Private Equity

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On October 11, 2025, Governor Gavin Newsom signed into law Assembly Bill 1415 (“AB 1415”), which amends the California Health Care Quality and Affordability Act (the “Act”) to require pre-transaction clearance and data reporting from private equity groups, hedge funds, and management services organizations (“MSOs”), and certain other entities involved in healthcare transactions. Effective January 1, 2026, the law represents a significant expansion of the authority of the California Office of Health Care Affordability (“OHCA”), which already has broad review power over transactions involving many different provider and payor entities.Continue Reading Governor Newsom Signs AB 1415 Expanding OHCA Oversight to Private Equity and MSOs

On Monday, October 6, 2026, Governor Gavin Newsom signed into law SB 351, which codifies restrictions on private equity firms and hedge funds from influencing the clinical decision-making of California physicians and dentists.Continue Reading California Enacts SB 351: New Law Aimed at Limiting Private Equity Influence on Healthcare Businesses

The inexorable expansion of the False Claims Act (“FCA”) to cover virtually all types of cybersecurity breaches and violations – to include allegedly poor practices and failure to fully adhere to security controls – continues. At one time, an organization might have thought that it was unlikely to face a potential FCA investigation and litigation relating to its cybersecurity practices. That day is long past. Two recent FCA settlements illustrate the expansion: one is the first cybersecurity FCA settlement relating to healthcare Quality System Regulations (“QSR”) and the other involves the first settlement with a defense contractor that also pulls in its private equity owner.Continue Reading The Expanding Scope of FCA-Cybersecurity Liability

State oversight of healthcare transactions is continuing to undergo a significant transformation. As tracked in our updated Healthcare Merger Matrix, the number of states implementing or considering expanding antitrust laws targeting proposed deals continues to rise.[1] For instance, Washington and Colorado’s premerger notification laws went into effect on July 27 and August 6, 2025, respectively, and Indiana recently modified its existing transaction notice law to exempt certain practitioner-owned practices.[2] Additionally, New Mexico enacted a permanent version of its temporary transaction notification law with enhanced oversight and enforcement.[3]Continue Reading State Antitrust Enforcement Roundup: Updates to Healthcare Merger Matrix; New Potential Legislation Targeting Private Equity and Other For-Profit Entities in Healthcare

Overview of SB 951

Oregon Governor Tina Kotek on Monday, June 9, 2025, signed a first-of-its-kind law that significantly reshapes the state’s regulatory landscape for non-physician investment in medical practices. Senate Bill 951 (“SB 951” or the “Law”) imposes broad restrictions on how non-professional parties, such as private equity firms and other non-physician investors, participate in the ownership, management, and operation of medical practices in Oregon. The Law strengthens and expands Oregon’s existing corporate practice of medicine (“CPOM”) prohibition, directly impacting the way investors, management services organizations (“MSOs”), and professional medical entities structure their relationships. The Law has garnered national attention for its aggressive stance on limiting corporate involvement in healthcare and signals an evolving trend in the state regulation of private equity (and other investor) backed medical practices.Continue Reading Oregon Targets Corporate Practice of Medicine with Enacted Bill: What SB 951 Means for MSOs, PE-Backed Physician Groups, and Physicians

On August 1, 2023, the New York State’s Department of Health (the “DOH”) began implementation of Public Health Law Article 45-A, the State’s new statutory requirement for advance notice and public disclosure of certain material healthcare transactions (the “Material Transactions law”). Now, in response to questions from the healthcare community regarding the reporting requirements and statutory interpretation, the DOH has released a set of Frequently Asked Questions (FAQs) to clarify the scope and application of the Material Transactions law.Continue Reading New York State Releases Much Anticipated Guidance on Reporting Requirements for Material Healthcare Transactions as Budget Negotiations Near Conclusion, Potentially Expanding Law to Include Pre-Closing Review

State legislatures on the West Coast are intensifying their focus on private equity and management service organizations (MSOs) in healthcare, introducing new regulatory measures that could significantly reshape investment strategies, ownership structures, and operational matters in the healthcare space in these states. As state legislatures respond to growing concerns about the role of non-licensed entities in healthcare decision-making, recent proposals reflect a heightened focus on transaction scrutiny, ownership structures, and the autonomy of licensed providers.Continue Reading Major Regulatory Updates from the West Coast: New California and Washington Approaches to Healthcare Private Equity and MSO Regulation

Sheppard Mullin partners, Cyrus Abbassi and Leonard Lipsky, served as panelists at the annual Orthopedics Today Conference in Kauai, Hawaii, held in January 2025. During a spirited discussion with various stakeholders in the orthopedics industry, they noted the following key takeaways:Continue Reading Four Takeaways from the Orthopedics Today Conference 2025

On January 8, 2025, Massachusetts Governor Maura Healey signed House Bill 5159 (“H.5159”) into law, marking a notable expansion of the regulation of private equity investments within the Massachusetts healthcare sector. The legislation, set to take effect on April 8, 2025, introduces new measures to enhance transparency and accountability in healthcare transactions, focusing specifically on private equity firms, real estate investment trusts (“REITs”), and management services organizations (“MSOs”). This development also reflects a broader trend across the nation of increasing scrutiny of healthcare transactions and investments by private equity firms and other investors, as highlighted in our previous blog series on California’s Assembly Bill 3129.[i]Continue Reading Massachusetts Expands Oversight of Private Equity Investment in Healthcare: Key Takeaways from House Bill 5159 Signed into Law by Governor Healey

On September 28, 2024, Governor Newsom vetoed Assembly Bill No. 3129 (AB 3129), which would have required private equity groups and hedge funds to obtain the Attorney General’s written consent at least 90 days prior to acquisitions or changes of control of certain health care facilities, provider groups, and other providers. More information on the background, evolution, and projected impact of AB 3129 is available at our AB 3129 blog series.[1]Continue Reading Update: Governor Newsom Vetoes California’s AB 3129 Targeting Healthcare Private Equity Deals

On July 18, 2024, the Massachusetts Senate passed S. 2871, An Act Enhancing the Health Care Market Review Process (the Bill), to increase oversight of healthcare transactions involving private equity firms, real estate investment trusts, and management services organizations (MSOs). The Bill is another example of the increasing trend towards curbing private equity influence in health care, as highlighted in our previous blog series on California’s Assembly Bill 3129.[1] In Massachusetts, 51% of all healthcare provider transactions in the past decade have involved private equity firms,[2] and the Bill targets such involvement with the goals of expanding care and medication access and improving transparency and affordability, particularly in the primary care space.Continue Reading Massachusetts Senate Passes Bill to Increase Oversight of Private Equity Healthcare Transactions