Health Care 2025: NANTZ, MARK

As the head of Valley Health, Nantz oversees about 6,000 employees and six hospitals, as well as more than 70 medical practices. The not-for-profit health system serves a population of more than 500,000 in the Shenandoah Valley, West Virginia and Maryland.

Before joining Valley Health in 2020, Nantz held executive roles at Bon Secours Mercy Health, including as chief administrative officer and president of the Atlantic Group, a role where he was responsible for 14 hospitals and other services in South Carolina, Virginia, Maryland and Florida.

Nantz has a degree in accounting from the University of North Carolina at Charlotte and a master’s in health administration from Pfeiffer University in North Carolina. He chairs the Virginia Hospital & Healthcare Association’s board.

In May, the health system broke ground on the Valley Health Behavioral Health Pavilion on the Winchester Medical Center campus. The freestanding center will consolidate the health system’s mental health services offered in Winchester. Its expected completion is late summer 2026. In July, Nantz warned that Valley Health expects to lose more than $50 million in revenue following federal Medicaid cuts in a bill signed July 4 by President Donald Trump.

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