Kate McDonald represents clients across the healthcare industry on complex regulatory matters and high-stakes mergers and acquisitions, affiliations and other investments. She has particular expertise in federal and state laws applicable to health insurers and HMOs, including the downstream implications of these rules for the provider organizations and vendors that work with them, as well as the reimbursement landscape of federal healthcare programs.

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  • Represented CVS Health Corp. in connection with its approximately $70 billion acquisition of Aetna Inc., leading a multidisciplinary team of McDermott attorneys advising on health regulatory, tax, real estate, IP, IT and other matters.
  • Provided corporate, health and tax representation for CVS Health Corp. in connection with the divestiture of Aetna Inc.’s standalone Medicare Part D prescription drug plans to a subsidiary of WellCare Health Plans, Inc.
  • Successfully represented Medicare Advantage organizations and Part D plans in connection with administrative appeals of Quality Star Ratings and application denials.

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  • Legal 500 United States, 2019 – 2020
  • McDermott Will & Emery Client Service Award, 2019
  • American Health Lawyers Association, Pro Bono Champion, 2014


  • American Health Lawyers Association, Payers Plans and Managed Care Practice Group; Vice Chair, Medicare Advantage and Part D Affinity Group
  • National Women’s Law Center, Leadership Advisory Committee
  • DC Bar, Health Law Section


Georgetown University Law Center, JD, cum laude, 2010
University of North Carolina at Chapel Hill, BA, with highest honors, 2007

District of Columbia

Kate McDonald

Insights & Events / Media

McDermottPlus / October 29, 2020

Webinar / McDermott Event / July 29, 2020

Chicago, IL / Speaking Engagements / September 5, 2019

Washington, DC / Speaking Engagements / April 30, 2019

Thomson Reuters / April 2019

Lake Buena Vista, Florida / Speaking Engagements / January 27, 2019

Washington, DC / McDermott Event / November 14, 2018

Chicago, Illinois / Speaking Engagements / November 2, 2018

Baltimore, Maryland / Speaking Engagements / May 21, 2018

Webinar / Speaking Engagements / February 15, 2018

Thomson Reuters Health Law Handbook / 2017 Edition










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