Marie C. Lewis, MD

Dedicated and compassionate physician servant leader with expertise in clinical operations, healthcare strategy, and innovation in care delivery. Proven success in aligning clinical excellence with organizational goals, fostering strong partnerships between medical staff, executive leadership and stakeholders, patient-centered focus with high expectations for high quality evidence-based care, and ensuring regulatory compliance and financial sustainability. Passionate about leading physician colleagues as a practicing clinician, engaging physician leadership among multidisciplinary teams, and leading creativity and change within the evolving healthcare landscape.

• Junior Achievement 2025 Best and Brightest Finalist, Health and Life Sciences Category
• Medical Staff President’s Award, 2022
• Ascension St. Vincent, Inpatient Teaching Faculty of the Year - 2020
• Society of Hospital Medicine Career Panel Discussion Participant Nov 2020
• Outstanding Teaching Award 2018, 2019, 2020, 2022, 2023
• St. Vincent Transitional Year Internal Medicine,
• Excellence in Teaching Award - 2011 Dartmouth Hitchcock Department of Internal Medicine
• Dr. Ernest and Nellie Nay Scholarship for Medical Students - 2007

• Clinician Leadership Community 2024 - present
• Physician Mini-MBA Leadership Program, Ascension 2023-2024
• Patient Experience Steering Committee, 2021 - present
• SERT committee 2025 - present
• National Hospitalist Roundtable 2024 - present
• Inpatient Care Model Committee, Ascension National Committee - 2022
• Mission and Mentoring 2022
• Physician Strategic & Operational Engagement Committee - 2020 - present
• LOS Steering Committee, 2020 - present
• Length of Stay Champion - 2018
• Ethics Committee St. Vincent Hospital - 2020
• Advisory Board Talent Leader Development – 2018
• Women’s Physician Advisory Council, St Vincent Indianapolis – 2018