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The Short Answer: Federal, State, and Successor Liability All Hit at Once
If you sponsor or operate a behavioral health platform in 2026, plan for three things simultaneously: coordinated federal scrutiny out of the FTC, DOJ Antitrust Division, and HHS; state pre-close notice regimes with real teeth in Massachusetts and now California; and successor liability that follows the buyer post-close. That is the operating reality. Not a forecast.
The longer answer starts on March 5, 2024. On that date, the FTC, DOJ Antitrust Division, and HHS jointly launched a cross-government public inquiry into private-equity and other corporations’ increasing control over health care. The joint Request for Information asked for public comment on deals conducted by health systems, private payers, private equity funds, and other alternative asset managers involving health care providers, facilities, or ancillary products or services. Behavioral health providers were named on the list. That was deliberate.
FTC Chair Lina Khan framed the intent at launch: “the FTC will continue scrutinizing private equity roll-ups, strip-and-flip tactics, and other financial plays that can enrich executives but leave the American public worse off.” Three agencies. One inquiry. Shared data.
Two months later, on May 9, 2024, Assistant Attorney General Jonathan Kanter announced the DOJ Antitrust Division’s Task Force on Health Care Monopolies and Collusion. The task force pulls together civil and criminal prosecutors, economists, industry experts, technologists, data scientists, investigators, and policy advisors, and its stated targets include payer-provider consolidation, serial acquisitions, labor and quality of care, medical billing, and health care IT services. Kanter’s line: the task force will “identify and root out monopolies and collusive practices that increase costs, decrease quality and create single points of failure in the health care industry.”
If your diligence file still assumes a quiet HSR filing and a routine change-of-ownership licensure application, you are working from a 2019 map.
The State Regimes Sponsors Actually Have to Clear
Massachusetts. Governor Maura Healey signed Chapter 343 of the Acts of 2024 on January 8, 2025, with the material change amendments effective April 8, 2025. The HPC now has expanded authority to request information from significant equity investors and other parties to a transaction, including capital structure, overall financial condition, ownership and management structures, and audited financial statements.
The statute defines a Significant Equity Investor as (i) any private equity company with a financial interest in a provider, provider organization, or MSO, or (ii) any investor, group of investors, or other entity with direct or indirect equity ownership totaling more than 10 percent of a provider, provider organization, or MSO. That sweeps in most PE-backed behavioral health platforms operating in the Commonwealth.
Providers with more than $25 million in Net Patient Service Revenue in the preceding fiscal year must file a Notice of Material Change with the HPC, CHIA, and the Attorney General at least 60 days before the effective date of the transaction, and the HPC may escalate to a Cost and Market Impact Review, which extends the pre-close timeline. And on February 5, 2026, the HPC proposed further amendments to 958 CMR 6.00 and 958 CMR 7.00, including a five-year post-transaction data submission window, per the Epstein Becker Green analysis of the Proposed Regulations.
California. Governor Newsom vetoed AB 3129 in 2024. He then signed AB 1415 on October 11, 2025, amending the OHCA statute to expand oversight to management services organizations, private equity groups, and hedge funds beginning January 1, 2026. AB 1415 creates a new category of “noticing entity,” including private equity groups, hedge funds, MSOs, and newly created business entities formed to enter into agreements with healthcare entities. Those entities must file a 90-day pre-close notice with OHCA. Newsom also signed SB 351 on October 6, 2025, codifying corporate practice of medicine limits on how PE-owned MSOs contract with licensed clinicians. Any deal touching California has to plan for the 90-day window and for a potential CMIR on top of it.
The rest. New York’s Article 45-A material transaction notification took effect August 1, 2023. Policymakers in multiple states have been busy on the same theme: at least seven states, including California, Indiana, Massachusetts, Maine, New Mexico, Oregon, and Washington, enacted laws in 2025 requiring more oversight of private equity acquisitions in health care. Sponsors underwriting a multi-state platform have to map each one before signing an LOI, not after.
What Diligence Actually Has to Cover Now
A real behavioral health diligence file in 2026 looks different than it did three years ago. My team at AHS pulls UR denial trends by payer, SIU audit history, the last three state survey reports, every corrective action plan and its closure documentation, ASAM Criteria 4th Edition level of care assignments against the actual programming delivered, and the EMR audit logs. Not the policies. The logs.
Here is what kills deals at LOI. A target presents itself as a clinically managed high-intensity residential program under the ASAM Criteria 4th Edition, but the chart audit shows programming hours and clinical staffing that map to a lower residential level. That is not a documentation gap. That is billing exposure that follows the buyer post-close.
Payer readiness matters as much as the regulatory file. My team has reviewed targets in Florida and Texas carrying $4 million to $7 million in aged AR that the seller’s QofE deck treated as collectible. It was not. Timely filing had blown on most of it. Read the AR aging by payer, by date-of-service bucket, before you sign the LOI.
Sponsors should also read the enforcement signal in the data. The Private Equity Stakeholder Project found that PE-backed companies represented 75 of 697 bankruptcies in 2024 (11% of all corporate bankruptcies) and 27 of 48 bankruptcies with more than $500 million in liabilities at filing (56% of large bankruptcies). In health care specifically, PE was overrepresented: 7 of the 8 largest healthcare filings and 21% of all healthcare bankruptcies. Regulators read that report. So do their outside counsel.
Governance After Close Is Where Sponsors Get Burned
The corporate practice of medicine doctrine is not new. What state AGs are doing with it in 2026 is new. The Massachusetts AG, the Oregon AG, and Rhode Island AG Peter Neronha have all publicly scrutinized management services agreements that give the MSO control over clinical hiring, clinical protocols, or clinical scheduling.
Steward Health Care is the case study every state legislator now cites. On May 6, 2024, Steward filed for Chapter 11 bankruptcy, reporting over $9 billion in liabilities, including $290 million in unpaid employee wages and benefits, nearly $1 billion in unpaid bills to vendors and suppliers, and $6.6 billion in long-term rent obligations to its landlord, Medical Properties Trust. Cerberus Capital Management owned Steward from 2010 to 2020. That is the backdrop your MSA gets read against.
If your MSA reads like the MSO is running the clinic, you have a problem regardless of how the org chart is drawn. My team rewrites a lot of these. Usual friction points:
- Clinical leadership reporting lines. The clinical director answers to the licensed clinical entity, not the MSO.
- EMR access controls. MSO finance and billing staff get the access they need, nothing more.
- Level of care decisions. ASAM placement and discharge sit with licensed clinicians inside the professional entity. Full stop.
Sponsors who seat zero independent clinical voices on a portco board create a finding waiting to happen during the next AG inquiry or DOJ civil investigative demand. In Massachusetts, the definition of Significant Equity Investor is wide enough that many sponsors will trip the notice requirement without realizing it.
The Operating Model Has to Match the Thesis
Most behavioral health PE theses I read assume census growth, payer mix improvement, and margin expansion through shared services. Fine. But the operational backbone has to actually exist. I have walked into post-close situations where the platform ran three EMRs across five sites, no unified UM workflow, and one compliance officer splitting time with HR. The deck said 40% EBITDA by year three. The reality was a $1.2 million remediation spend before that platform could credential consistently across four states.
The macro picture reinforces the point. PESP reported that PE-related bankruptcies in 2024 resulted in at least 65,850 layoffs across the country. And per the same report, since 2018 Steward alone closed six hospitals in the US, resulting in the layoffs of at least 2,650 workers and cuts to service lines including obstetrics, behavioral health, and cancer care. That is what underfunded operations look like at scale.
Multi-site behavioral health does not scale on willpower. Operators scale it by building:
- A unified intake and utilization management function
- Consistent ASAM Criteria 4th Edition application across every site in the network
- One source of truth for credentialing
- A compliance calendar that tracks every state survey window, every accreditation cycle, and every payer audit response deadline
What I tell sponsors before they sign the LOI. Three things.
First, do real regulatory diligence, not a checklist. Pull the actual survey reports from the state agency. In Florida that is AHCA and DCF. In Texas that is HHSC. Read the findings. Read the CAPs. Talk to the clinical leadership without the seller’s banker in the room when possible.
Second, model the compliance and operations spend honestly. A behavioral health platform doing $30 million in net revenue across four states needs a real compliance function, a real UM function, a real revenue integrity function, and an EMR strategy. Sponsors who underfund any of these to hit a model end up staring at a civil investigative demand 18 months post-close.
Third, decide before you close what you are building. Either you are building a clinically excellent platform that produces durable margin, or you are arbitraging reimbursement. Sponsors who choose the first survive the next enforcement wave. The second group does not.
If you want to talk through what the current enforcement environment means for a specific platform, Leah Kendall and Shalini Karapetian will be at WCSAD 2026 in San Diego May 28 to 30. AHS is also sponsoring the South Florida Behavioral Health Coffee Morning on May 20 at Harvest Patio in Boca Raton at 10 a.m. Come say hello.
Frequently asked questions
What triggers a Notice of Material Change filing in Massachusetts for a behavioral health acquisition?
Under Chapter 343 of the Acts of 2024, with material change amendments effective April 8, 2025, a provider or provider organization with more than $25 million in Net Patient Service Revenue in the preceding fiscal year must file a Notice of Material Change with the HPC, CHIA, and the Attorney General at least 60 days before any change of ownership or control involving a Significant Equity Investor. Under the statute, a Significant Equity Investor is any private equity company with a financial interest in a provider, provider organization, or MSO, or any investor with more than 10% direct or indirect equity ownership. The HPC can escalate to a Cost and Market Impact Review, which extends the pre-close timeline.
Did California AB 3129 actually become law, and what applies now?
No. Governor Newsom vetoed AB 3129 in 2024, citing that OHCA was already positioned to evaluate these transactions. Separately, AB 1415, signed October 11, 2025 and effective January 1, 2026, requires private equity groups, hedge funds, MSOs, and newly created entities to notify OHCA at least 90 days before closing certain healthcare deals involving material changes. Newsom also signed SB 351 on October 6, 2025, codifying corporate practice of medicine limits. Sponsors should plan for pre-close OHCA review, and a potential CMIR, on any California-facing deal.
How concentrated is private equity in healthcare bankruptcies?
According to the Private Equity Stakeholder Project, PE-backed companies accounted for 21% of all healthcare bankruptcies in 2024 and 7 of the 8 largest healthcare bankruptcies (those with liabilities exceeding $500 million). PE-related bankruptcies in 2024 produced at least 65,850 layoffs across all sectors. Steward Health Care, owned by Cerberus Capital Management from 2010 to 2020, filed Chapter 11 on May 6, 2024 with over $9 billion in liabilities, including $6.6 billion in long-term rent obligations to Medical Properties Trust.
What did DOJ Assistant Attorney General Jonathan Kanter say the new Health Care Task Force will target?
At the May 9, 2024 announcement, Kanter said the Task Force on Health Care Monopolies and Collusion will “identify and root out monopolies and collusive practices that increase costs, decrease quality and create single points of failure in the health care industry.” DOJ identified priority areas including payer-provider consolidation, serial acquisitions, labor, quality of care, medical billing, healthcare IT services, and access to and misuse of healthcare data. That priority list maps directly onto multi-site behavioral health roll-ups.
References
- FTC, DOJ, and HHS Launch Cross-Government Inquiry on Impact of Corporate Greed in Health Care (March 5, 2024)
- DOJ Antitrust Division: Assistant Attorney General Jonathan Kanter Announces Task Force on Health Care Monopolies and Collusion (May 9, 2024)
- Massachusetts Session Law: Chapter 343 of the Acts of 2024, An Act Enhancing the Market Review Process
- Massachusetts HPC Bulletin HPC-2025-01: Advance Guidance on Material Change Notices
- Goodwin: California Governor Signs AB 1415, Extending Healthcare Transaction Oversight to MSOs (October 2025)
- Private Equity Stakeholder Project: 2024 Private Equity Bankruptcies Report
- Private Equity Stakeholder Project: The Pillaging of Steward Health Care
- Epstein Becker Green: Massachusetts HPC Proposed Regulations (February 2026)