M. Daria Niewenhous

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  • New England Law (JD, 1990)
  • Villanova University (MA, 1984)
  • Salem State College (BA, 1980)

Bar Admissions

  • Massachusetts
  • First Circuit Court of Appeals

Daria's practice ranges from transactional matters to general counsel services. She has extensive experience with the merger and acquisition of hospitals, long-term care facilities, clinics, assisted living facilities, home health and hospice programs, group practices, substance use disorder facilities, and other provider entities. She guides clients through the regulatory aspects of capital projects and other strategic initiatives. Active in health care reform matters, Daria is currently working with clients on ACO formation, clinical integration and affiliation, and similar arrangements. In addition, Daria provides experienced counsel in areas of contracting, patient care/risk management matters, privacy and security of patient information (HIPAA), and addressing adverse events, including crisis management. 

After beginning her legal career at Mintz Levin, she served as Vice President of Legal Services at Lahey Clinic, Burlington, Massachusetts. While at Lahey, she provided comprehensive general counsel services, advising physician leaders and management on all aspects of the Lahey delivery system, which includes a tertiary care teaching hospital, licensed primary care and specialty clinics, and a community group practice network.

A Mintz Levin Pro Bono Award recipient, Daria brings years of domestic violence advocacy to educate providers on domestic violence’s impact on the workplace and patient care. She is a participant in Mintz Levin’s pro bono Domestic Violence Project and was director of the project from 1993 to 1999. She is a local and national speaker on domestic violence-related issues, particularly regarding domestic violence in the workplace and in the health care setting. She has been a guest lecturer on this topic at Boston College School of Nursing, the Harvard School of Public Health, and Stonehill College, and at grand rounds at the Dana-Farber Cancer Institute.

Recognitions & Awards

  • Best Lawyers in America: Health Care Law (2013 – 2018)
  • Chambers USA: Massachusetts – Healthcare (2013 – 2018)
  • Included on the Massachusetts Super Lawyers: Health Care list (2013 – 2017)
  • Nightingale’s Healthcare News: Outstanding Hospital Lawyer (2008)
  • Mintz Levin Pro Bono Award (1997)

Professional & Community Involvement

  • Member, American Health Lawyers Association
  • Co-Chair, Governance Affinity Group, AHLA Business Law and Governance Practice Group
  • Member, Boston Bar Association, Health Law Section
  • Member, American Bar Association
  • Director, StonehamBank – A Co-operative Bank, Stoneham, Massachusetts
  • Member, Community Advisory Board, Community Legal Services and Counseling Center