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.

        Firm Highlights

        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

        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...
        Media Mentions

        U.S. Courts Highlights Annabel Rodriguez’s Journey from Fellow to Mentor

        Verrill attorney Annabel Rodriguez was featured in a recent U.S. Courts article titled “From Fellows to Mentors: Alumni Share Lasting Lessons from...
        Media Mentions

        Robert Keach Discusses Bankruptcy Auction Strategy in Law360

        Verrill attorney Robert Keach spoke with Law360 article examining the complex bankruptcy auction process that resulted in the sale of 23 summer...
        Media Mentions

        Martha Gaythwaite Featured in Portland Press Herald Coverage of Sig Sauer Trial Victory

        Verrill attorney Martha Gaythwaite was highlighted in media coverage of a federal trial in Bangor involving firearm manufacturer Sig Sauer. As...
        Media Mentions

        Law360 Quotes Robert Keach on Senate Bill Affecting Small Business Restructurings

        Verrill attorney Robert Keach was recently quoted in a Law360 article discussing federal legislation that would permanently restore the $7.5 million...
        Alerts and Newsletters

        SAFEs and Preferred Stock – Key Deal Terms Every Founder Should Know

        SAFEs Before negotiating a term sheet for preferred stock, many early-stage companies, particularly at the seed stage, first raise capital through...
        Press Releases

        Verrill Welcomes Business Restructuring and Insolvency Attorney Nimra Tariq

        BOSTON, Massachusetts – Verrill is pleased to announce that Nimra Tariq has joined the firm’s Business Restructuring and Insolvency Group as an...