O'Sullivan Animal Hospital

420 Leacock Dr
Barrie ON L4N5G5

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Opening Hours

  • Mon: 12am-11:59pm
  • Tue: 12am-11:59pm
  • Wed: 12am-11:59pm
  • Thu: 12am-11:59pm
  • Fri: 12am-11:59pm
  • Sat: 12am-11:59pm
  • Sun: 12am-11:59pm


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Drop in and come see our NEW Animal Hospital. Larger and more exam rooms. New prescription drive-thru for easy prescription pick up. New hydro therapy pool and underwater treadmill. Dry rehab center for after orthopedic surgery. O'Sullivan Animal Hospital is a full-service veterinarian clinic in Barrie, open 24 hours a day, 7 days a week, all year round. We do not charge emergency fees. Book an appointment for your pet today.