Charles (Charlie) R. Buck advises health care enterprises on complex transactions and regulatory compliance. He represents a wide range of clients, including proprietary and tax-exempt hospital systems, academic medical centers and faculty practice groups, accountable care organizations, and health maintenance organizations (HMOs) and other health insurers.

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  • Assisted multiple ACOs with formation and Medicare approval
  • Successful consolidation of a physician group with more than 700 members
  • Multiple successful hospital mergers and acquisitions


  • Chambers USA 2006 to 2019
  • The Legal 500 United States, 2015 to 2019
  • The Best Lawyers in America 2008 to 2020, including “Lawyer of the Year” for Health Care Law in Boston, in 2015 and 2018


Stanford Law School – Stanford University, JD, Order of the Coif, 2001
Middlebury College, BA, magna cum laude, 1992


Charles R. Buck

Insights & Events / Media

Boston, Massachusetts / McDermott Event / October 25, 2018

Webcast / McDermott Event / August 10, 2016

Managing the Transition to Transformation / July 6, 2016

Managing the Transition to Transformation / June 23, 2016

AHLA Connections / December 2014

Medicare ACO Participation Waiver of Fraud and Abuse Laws: How It Works ...