Skip to Main Content
  • 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. 

Learn More

Wellness Exams, Gentle Doctor Animal Hospital, O’Fallon

Wellness Exams

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

Learn More

Preventive Care, Gentle Doctor Animal Hospital, O’Fallon

Preventive Care

Vaccinations and parasite prevention medicine to keep your pet healthy.

Learn More

Veterinary Surgery, Gentle Doctor Animal Hospital, O’Fallon

Veterinary Surgery

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

Learn More

  • We were in a desperate position with a sick pet over the holidays. Gentle Doctor Animal Hospital came through for us. Thank you so much! We're glad we can count on you to care for our pets.
    Debbie K

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.

Learn More

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.

Learn More

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.

Learn More

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.

Learn More

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.

Common Dental Problems in Cats

Common Dental Problems in Cats

Dental problems can cause your cat significant pain, and lead to other health issues. Today, our O’Fallon veterinary team explains how to spot dental health problems in your cat, what the most common dental diseases are in cats, and how these issues can be prevented or treated.

Read more

Raising a Puppy & Kitten Together

Raising a Puppy & Kitten Together

If you think that one puppy or kitten is adorable, then two must be twice as adorable, right!? While puppies and kittens may look sweet in photographs together and can keep each other company, there are some considerations any pet owner should keep in mind when raising a puppy and kitten in the same home. Here, our O’Fallon vets explain what they are. 

Read more

Caring For Your Pet After Surgery

Caring For Your Pet After Surgery

If your pet is scheduled for surgery it’s important to know how you will need to care for them as they recover, so they can return to their normal life as quickly as possible. Here are some tips from our O’Fallon vets about how to care for your pet after surgery. 

Read more

How often should I take my dog to the vet?

How often should I take my dog to the vet?

You love your pup and want to give them their best chance at a long and happy life, that's where regular preventive veterinary care comes in. But exactly how often should you take your dog to the vet? Our O’Fallon vets explain...

Read more

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.

Contact Us

(636) 272-5950 Contact