There are 18.8 million veterans in the United States. Of those, an estimated 8.9 million veterans receive care from the 168 VA medical centers and 1,053 outpatient sites under the Veterans Health Administration.The VHA is the largest integrated healthcare system in the country, has received $2.5 billion from the Veterans Choice and Accountability Act to hire more physicians, and has implemented a tool that allows patients to access average wait times and quality of care data.

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