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Kate F. Stewart

Of Counsel

[email protected]



As former in-house counsel at an academic and community hospital system, Kate provides  solutions on a broad range of legal issues affecting health care clients including digital health and privacy regulations, clinical trial compliance, and transactions for for-profit and non-profit clients.

Kate draws on her in-house experience to provide holistic counsel to hospitals, physician groups, clinical laboratories, retail health clinics, pharmacies, and payors, as well as new market entrants and start-ups in the digital health space.

Kate has a depth of experience with regard to clinical and bench research, including contractual matters, FDA regulations and NIH rules, as well as the complex issues at the intersection of transformative models for conducting clinical trials.   

Related to privacy compliance, Kate advises clients on implementing and updating HIPAA policies, crafting compliant solutions to data sharing, and responding to potential breaches under HIPAA and state data breach rules.

Kate additionally has extensive experience with physician contracting and licensing and scope of practice issues. Her practice also encompasses representing providers, payors, and investors in mergers and acquisitions and joint ventures. She additionally counsels nonprofit health organizations on entity formation, governance, and tax-exemption issues.

Prior to rejoining Mintz, Kate served as associate general counsel of Beth Israel Lahey Health, where she focused on clinical, bench, and translational research at a major academic medical center, as well as advising community hospitals on regulatory compliance, physician matters, and transactions. She began her career in private practice at Mintz, first as Summer Associate, and then as an Associate in the Health Law Practice. Directly after graduating from law school, Kate was a law fellow at the O’Neill Institute for National and Global Health Law at Georgetown University, where she focused on international health governance, pre-exposure prophylaxis for HIV/AIDS, and food and drug safety issues.


  • Georgetown University (JD, cum laude)
  • Johns Hopkins Bloomberg School of Public Health (MPH)
  • Tufts University (BA, summa cum laude)


  • Provided state and federal health care regulatory advice to telehealth pioneer Amwell.
  • Served a secondment to a behavioral health administrator, providing guidance on HIPAA compliance and other matters.
  • Counseled providers and telehealth companies regarding multi-state telemedicine practice, including prescribing through telemedicine, corporate practice of medicine, reimbursement and licensing issues. 
  • Drafted and negotiated clinical trial agreements for a pre-clinical pharmaceutical company.
  • Counseled private equity sponsors on health care acquisitions, including fraud and abuse issues, licensure, change of ownership, and privacy matters. 
  • Provided state and federal health care regulatory advice to American Well, a pioneer in telehealth technology.


  • Co-Editor, Chapter Newsletter/Blog, Massachusetts-Rhode Island Chapter, Healthcare Financial Managers Association (2014–present)
  • Former Board Member, Massachusetts-Rhode Island Chapter, Healthcare Financial Managers Association (2016–2020)
  • Member, American Health Lawyer Associate
  • Member, American Bar Association
  • Member, American Telehealth Association

Recent Insights

News & Press


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Drug and device manufacturers will need to update their reporting systems and provide new training to their sales staff in the coming years based on changes to the Physician Payment Sunshine Act included in the final opioid package passed last week. Beginning with data reported in 2022, the Sunshine Act will cover payments made to advanced practice nurses and physician assistants. The change will also impact state laws requiring the reporting of payments made to these provider types, which will be preempted by federal law.
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Employers with workers in Massachusetts will have a lot to do between now and October 1, 2018, when reforms to Massachusetts non-compete laws go into effect.
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Clinical laboratories and hospitals should note the potential changes to the Protecting Access to Medicare Act of 2014 (“PAMA”) reporting requirements tucked into the 1,400 page Physician Fee Schedule Proposed Rule (the “Proposed Rule”) released by CMS earlier this month.
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Privacy and security compliance obligations for health care companies remain hot topics this spring. Health care companies must now contend with data breach laws in all 50 states as well as keeping on top of federal HIPAA developments.
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Late last month, Senators Grassley (R-IA), Brown (D-OH), and Blumenthal (D-CT) introduced the Fighting the Opioid Epidemic with Sunshine Act, a bill that would expand Physician Payment Sunshine Act reporting requirements to cover payments and other transfers of value made to advance practice nurses and physician assistants.
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In a recent Antitrust Alert, our colleagues Dionne Lomax, Bruce Sokler, Robert Kidwell, and Shawn Skolky discuss the allegations in the consolidated class actions, In re Blue Cross Blue Shield Antitrust Litig., the court’s analysis, and its market implications.
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Mintz and ML Strategies will host the 3rd Annual Pharmacy & Pharmaceutical Industry Summit on May 8, 2018! This year's summit will take place in Boston and we are thrilled to announce that Massachusetts Governor Charlie Baker will be the keynote speaker. 
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Our colleagues at ML Strategies have provided their Health Care Weekly Preview for the week of July 24, 2017. This week's preview focuses on the Better Care Reconciliation Act and Senate parliamentary rules. 
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Our colleagues at ML Strategies have provided a Health Care Weekly Preview. This week's preview describes the ongoing wrangling in the Senate over health care reform as well as highlighting the upcoming need to address FDA User Fees and the health care minibus.
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Last week, in a case being watched locally and nationally, the Massachusetts Supreme Judicial Court ("SJC") ruled that local government approval is not required for the operation of a private needle exchange program and that the Town of Barnstable cannot bar such a program from operating.
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News & Press

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Mintz is advising a consortium of investors led by TPG Capital and Welsh, Carson, Anderson & Stowe in their acquisition of Curo Health Services, one of the nation’s leading hospice providers. The definitive agreement was announced on April 23, 2018. The deal is valued at approximately $1.4 billion.