Home › Top 5 Veterinary Clinics in O'Fallon, Illinois Find best Veterinary Clinics in O'Fallon, Illinois, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Banfield Pet Hospital - O'Fallon (IL 62269) US, O'Fallon, IL 622691570 W, US-50 All About Pets Veterinary Hospital US, O'Fallon, IL 62269807 W State St James L. Jessen, DVM US, O'Fallon, IL 622692006 W Hwy 50 Animal Hospital of O'Fallon US, O'Fallon, IL 62269306 E Hwy 50 Healthy Pets Animal Hospital and Rehabilitation Center US, O'Fallon, IL 622692006 W Hwy 50
