Vets in St Peters, MO
🚨 Emergency care9 vet clinics in St Peters — including 1 with emergency services (marked in red). Call ahead for same-day availability; for after-hours crises, hit the red button.
Red markers = emergency clinics. Click a marker for details.
VEG ER for Pets - St. Peters
250 Mid Rivers Mall Circle, St. Peters, MO 63376
Verified 2026-09-26
Cave Springs Pet Hospital
251 Jungermann Rd, St Peters, MO 63376
Unverified listing — call ahead to confirm hours and availability.
Cooper's Veterinary Care
1101 St Peters Howell Rd, St Peters, MO 63376
Unverified listing — call ahead to confirm hours and availability.
Hepler Animal Hospital
1053 Cave Springs Blvd, St Peters, MO 63376
Unverified listing — call ahead to confirm hours and availability.
Mexico Road Animal Hospital
6180 Mexico Rd, St Peters, MO 63376-1633
Unverified listing — call ahead to confirm hours and availability.
Pet Health Center
4045 N St Peters Pkwy #202, St Peters, MO 63304
Unverified listing — call ahead to confirm hours and availability.
Pet Urgent Care of St Peters
5913 Mexico Rd, St Peters, MO 63376
Unverified listing — call ahead to confirm hours and availability.
Spencer Creek Animal Hospital
520 Jungermann Rd, St Peters, MO 63376
Unverified listing — call ahead to confirm hours and availability.
St. Peters Animal Hospital
16 S Church St, St Peters, MO 63376
Unverified listing — call ahead to confirm hours and availability.
Emergency and after-hours cover in St Peters
One practice in St Peters post 24-hour hours and one offers emergency services — call before setting off; overnight staffing changes and full ICUs divert cases.
Nearest emergency hospitals outside St Peters
- Animal Emergency Clinic — O'Fallon, ~5 miles away, roughly a 15 min drive, open 24h
- Animal Talk Medical Center — Wentzville, ~10 miles away, roughly a 19 min drive
- Veterinary Emergency Group — Brentwood, ~19 miles away, roughly a 25 min drive, open 24h
- Animal Emergency Center — Collinsville, ~33 miles away, roughly a 45 min drive
Distances are straight-line from St Peters; drive times are estimates, not live traffic.
For a suspected poisoning, ASPCA Animal Poison Control on (888) 426-4435 (24/7, consultation fee applies) can give you treatment advice immediately — often while you are still deciding whether to drive anywhere.
About this list
Ordering is objective — 24/7 first, then emergency services, then alphabetical — and no clinic can pay for placement. Across United States, an emergency exam typically runs $100–$250 and an overnight emergency $800–$3,000 — full cost breakdown · if you cannot pay.