VetsOpenNow

O'Sullivan Animal Hospital

24/7 per posted hours

O'Sullivan Animal Hospital is a veterinary hospital in Barrie, Ontario. Posted hours show this location staffed around the clock. Its website lists rehabilitation & physiotherapy, behavior consultations, senior pet care and end-of-life care & euthanasia, plus 9 other services shown below.

Treats:✓ Dogs✓ Cats? Exotic pets? Farm & equine? = not confirmed — ask when you call.

Contact & location

Address
420 Leacock Dr, Barrie, Ontario L4N 5G5
Phone
(705) 728-8387
Website
https://vcacanada.com/osullivan
Hours

Open 24 hours, 7 days a week

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What O'Sullivan Animal Hospital says it offers

From their own website, read September 18, 2026. Not listed doesn't mean not offered — confirm when you call.

Services listed

  • Wellness & preventive exams
  • Vaccinations
  • Dentistry
  • Surgery
  • Spay & neuter
  • X-ray & radiology
  • Laboratory testing
  • Microchipping
  • Rehabilitation & physiotherapy
  • Behavior consultations
  • Senior pet care
  • End-of-life care & euthanasia
  • Pharmacy
Appointments
Online booking or requests

Data status: Compiled from public sources on 2026-07-27; not independently verified.Spot an error? Report a correction.

Going to O'Sullivan Animal Hospital in an emergency

O'Sullivan Animal Hospital posts 24-hour hours, so there should be a team on site whatever time you arrive. Call on the way in anyway — it lets them prepare for your arrival, and it confirms the overnight shift is staffed tonight. Posted hours occasionally change without the listing being updated.

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Other vets near Barrie, Ontario

Ordered by distance.

O'Sullivan Animal Hospital sets its own prices. Typical Canada emergency rates run C$150–C$300 for exam and triage, C$1,000–C$3,500 with an overnight stay — full cost breakdown, what to do if you cannot pay.

Suspected poisoning: call Pet Poison Helpline on (855) 764-7661 (24/7, consultation fee applies) on the way in.