Home › Top 4 Veterinary Clinics in Effingham, Illinois Find best Veterinary Clinics in Effingham, Illinois, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Pet Wellness Center of Southern Illinois US, Effingham, IL 624011911 W Evergreen Ave Walton & Haarmann Veterinary Clinic US, Effingham, IL 62401407 E Jefferson Ave Effingham Veterinary Clinic US, Effingham, IL 62401408 N Keller Dr Advanced Veterinary Care, LLC US, Effingham, IL 62401700 W Wabash Ave