Cheektowaga Laboratory Services Plan Your Visit 20 Losson Rd Cheektowaga, NY 14227 Phone Number (716) 668-0667 (716) 668-0874 Get Directions Servicing Hours Hours Monday - Friday: 6 a.m. to 3:30 p.m. Saturday: 8 a.m. to 11:30 a.m. Appointments Monday - Friday: 7:30 a.m. to 1:30 p.m. Services Blood Testing