Gloria M Roetzer Md 6333 Main St Williamsville, NY 14221 Phone : (716) 631-3510 Business Category Physicians & Surgeons-M.D. Rebecca E Molnar Do 6333 Main St Williamsville, NY 14221 Phone : (716) 631-3510 Business Category Physicians & Surgeons-M.D. Williamsville Pediatric Center 6333 Main St Williamsville, NY 14221 Phone : (716) 631-3510 Business Category Physicians & Surgeons-M.D. Physicians & Surgeons-Pediatrics