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Walter Greenhalgh, M.D.

Walter M. Greenhalgh, CAPT, MC, USN (FS)


CAPT Walter Greenhalgh is the Director for the National Intrepid Center of Excellence (NICoE) Directorate, Walter Reed National Military Medical Center, Bethesda, Maryland. Prior to his selection for this position he served as the NICoE’s Department Chief of Clinical Operations.

CAPT Greenhalgh, raised near Philadelphia, Pennsylvania, earned a Bachelor of Science Degree in Microbiology and Immunology from McGill University, Montreal Quebec, Canada, and then attended Medical School and earned his Doctor of Medicine degree on a Navy Health Professions Scholarship at Thomas Jefferson University, Philadelphia, Pennsylvania. Upon completing an internship in General Surgery at National Naval Medical Center, Bethesda, Maryland, CAPT Greenhalgh then received his Flight Surgeons wings after Training in Pensacola, Florida, followed by a tour at US Marine Corps Base, Quantico, Virginia. CAPT Greenhalgh then completed training in Family Medicine at the Puget Sound Family Medicine Residency, Naval Hospital, Bremerton, Washington, where he also served as Chief Resident.

Family Medicine staff tours included Naval Hospital Naples-Branch Medical Clinic Gaeta, Italy, where he also was Senior Medical Officer, followed by a tour as staff Family Physician at Naval Health Clinic Quantico Virginia, where he was the Director of Primary Care and Chairman of the Executive Committee of the Medical Staff (ECOMS). He was then selected as the first Navy Family Physician and Flight Surgeon to support the US Air Force Flight Medicine Clinic at the Pentagon, followed by another overseas tour of the Naval Hospital, Rota, Spain, serving as both Family Physician and Flight Surgeon, and also assuming the position of ECOMS Chair and then Director of Medical Services.

CAPT Greenhalgh then attended the Naval War College, Newport, Rhode Island, where he received a Masters of Arts Degree in National Security and Strategic Studies. This was followed by orders to the Navy Bureau of Medicine and Surgery, Washington, DC, where he served on the Navy Medical Corps Chief’s staff as the Plans and Policy Officer and as the acting Deputy Medical Corps Chief. During this tour he also deployed to Djibouti, Africa, where he served as the Combined Joint Task Force-Horn of Africa Force Surgeon.

CAPT Greenhalgh is Board Certified in Family Medicine and is a member of the American Academy of Family Physicians and of the Uniformed Services Academy of Family Physicians. His awards include the Defense Meritorious Service Medal (times two), the Meritorious Service Medal (times three), Navy/Marine Corps Commendation Medal, Navy/Marine Corps Achievement Medal (times two), and various unit and qualification ribbons.