How far are you from the University of Illinois? Here's a link with a phone number:
Services for Dogs & Cats | University of Illinois Veterinary Teaching Hospital
They do emergencies, internal, and neurology....
From the link:
Small Animal Clinic
General appointments and emergencies: 217.333.5300
Our Hours
Our general service hours are 8 am to 5 pm.
Emergency – 24 hours a day/365 days per year. No appointment is necessary. We encourage you to call ahead to speak with a veterinarian so we can be prepared for your specific needs.
Specialty Services – Hours vary by service area. Please contact us to discuss appointment times.
Primary Care (Small Animal)
Tuesday, Thursday 2 pm - 8 pm
Wednesday 10 am - 4 pm
Friday, 10 am - 3 pm
Saturday 8:30 am - 11 am