We are open and here for you and your pets!
Click here to learn about the changes we've made in response to COVID-19 and what to expect during your next visit.

In an Emergency

O’Sullivan Animal Hospital is open 24 hours a day / 7 days a week! We’re proud to be a 24 hour Veterinary Hospital in Barrie, Ontario!

We now have dual accreditation as an emergency and animal companion hospital. Call us 24/7 in the event of an emergency.