Network Contract Office 1, Regional Procurement Office East on behalf of the Department of Veterans Affairs, VISN 1, West Roxbury VA Medical Center 1400 VFW Parkway West Roxbury, MA 02132-4927. This is a new, brand name requirement. West Roxbury VA Medical Center is requesting full leasing, preventative maintenance, and repair services for 6-month lease of (1) BRAND NAME OR EQUAL Siemens Horizon Mobile PET/CT System.