Tonawanda Pediatrics, Northwoods Medical Center 3950 E. Robinson Road, Suite 205 West Amherst, NY 14228. Northwoods Medical Center. 3950 E. Robinson Road, Suite 205. West Amherst, NY 14228. Get Directions. Phone: 716-691-3400. (phones turn on at 7:30 am Monday-Friday and at 8:00 am on Saturdays).