Walter Greenhalgh is a family physician who spent a career as a clinician and leader in the US Navy Medical Corps. Most recently, he served as the director for the National Intrepid Center of Excellence (NICoE), Walter Reed National Military Medical Center in Bethesda, Maryland. NICoE is a clinical research institute that incorporates interdisciplinary care and state-of-the-art facilities and technologies to study and treat military service members and their families dealing with the complexities of traumatic brain injury (TBI), psychological health concerns, and other associated comorbidities. Working with other military services, government, and private organizations, Greenhalgh oversaw the development of a network incorporating similar facilities across the country, advancing the desired end state of an integrated practice unit supporting the military TBI pathway of care.
While in the Navy, Greenhalgh served as a family physician providing care and clinical leadership as a department chief, service-line director, and medical staff president at small remote clinics, community hospitals, and medical centers across the United States and overseas. He has also served in the humanitarian and operational settings while deployed overseas and aboard a Navy hospital ship.
Greenhalgh received his BS in microbiology and immunology at McGill University in Montreal, Quebec and earned an MD from Thomas Jefferson University in Philadelphia, Pennsylvania. He followed an internship in general surgery at the National Naval Medical Center with a tour as a naval flight surgeon and then completed his residency at the Naval Hospital in Bremerton, Washington. Greenhalgh also received an MA in national security and strategic studies at the Naval War College in Newport, Rhode Island.
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