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WMCHealth names Dr. Mill Etienne VP, CMO of Western Region
Westchester Medical Center Health Network has appointed Mill Etienne, MD, MPH, FAAN, FANA, FAES as Vice President and Chief Medical Officer of its Western Region, according to Bon Secours Charity Health System, Inc.
By The Desk - Jordan Leahy·August 24, 2026

Dr. Etienne, a nationally recognized neurologist, educator, researcher and physician leader, will focus on advancing clinical quality, patient safety and the patient experience across the region. His role also includes strengthening collaboration among care teams and improving continuity of care for patients and families.
He currently serves as Director of Medicine and Neurology, a position that will inform his new leadership duties.
Leadership Context
- Org
- Westchester Medical Center Health Network, part of Westchester Medical Center Health Network (9 hospitals)
- GPO
- Vizient · Acurity
- Medicare
- National Government Services, Inc. (MAC)
- Status
- 340B Disproportionate Share Hospital · 1,355 beds
Buying bench
- David LubarskyPresident and CEO
- Julie SwitzerChief Legal Officer/ General Counsel/ Executive Vice President
- Leo BoddenExecutive Vice President and Chief Transformation Officer