BLOCK, SANDRA A MD is categorized under PHYSICIANS & SURGEONS specializing in CLINICAL NEUROPHYSIOLOGY and located at 325 Essjay Rd. Ste. 2 in or near the Williamsville, NY area. Find additional information including website, e-mail, map, and directions - OriginalYP.com®. Find additional PHYSICIANS & SURGEONS at MedicalYP.com ®.