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  • Core Veterinary Services, O’Fallon
    Core Veterinary Services, O’Fallon

    Meeting All Your Pets' Health Care Needs

    Our team offers all the core veterinary services your pet needs to stay healthy, from preventive wellness exams and vaccinations, to dental care, internal medicine, and senior pet care.

    Core Care

  • New Patients Welcome, O’Fallon
    New Patients Welcome, O’Fallon

    Welcoming New Patients in St. Charles & St. Louis Counties

    At Gentle Doctor Animal Hospital, we are committed to offering compassionate care to each of our patients. We welcome you and your pet into our veterinary family.

    Patient Info

Welcome to Our O’Fallon Animal Hospital

Gentle Doctor Animal Hospital is a full-service vet clinic that offers comprehensive medical services for cats and dogs in O’Fallon, MO and the surrounding areas.

From preventive care and surgery to veterinary dental care, our broad and varied service offering can meet all of your pet’s health needs in one place.

We care for companion animals in St. Charles & St. Louis Counties and have developed a reputation over the years for quality, professional care with a compassionate touch.

Whether you are bringing your pet in to see us for the first time, or have been counting on our veterinary team for years, we will treat your animal as if it was our own.

About Our Hospital

Dental Care, Gentle Doctor Animal Hospital, O’Fallon

Dental Care

Keep your pet's oral health sterling with our veterinary dental services. 

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Wellness Exams, Gentle Doctor Animal Hospital, O’Fallon

Wellness Exams

Routine exams are a critical component of your pet's healthcare routine.

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Preventive Care, Gentle Doctor Animal Hospital, O’Fallon

Preventive Care

Vaccinations and parasite prevention medicine to keep your pet healthy.

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Veterinary Surgery, Gentle Doctor Animal Hospital, O’Fallon

Veterinary Surgery

We perform a variety of surgical procedures for cats and dogs.

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  • My dog had a pretty deep cut, needed to get her seen ASAP!! Dr. Melissa was so kind to squeeze us in between appointments and help my fur baby. All of the techs there were so sweet and so willing to help! It’s hard for me to trust just anyone with my pup but I knew she was in good hands.
    Hope J.

Gentle Doctor Animal Hospital, O’Fallon

Senior Pet Care, Gentle Doctor Animal Hospital, O’Fallon

Senior Pet Care

Geriatric pets have unique vet care needs, we make the effort to meet these unique challenges faced by aging pets.

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Puppies & Kittens, Gentle Doctor Animal Hospital, O’Fallon

Puppies & Kittens

The first year is a crucial time for building a strong healthcare foundation. Our animal hospital helps new pet owners get their puppies and kittens off to a great start.

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Gentle Doctor Animal Hospital, O’Fallon

Urgent Care, Gentle Doctor Animal Hospital, O’Fallon

Urgent Care

An emergency situation can arise anytime without notice. Our veterinarians step up to provide urgent care for O’Fallon cats and dogs in need whenever we can.

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Diagnostics & Lab, Gentle Doctor Animal Hospital, O’Fallon

Diagnostics & Lab

Our on-site state-of-the-art veterinary laboratory grants us the opportunity to make quick and accurate diagnoses which allows for more effective treatment.

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Tips & Advice From Our Team

Whether you are looking for advice about parasite protection or information on common pet illnesses, our informative blogs feature helpful tips and advice from our O’Fallon vets that will help you to keep your pets healthy and happy.

My cat won't drink water, what should I do?

My cat won't drink water, what should I do?

It's essential for our pets to stay hydrated, so what should you do if your cat won't drink water? Our vets in O’Fallon list some reasons why your cat may not be drinking and what you to do next. 

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Why Is My Dog Panting At Night?

Why Is My Dog Panting At Night?

Although panting during a warm day or while playing fetch is normal for dogs, excessive panting at night can be cause for concern. Besides causing sleepless nights for you and your dog, nighttime panting can be an indication that something is amiss. Today, our O’Fallon vets discuss signs, causes, and when to go to the vet.

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Puppy Vaccination Schedule

Puppy Vaccination Schedule

Repeated appointments for your puppy's vaccinations may seem inconvenient, but our veterinarians in O’Fallon firmly believe that following the vaccination schedule below is the best way to protect your puppy's health now and throughout his life.

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Heavy Breathing in Cats

Heavy Breathing in Cats

Cats don't usually experience heavy breathing, so if you notice it, it's crucial to take them to the vet. In this article, our vets in O’Fallon break down the causes, signs, and treatment of heavy breathing in cats.

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New Patients Welcome

Gentle Doctor Animal Hospital is accepting new patients! Our experienced vets are passionate about the health of companion animals in O’Fallon and surrounding communities. Get in touch today to book your pet's first appointment.

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    • Monday:07:30 am - 06:00 pm
    • Tuesday:07:30 am - 06:00 pm
    • Wednesday:07:30 am - 06:00 pm
    • Thursday:07:30 am - 06:00 pm
    • Friday:07:30 am - 06:00 pm
    • Saturday:08:00 am - 01:00 pm
    • Sunday:Closed

(636) 272-5950 Contact