Gary A. Rosenberg

        Counsel

        For more than four decades, Gary has assisted his clients in maneuvering successfully around the traps and pitfalls of the highly regulated world of health care.

        Gary represents clients on a wide variety of corporate and regulatory issues, including primarily Medicare, Medicaid, and private insurer payments issues and appeals; 340B discount drug pricing; compliance and fraud and abuse issues and investigations; and licensing/certification matters. He provides advice and services to a variety of provider entities including teaching, community, and non-acute hospitals; physicians; and other non-institutional practitioners. He also acts as general counsel to a number of physician practices.

        Gary has an active reimbursement practice covering administrative appeals from both claims and cost report disputes and mediation. He has had success in numerous appeals to administrative law judges (ALJs) and Medicare Administrative Contractors (MACs), as well as in federal and state courts. Gary has handled numerous disputes with governmental and commercial payers, especially successfully reducing or eliminating recoupment demands.

        In addition to reading and traveling in his spare time, Gary enjoys cycling, having ridden in the Pan-Mass Challenge five times.

        Services/Industries

        Education

        • Boston College Law School (J.D., cum laude)
        • Stony Brook University (B.A.)
          • National Economics Honor Society

        Bar Admissions

        • Massachusetts

        Court and Other Admissions

        • U.S. District Court for the District of Massachusetts
        • U.S. Court of Appeals for the First Circuit

        Memberships

        • Member, Boston Bar Association
        • Member, Healthcare Financial Management Association
        • Member, American Health Lawyers Association

        Honors

        • Listed in The Best Lawyers in America® under Health Care Law in Boston, Massachusetts 
        • Healthcare Financial Management Association Massachusetts-Rhode Island Chapter Medal of Honor Award Recipient (2016)
        • Muncie Gold Merit Award for Outstanding Service, Massachusetts Chapter of HFMA (2011)
        • AV® Rated by Martindale-Hubbell
        • Selected by peers for inclusion in New England Super Lawyers under Health Care

        Learn more about the third-party ratings, rankings, and selection processes used for inclusion.

        Events
        When: September 24-25, 2026 This Week
        Location: Portsmouth, NH

        Firm Highlights

        Press Releases

        Verrill Welcomes Health Care & Life Sciences Attorney Elpida Velmahos

        BOSTON, Massachusetts – Verrill is pleased to announce that Elpida Velmahos has joined the firm’s Health Care & Life Sciences Group as an...
        Press Releases

        Verrill Welcomes Litigation & Trial Attorney Emma Pooler

        PORTLAND, Maine – Verrill is pleased to announce that Emma Pooler has joined the firm’s Litigation & Trial Group as an Associate, resident in...
        Published Works

        Four Verrill Attorneys Co-Author Massachusetts Trends and Developments Chapter for Chambers and Partners Child Relocation 2026 Guide

        Verrill attorneys Mary H. Schmidt, Rachel A. Deering, Hannah R. Zukoff, and Mariah G. Tappan co-authored the “Trends and Developments” chapter...
        Blog

        A New Protected Class in Maine: Holders of Final Protection Orders

        In the lead-up to Domestic Violence Awareness Month in October, employers may be taking a closer look at how their policies and practices respond to...
        Alerts and Newsletters

        Verrill Secures SJC Victory for Boston Legacy FC in White Stadium Litigation

        Verrill has secured a significant appellate victory for Boston Legacy FC in the litigation challenging the redevelopment of White Stadium in...
        Blog

        Hurry Up and Wait

        This is the third in a series of Verrill blog posts on Maine’s packaging extended producer responsibility (“EPR”) law[1]. In July we reported...
        Media Mentions

        Robert Keach Discusses First Brands Chapter 11 Case in Law360

        Verrill attorney Robert Keach was recently quoted in a Law360 article examining the rejection of First Brands Group's Chapter 11 plan and the...
        Media Mentions

        Cybersecurity and AI Governance: Scott Anderson Featured in Massachusetts Lawyers Weekly

        Verrill Managing Partner Scott Anderson was recently featured in Massachusetts Lawyers Weekly discussing how law firms can build attorney buy-in for...
        Blog

        Section 530A Account Update: ERISA Status of Trump Accounts

        The Department of Labor has issued important guidance addressing whether employer programs that permit contributions to Section 530A accounts (and...
        Press Releases

        97 Verrill Attorneys Recognized by Best Lawyers® 2027, Including Four Named Lawyers of the Year

        AUGUSTA, Maine, BANGOR, Maine, BOSTON, Mass., PORTLAND, Maine, and WESTPORT, Conn., (August 20, 2026) – Verrill is proud to announce that 97...
        Alerts and Newsletters

        SEC’s Proposed “Reg Crypto”: What Founders Need to Know

        Startup founders and emerging-growth companies have a number of options for raising capital under the federal securities laws, including Regulation D...
        Blog

        After 45 Years, the IRS Speaks on DCAP Nondiscrimination Testing – And It’s Good News

        Employers that provide a Dependent Care Assistance Program will be pleased to learn that for the first time in 45 years, the IRS has issued guidance...