24 Hour Emergency Vet Hospital and Urgent Pet Care in Brentwood, Missouri

Dr. Kathryn O'Brien-Groom
Medical Director
University of Missouri College of Veterinary Medicine
Dr. O’Brien-Groom’s first job out of school was at a private practice ER/specialty center in St. Louis. She has remained in emergency medicine since that time, with 7 years of teaching/academia and a few years in general practice sprinkled in. She joined VEG in August 2023, and is passionate about their mission of helping people and their pets when they need it most, in addition to providing patients with high quality medical care.
VEG animal hospital in Brentwood, Missouri is open 24/7 to handle any veterinary emergency in St. Louis County – big or small. Our animal care team provides pet emergency care for dogs, cats, birds, and even exotics! Our VEG veterinary clinic is just west of St. Louis; within minutes of Chesterfield, Hazelwood and University City. We’re located in Brentwood Square and are accessible from Kenilworth Drive.
Whether your dog seems to be sporting a limp after a day at Hanley Park or your cat needs urgent surgery, call us or just walk in — no appointments taken! At our open floor plan animal emergency hospital, you can stay by your pet’s side at all times. Get expert pet health advice and pet first aid from our team of compassionate veterinary doctors, nurses and assistants. We’ll seamlessly collaborate with your family vet and provide overnight animal care for surgical and hospitalization cases. Open weekends and holidays too.
PARKING INFORMATION FOR OUR 24-HOUR ANIMAL HOSPITAL
You’ll find a large parking lot and an accessible space right by our front door. If you need help getting your pet inside, just call ahead – one of our VEGgies will meet you out front.
why choose veg
customer-focused veterinary emergency care
call us 24/7
Pet emergencies shouldn’t be put on hold. Call and speak with a veterinarian to get your medical questions answered.
see a vet now
No appointment needed, come in 24/7. Emergency vet care starts the moment you walk in the door.
stay together
No waiting and wondering in a lobby. Stay with your pet the entire time and get as involved as you like in their care.
stress less
At VEG, we make a scary situation less stressful. We sit on the floor with your pet, or wherever they’re most comfortable.
open now for:
Emergencies
High-quality critical care for when the unexpected happens.
point-of-care ultrasound
Non-invasive, soft-tissue imaging with same-day results.
urgent care
For injuries or illnesses that simply cannot wait.
x-rays
Performed on site to immediately diagnose fractures, stones, foreign ingestions, and more.
diagnostics + testing
Done right in our hospital for less wait time and fast results.
end-of-life care
Comfortable, compassionate, close-to-home care during the most difficult time.
surgery
A high-quality veterinarian is on site for emergency operations.
treatment + hospitalization
Care starts right away; if your pet needs to stay overnight, you can too.
the reviews are in!
June 3, 2025

Lauren Barrison
May 21, 2025

The Rogue Chef
May 4, 2025
