Welcome to Hallett Veterinary Hospital!

We are a privately owned veterinary practice serving
the animals in the Oconomowoc area since 1998
and in 2024 we were voted #2 Veterinary Practice
in the Lake Country area.

We are here for you and your pet!

About Us

We Share a
Passion for
Your Pets.

From Laparoscopic to routine services,
we are devoted to your pets and strive
to provide them a lifetime of outstanding health.

Our Services

We passed our
AAHA inspection!

We are very proud to be a AAHA accredited
hospital and take pride in preforming at a higher
standard of veterinary care for our patients.

What's happening
at Hallett Vet?

Check in on Dr. John's latest projects
and the fun that we have!


We love animals. We believe in improving the lives of pets, their families, our staff and the communities they live in through advocacy, compassionate care and education.

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Accepting New Patients!

We look forward to serving you and your pet with the best possible veterinary care. We utilize the most current standards of care, and we specialize in providing comprehensive wellness care to keep your pet healthy now and in the future.

At our low-stress canine and feline-friendly hospital, our care spans everything from routine checkups to serious surgical procedures. Our educated and certified staff are trustworthy advocates for your pet’s health and well-being, providing peace of mind that your pet’s needs always come first.

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Hallett Veterinary Hospital
cats and dogs
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Learn More

About Hallett Veterinary Hospital

Our mission is to provide high quality medicine and surgery to all patients along with supplying information to pet owners that will actively involve them in decisions that affect their pet. Diagnostics are emphasized in order to offer the best treatment options available.

Read more

Scheduling an Appointment

We try to make scheduling a veterinary clinic appointment as convenient as possible for you. There are several ways to easily schedule an appointment for your pet to be seen at our veterinary clinic:

  1. online request form
  2. Call Us: (262) 569-0801
  3. View Map & Directions
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love of pets

We are a Full Service Pet Hospital

Our pet hospital offers the following services for dogs and cats of all breeds, ages, medical conditions and lifestyles: