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Maureen Tressel Lewis, MBA

Healthcare Management Consultant
Seattle, WA, US

Tel: +1 206 5045725

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  • BS, Medical Technology, University of Washington
  • MBA, Seattle University, (Beta Gamma Sigma)

Current Responsibility

Maureen is a healthcare management consultant in the Seattle office of Milliman. She joined the firm in 2012.


Maureen specializes in analysis, strategy development, and designing and improving management, operations and performance for health care organizations that helps lead them through strategic and operational transitions.

During her 20-year career in the health care industry, Maureen has consulted with clients on a broad range of topics including:

  • Assessing, developing, and implementing organizational strategies in emerging markets.
  • Conducting and facilitating multi-stakeholder engagement and information gathering processes, synthesizing findings, and developing output for public and private users.
  • Designing and launching programs focused on reducing cost and improving outcomes and integration across the health system.
  • Developing and implementing business turnaround strategy to improve financial and operational performance and customer retention.
  • Evaluating, designing, and implementing strategic account management programs.
  • Planning, evaluating, and improving administrative operations.
  • Managing and benchmarking administrative expense and cost allocation.
  • Developing and implementing processes and programs designed to help secure accreditation by organizations such as NCQA.
  • Writing requests for proposals and managing vendor selection processes.
  • Facilitating strategic planning and evaluation of strategic options.

Maureen works with clients to help them evaluate and respond to new market opportunities, including helping design and implement infrastructure to support public and private Exchange operations and emerging Medicaid and Medicare programs. Maureen has provided executive leadership and management support through numerous RFPs, organizational mergers and reorganizations, and corporate acquisitions.

Prior to joining Milliman, Maureen held senior leadership positions in health plan and population health organizations. In these roles, she led business units with responsibility for end-to-end operations, including developing and implementing numerous strategies designed to turn around business performance and reduce or manage cost.


  • "Provider as Payer: Trends in provider organizations offering direct-to-employer coverage" Presentation, September 2015
  • "Administrative Cost Management" Presentation, November 2014
  • "Supporting the Patient Centered Medical Home" White Paper, June 2011


  • Patient Centered Primary Care Collaborative Executive Committee, 2010 - 2011
  • Work at Milliman

    • “I was offered a chance to come in, shake things up, create something."
    Work at Milliman