Millard Fillmore Suburban Hospital 1540 Maple Road Williamsville, NY 14221 (716) 568-3650 8 AM to 4 PM (716) 568-3600 Hospital Operator (716) 568-3020 Fax ... Select your preferred time and wait at home! DeGraff ER Check-In. View Available Times. Powered by InQuicker. MyKaleida Patient Portal. Find a Doctor. Patient Management Department ....