The Consulate of Viet Nam in New York is currently not in charge of issuing tourist visas. You can apply an electronic visa (e-visa) for tourism purpose. E-visa is one of visa types issued to foreigners by the Immigration Department of Viet Nam via electronic system. The E- visa is valid for maximum of 30 days, single entry.
You can apply e-visa in this website: https://evisa.xuatnhapcanh.gov.vn
You can contact the Immigration Department of Viet Nam for further information about e-visa for foreigners at
Hotline: +84 24 38264026.