Skip to Main Content
  • Open 6 Days a Week in O’Fallon
    Open 6 Days a Week in O’Fallon

    Open 6 Days a Week in O’Fallon

    At Gentle Doctor Animal Hospital, we provide a range of quality veterinary services for cats and dogs Monday through Saturday.

    New Patients Always Welcome!

    Book Online (636) 272-5950

  • Open 6 Days a Week in O’Fallon
    Open 6 Days a Week in O’Fallon

    Open 6 Days a Week in O’Fallon

    At Gentle Doctor Animal Hospital, we provide a range of quality veterinary services for cats and dogs Monday through Saturday.

    New Patients Always Welcome!

    Book Online (636) 272-5950

Our Vets at Gentle Doctor Animal Hospital in O’Fallon Welcome Patients 6 Days a Week, Including Saturdays

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

  • 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.

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
Gentle Doctor Animal Hospital

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.

What to Expect During My Senior Dog’s Checkup

What to Expect During My Senior Dog’s Checkup

Regular senior checkups are crucial for maintaining your dog's quality of life and detecting age-related health issues. Today, our O’Fallon vets explain what to expect during your senior dog's checkups.

Read more

Dental Care for Senior Dogs

Dental Care for Senior Dogs

Dental care is vital for your pup at any stage in their life, but especially in their senior years. Here, our O’Fallon vets discuss dental care for senior dogs and offer tips for keeping your old dog's teeth clean and healthy. 

Read more

How to Take Care of a Senior Dog: Tips & Advice

How to Take Care of a Senior Dog: Tips & Advice

If your dog is 'getting up there' in years, there are a number of things to keep in mind to help keep your aging pooch comfortable. Today our O’Fallon vets discuss caring for senior dogs.

Read more

Bladder Stones in Cats

Bladder Stones in Cats

Our O’Fallon vets often see cats suffering and uncomfortable because of bladder stones. Today we discuss the symptoms of bladder stones in cats.

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

Hours

Saturday Appointments Available

  • Click to View

    • 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

Book Online (636) 272-5950