Veterinarians in O Fallon, MO

16 listings · Compiled by · Details from each provider's own website, updated monthly · Last updated

There are 16 veterinary clinics listed in O Fallon, Missouri, as of October 2026. 15 list a phone number and 15 have their own website. That includes 2 emergency and 24-hour hospitals (Animal Emergency Clinic and UrgentVet), 1 specialty or referral hospital (Veterinary Specialty Services - West) and 3 chain and corporate clinics (Banfield Pet Hospital, UrgentVet and 1 more). Most are in ZIP codes 63368 (10), 63366 (5) and 63385 (1).

By type: Emergency Vet (6) · Urgent Care Vet (5) · Cat Vets (3) · Low-Cost Vet Care (3) · Pet Dental Care (6)

Compare veterinary clinics in O Fallon

11 veterinary clinics with checked details, 2 with published prices. Tap a column to sort, or tick up to 3 to compare side by side.

Banfield Pet HospitalVeterinary clinic
$75$28$327–$541$425NoNoNoNo✓No
O'Fallon, MOVeterinary clinic
$75$28$619$425NoNo✓No✓No
––––NoNoNo✓✓No
––––NoNoNoNo✓No
––––✓No✓NoNoNo
––––NoNo✓No✓No
The Pet DoctorVeterinary clinic
––––✓NoNo✓NoNo
The Pet DoctorVeterinary clinic
––––✓NoNo✓NoNo
UrgentVetVeterinary clinic
––––✓No✓No✓No
––––✓No✓No✓No
––––NoNoNoNoNoNo

Prices and services as published by each business, last checked Nov 2026. Prices change, so confirm when you book. "–" means not listed. License = matched to a current state license record.

All 16 veterinary clinics in O Fallon

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Back on Track Veterinary Hospital and Rehabilitation Center

Veterinary clinic

957 Waterbury Falls Dr · O'Fallon, MO 63368

Fear FreeCat Friendly Practice

A full-service animal hospital in O'Fallon, Missouri, serving dogs and cats with wellness care, surgery, dental procedures, and acupuncture. It also offers physical rehabilitation with laser therapy and an…

Cat VetsPet Dental CareAccepting new patientsSurgeryIn-house labPayment plansOpen Saturday

Banfield Pet Hospital

Veterinary clinic

2242 Highway K · O'Fallon, MO 63368

This Banfield location in O'Fallon offers wellness exams, vaccinations, dental care, surgery including spay and neuter, digital X-rays and in-house laboratory testing for dogs and cats. It also has an in-house…

From $75Pet Dental CareSurgeryX-ray / ultrasoundIn-house labPharmacyWellness plansSpanish spokenEnd-of-life careOpen SundayOpen Saturday

Gentle Doctor Animal Hospital

Veterinary clinic

3079 Highway K · O'Fallon, MO 63368

Gentle Doctor Animal Hospital is a full-service veterinary clinic in O'Fallon, Missouri, caring for cats and dogs in St. Charles and St. Louis Counties. It offers wellness exams, vaccinations, dental care, surgery,…

Urgent Care VetLow-Cost Vet CarePet Dental CareAccepting new patientsSurgeryIn-house labOpen Saturday

North Main Animal Hospital

Veterinary clinic

1632 N Main St · O'Fallon, MO 63366

North Main Animal Hospital is a full-service veterinary practice in O'Fallon, Missouri, opened in 1999 and owned by two veterinarians. It offers wellness care, vaccinations, microchipping, dental care, surgery…

Emergency VetLow-Cost Vet CareOnline bookingSurgeryX-ray / ultrasoundIn-house labPharmacy

O'Fallon Veterinary Medical Center

Veterinary clinic

975 Cool Springs Industrial Dr · O'Fallon, MO 63366

O'Fallon Veterinary Medical Center is a veterinary practice in O'Fallon, Missouri, offering wellness exams, vaccinations, surgery, dental care and urgent care. Clients can request appointments through the website,…

Urgent Care VetAccepting new patientsOnline bookingOpen Saturday

O'Fallon, MO

Veterinary clinic

2242 Hwy K · O'Fallon, MO 63368

Banfield Pet Hospital in O'Fallon offers preventive wellness exams, vaccinations, dental care, digital X-rays, in-house lab testing, and general and spay/neuter surgery. The clinic has an in-house pharmacy, offers…

From $75Low-Cost Vet CarePet Dental CareAccepting new patientsOnline bookingSurgeryX-ray / ultrasoundIn-house labPharmacyWellness plansSpanish spokenEnd-of-life careOpen SundayOpen Saturday

The Pet Doctor

Veterinary clinic

3046 Winghaven Blvd · O'Fallon, MO 63368

AAHA accreditedCat Friendly Practice

The Pet Doctor is a veterinary practice in O'Fallon, Missouri, offering preventive, diagnostic, dental, surgical, chiropractic and rehabilitation care for dogs and cats. It is an AAHA-accredited hospital and a…

Emergency VetUrgent Care VetCat VetsPet Dental CareAccepting new patientsSurgeryX-ray / ultrasoundIn-house labWellness plansPayment plans

The Pet Doctor

Veterinary clinic

2301 Technology Dr · O'Fallon, MO 63368

AAHA accreditedCat Friendly Practice

The Pet Doctor is a veterinary hospital in O'Fallon, Missouri, offering preventive care, dental work, surgery, diagnostics, chiropractic and rehabilitation for dogs and cats. The practice is AAHA accredited, a…

Emergency VetUrgent Care VetCat VetsPet Dental CareAccepting new patientsSurgeryX-ray / ultrasoundIn-house labWellness plansPayment plans

UrgentVet

Veterinary clinic

2963 State Hwy K · O'Fallon, MO 63368

Fear Free

UrgentVet's O'Fallon clinic provides same-day, after-hours urgent veterinary care for cats and dogs, including on weekends and holidays. Walk-ins are welcome and visits can also be booked online. The clinic offers…

Emergency VetUrgent Care VetWalk-insSame-day appointmentsOnline bookingX-ray / ultrasoundIn-house labOpen SundayOpen SaturdayOpen evenings

VCA All Creatures - Cloud Animal Hospital

Veterinary clinic

2205 Highway K · O'Fallon, MO 63368

This O'Fallon, Missouri location is part of the VCA network and treats cats, dogs, and small mammals such as rabbits, ferrets, and guinea pigs. Services include wellness exams, vaccinations, spays and neuters,…

Emergency VetOnline bookingPharmacyOpen SaturdayOpen evenings

Veterinary Orthopedic Surgery Center

Veterinary clinic

1031 Meyer Road · O'Fallon, MO 63385

Board-certified specialists

This orthopedic specialty practice in Wentzville, Missouri offers surgical treatment for joint and bone conditions in pets. Care is provided by a board-certified surgeon, with minimally invasive arthroscopy and…

SurgeryX-ray / ultrasound

Veterinarians in O Fallon: quick answers

How many veterinary clinics are in O Fallon, MO?

Vet Locator lists 16 veterinary clinics in O Fallon, Missouri (updated October 2026). 15 have a website and 15 list a phone number.

Are there emergency and 24-hour hospitals in O Fallon, MO?

Yes. 2 emergency and 24-hour hospitals in O Fallon: Animal Emergency Clinic and UrgentVet.

Are there specialty and referral hospitals in O Fallon, MO?

Yes. 1 specialty or referral hospital in O Fallon: Veterinary Specialty Services - West.

Are there mobile and house-call vets in O Fallon, MO?

None are listed in O Fallon itself. The closest we list are VIS-Mobile in Fenton, MO (about 21 miles) and Paws at Home in Quincy, IL (about 86 miles).

Are there cat-only clinics in O Fallon, MO?

None are listed in O Fallon itself. The closest we list are Cat Clinic in St Louis, MO (about 16 miles) and St. Louis Cat Clinic in Saint Louis, MO (about 25 miles).

Are veterinary clinics in O Fallon mostly independent or chains?

13 of the 16 listings are independent businesses; 3 are chain locations (Banfield Pet Hospital, UrgentVet and VCA All Creatures - Cloud Animal Hospital).

Where else near O Fallon can I find veterinary clinics?

Nearby options include Cottleville (1 listed, 4 mi), Weldon Spring (3 listed, 5 mi), Lake St Louis (3 listed, 5 mi) and Saint Peters (2 listed, 5 mi).

Nearby cities

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