The more informed and proactive we are as an industry, the stronger we become operationally, clinically, and consultatively.

We can do better, and in this audit environment, we need to.

Warm Regards,

Kim Finger Ph.D.
CEO ABA Building Blocks