Animal Emergency Clinic
Animal Emergency Clinic is a veterinary hospital in O'Fallon, MO. Phone number, posted hours, directions and a map are below, along with the nearest alternatives if they are closed or full. Posted hours show this location staffed around the clock.
Contact & location
- Address
- 334 Fort Zumwalt Square, O'Fallon, MO 63366
- Phone
- (636) 339-4345
- Hours
Open 24 hours, 7 days a week
Data status: Verified by our pipeline on 2026-07-27.Spot an error? Report a correction.
Going to Animal Emergency Clinic in an emergency
Animal Emergency Clinic 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.
Other vets near O'Fallon, MO
Useful if Animal Emergency Clinic is booked, closed, or not taking new patients. Ordered by distance.
- VCA All Creatures Animal HospitalO'Fallon · ~1 miles · 🚗 ~5 min
- Fisher Animal HospitalSaint Peters · ~3 miles · 🚗 ~9 min
- Gentle Doctor Animal HospitalO'Fallon · ~3 miles · 🚗 ~10 min
- Pet Pals Animal HospitalSaint Peters · ~4 miles · 🚗 ~11 min
- Wentzville Animal HospitalWentzville · ~9 miles · 🚗 ~16 min
- Bear Creek Animal HospitalWentzville · ~9 miles · 🚗 ~17 min
Animal Emergency Clinic sets its own prices. Typical United States emergency rates run $100–$250 for exam and triage, $800–$3,000 with an overnight stay — full cost breakdown, what to do if you cannot pay.
Suspected poisoning: call ASPCA Animal Poison Control on (888) 426-4435 (24/7, consultation fee applies) on the way in.