Alexander Medical Group 222 Alexander Street, Suite 2400 Rochester NY 14607 Hours M-F: 8:30am–4:00pm Phone: 585.546.1272 Fax: 585.325.4443. On Site Lab Services 222 Alexander St., Suite 2800, Rochester NY 14607 Hours M-F: 7:30am–5:30pm Hours Sat: 8:00am–12:00 Noon. On Site Radiology 214 Alexander St., Suite 1000, Rochester NY 14607 Hours ....