ABA rate cuts and billing rules now vary sharply from state to state. Providers and clinicians want autism therapy on the national Medicaid agenda before the patchwork hardens.
Key Takeaways
- State ABA policy is fragmenting fast. New York cut Medicaid ABA rates 25%, Indiana imposed hour caps and accreditation, and a major Georgia managed care plan cut reimbursement 20%, with billing rules now diverging across states.
- A national conversation is being floated. Provider advocates want ABA reimbursement and program integrity placed on the agenda of the National Association of Medicaid Directors, whose fall conference runs October 21 to 23 in Maryland.
- Fragmentation yields uneven results. Medicaid ABA rates range from about $12.50 to more than $40 per 15-minute unit nationwide, and overlapping state rules often add administrative burden without measurably reducing fraud.
- Coordination, with humility, is the ask. Medicaid directors, providers, payers, and families should set shared standards together, rather than each state designing oversight from scratch.
There is no single national approach to how Medicaid pays for and polices applied behavior analysis (ABA). There are roughly fifty, and lately they have been pulling in different directions. In just over a year, New York reduced its Medicaid rate for the main ABA treatment code by 25%, Indiana layered rate cuts on top of a lifetime hours cap and an accreditation mandate, and CareSource, the only one of Georgia’s three Medicaid managed care organizations to win a renewed state contract, told ABA providers it would pay 80% of the state fee schedule or move to terminate their agreements. Every state is reacting to the same pressures, rising spending and federal fraud scrutiny, but each is doing so on its own.
To the providers and clinicians working across state lines, that fragmentation is itself the problem. Dr. Rebecca Thompson, a psychologist and BCBA-D who leads multiple state trade associations, says the inconsistency reaches past rates into the rules that govern care. “Variability in Medicaid reimbursement rates and policies state to state is a real concern,” she told Acuity. “The picture gets even more complex when managed care plans are allowed to implement their own rates and policies with a state, further increasing inequities in service access.” Dr. Mirella Petersen, VP of Payor Relations and Government Affairs at Autism Learning Partners (ALP), which operates across roughly 15 states, argues the answer is to move the conversation up a level, from individual state budgets to a coordinated national discussion among the people who run Medicaid programs. “Rather than New York doing their thing and Massachusetts doing their thing and Oregon, North Carolina, Illinois, all of them doing their own thing, we really need to elevate this,” she said.
A Patchwork of State ABA Cuts and Rules
Consider the range of approaches now in play. New York published its reduction as a change in reimbursement methodology, lowering the 15-minute unit for the main treatment code in two steps. Indiana took a far broader path, combining a rate phasedown with a 4,000-hour lifetime cap, a new supervision ratio, an age cutoff at 21, and a requirement that providers obtain private accreditation by October 2027; Acuity has detailed both the Indiana overhaul and its rate schedule. Georgia’s cut came not from the state but from a managed care plan: Acuity has reported on CareSource’s 20% reduction, which providers could accept or contest at the risk of termination, and which arrived as a second Georgia plan paused a similar move. Massachusetts has leaned on accreditation and aggressive auditing, an approach Acuity has followed through the resulting recoupment disputes.
The divergence extends to the billing codes themselves. Michigan, Virginia, Vermont, and Texas have each restricted concurrent billing, the practice of billing for a supervising clinician and a technician working at the same time, and Acuity has covered the coalition of professional groups challenging those rules. Underlying all of it is enormous variation in rates. National rate data compiled by MediRate and reported in Acuity’s state-by-state coverage shows Medicaid ABA reimbursement ranging from roughly $12.50 per 15-minute unit at the low end to more than $40 in states such as Georgia and New Mexico. A behavior analyst can often cross a state line for materially higher pay, which makes uncoordinated cuts a recipe for talent flight.
Most of these moves trace back to a single trigger. A series of HHS Office of Inspector General audits, four states deep and counting, has flagged more than $600 million in improper or potentially improper Medicaid ABA payments, with problems turning up in every batch of claims sampled. The audits gave every state the same warning, but not a shared answer.
The Case for National Coordination
The objection from providers is not that states should sit on their hands, but that uncoordinated action produces inconsistent results and, in many cases, rules that burden compliant providers without stopping fraud. “A lot of the things being put in play will result in overly restrictive rules on providers that are doing the right thing, and fraud will continue,” Petersen said. “So we didn’t actually solve the problem.” Money saved on ABA, providers warn, tends to resurface elsewhere, since children who lose access still need help in schools, in crisis and emergency care, and in far more expensive residential settings. A coordinated approach, the argument goes, could weigh those downstream effects in a way a single budget-pressed agency cannot.
Clinicians who work with regulators say the goal is a workable partnership, not a standoff. “ABA providers recognize the challenges regulators face with establishing guardrails and standardizing expectations for program integrity,” Thompson said. “We are eager to partner with regulators on rules that align with clinical best practice, preserve access to care, and protect tax-payer dollars.” Petersen is candid that coordination would require concessions from providers too. “I think we need a national conversation where we can put great minds together,” she said. “But it’s going to take some humility on all parts, from the providers, from the executive directors, from Medicaid programs.”
What a National Conversation Would Require
There is a natural venue for such a discussion. The National Association of Medicaid Directors (NAMD) gathers Medicaid leaders from every state, the District of Columbia, and the territories, and its fall conference is scheduled for October 21 to 23 at the Gaylord National Resort in National Harbor, Maryland. Provider advocates, Petersen among them, have urged NAMD to put ABA reimbursement and program integrity on that agenda; she said she has raised it with Stuart Portman, who became NAMD president on April 1 and serves as Georgia’s Medicaid director. Whether ABA actually lands on the agenda is not settled, and Portman’s own state shows how close the pressures sit: he oversees Medicaid in Georgia, where the CareSource cut is taking effect even as he steps into the NAMD role.
What coordination could standardize is concrete enough: consistent medical-necessity and documentation standards, a shared accreditation floor of the kind Massachusetts and Indiana have adopted, and cross-state data-sharing to flag operators who move from one market to the next. The aim, providers say, is to stop fraud without writing rules so sweeping that they also drive out the providers investing in quality care.
Not every piece of that agenda has consensus behind it. Many providers resist a broad accreditation requirement, noting that Massachusetts and Indiana now recognize only a narrow set of accreditors, and some question whether the available accreditation has the independence and the capacity to review the volume of providers those mandates will send toward it. Providers also draw a sharp line between standardizing rates and standardizing rules: many resist standardizing rates, since the cost of delivering care varies widely from one geography to the next, but a number support standardizing policies and documentation, pointing to shared session-note templates so that every provider is held to the same bar and auditors know what a compliant note looks like. Federal action could reshape the debate as well, with providers expecting CMS to weigh in on ABA, though what any guidance would say is not yet known.
None of this is framed as an argument against controlling costs. Providers including Petersen have said some states’ rate adjustments were perfectly workable, and that the point is not to restore rates but to tie reimbursement to oversight, accreditation, and sound program design. The complaint is with the absence of coordination, not the existence of cost control. The hope, as providers describe it, is that the people who run Medicaid will treat ABA as one national problem rather than something each state solves alone.
