Veterinary Specialty Services (VSS) - West (O'Fallon)

Hours: Emergency care: 24 hours on weekdays, weekends and holidays. Referral specialty care: Mon-Thu 9 am-5 pm, by appointment only.

What it is

Emergency and 24/7 care

Type of help

Emergency care

Where

St. Louis metropolitan region

Status

Open

Checked

on the official website, November 5, 2026

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Emergency and critical care hospital with referral specialty care. Second location of Veterinary Specialty Services. Accepts cash, major credit cards, Cherry and CareCredit; payment is due at the time of service. Open 24 hours

Checked on the official website · November 5, 2026 What this means
An independently researched listing, not a statement of partnership or endorsement.

Good to know

• How to get started: For an emergency, call the emergency line at (636) 244-8999 or bring your pet to the hospital.

Emergency? Call your veterinarian or the nearest 24-hour emergency hospital now, and tell them if cost is a barrier. Emergency signs and poison hotlines

If cost is the barrier: Paying for Care compares grants, payment plans and fundraising, and a free funding plan puts them together for your pet.

Also from this organization

• Veterinary Specialty Services (VSS) - Manchester · Manchester

More emergency and 24-hour vets near O'Fallon

• Animal Emergency Clinic (O'Fallon) · O'Fallon · 4 mi
• VEG ER for Pets - St. Peters · St. Peters · 7 mi
• Animal Emergency Clinic (Kirkwood) · Kirkwood · 23 mi
• VEG ER for Pets - Brentwood · Brentwood · 23 mi

Other help near O'Fallon

• Spay/neuter St. Charles County Low-Cost Spay/Neuter Program · St. Peters · 6 mi
• Other help St. Charles County Pet Adoption Center (Division of Humane Services) · St. Peters · 6 mi
• Pet food St. Charles County Pet Food Pantry · St. Peters · 6 mi
• Low-cost care APA Adoption Center - Pet Partners (Pet Wellness Support) · Brentwood · 23 mi
• Vet clinic Belleville Area Humane Society SafePets Program · Belleville · 44 mi

All 68 programs in Missouri →

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Sources

Veterinary Specialty Services (VSS) - West (O'Fallon) official page, checked November 5, 2026.

Published by Sean Arenas, Help My Pet · How we check listings