Dr. John Hallett, DVM Introduce
For pet owners across the Lake Country area of Wisconsin, Dr. John Hallett, DVM, and the dedicated team at Hallett Veterinary Hospital in Oconomowoc are synonymous with providing a high standard of comprehensive and compassionate veterinary care. Since its founding in 1998, this full-service animal hospital has operated with a mission to deliver high-quality medicine and surgery while actively involving pet owners in every decision regarding their animal’s health. This philosophy has earned the clinic a reputation as a trusted healthcare partner for dogs and cats throughout the region.
Hallett Veterinary Hospital, originally built by Dr. John and his wife, Heidi, has grown significantly, evolving into a highly respected, multi-doctor practice that emphasizes advanced diagnostics and progressive treatment options. Their commitment to excellence is not just a promise; it is formalized by their achievement of **AAHA (American Animal Hospital Association) accreditation** and certification as a **Cat Friendly Practice**. These distinctions assure Wisconsin pet owners that the facility adheres to the highest standards in veterinary technology, surgical protocols, and patient care.
The facility is particularly well-known for offering cutting-edge surgical techniques, such as **Laparoscopic Surgery** (often referred to as 'keyhole' surgery), which results in significantly less pain and faster recovery times for pets compared to traditional open surgeries. Beyond advanced medical services, the hospital focuses intensely on the emotional well-being of its patients, implementing **Fear Free** techniques and specialized cat-friendly protocols to ensure a low-stress, positive experience for every visit—a critically important factor for pets with anxiety, as noted in client testimonials.
Hallett Veterinary Hospital is located at 5744 Brown St, Oconomowoc, WI 53066, USA. Situated conveniently in the Lake Country area, the clinic is easily accessible for residents across Oconomowoc and the surrounding Waukesha County communities. The dedicated team has even worked to support the community's urgent care needs, with the separate **Animal Urgent Care of Oconomowoc (AUC)** utilizing space inside the hospital during specific evening and weekend hours, providing high-quality urgent care when most private practices are closed.
Recognizing the need for comfortable access for all clients, the facility maintains excellent accessibility features. The clinic provides a **Wheelchair accessible parking lot** and a **Wheelchair accessible restroom**. The welcoming, pet-friendly facilities, including inviting exam rooms with pet beds and games designed to reduce anxiety, contribute to a low-stress environment. The practice recommends scheduling appointments to ensure the care team is fully prepared for the pet's specific needs, upholding their standard of organized and detailed patient care.
Hallett Veterinary Hospital offers a comprehensive array of medical, surgical, and wellness services for both canine and feline companions, covering all stages of life from Puppies & Kittens to Senior Cat Care and Senior Dog Care. The emphasis on advanced diagnostic capabilities ensures that pets receive the most accurate and timely treatment. Core services include:
- Small Animal Medicine And Surgery, including General Surgery and advanced Soft Tissue Surgery
- Advanced Surgical Procedures such as Laparoscopic Surgery for reduced pain and recovery time
- Diagnostics and Imaging, including Digital Radiology, Diagnostic Ultrasound, and Cat Diagnostic Imaging
- Preventive Care and Wellness, including Cat Preventive Care and Dog Preventive, plus Vaccinations Puppy, Dog Vaccinations, and Cat Vaccinations
- Cat Cardiology and Internal Medicine
- Comprehensive Dental Care (Surgery And Dentistry, Dog Dental)
- Internal And External Parasite Control (Dog Fleas & Ticks, Cat Fleas & Ticks, Dog Parasites)
- Behavioral Counseling and treatment for Dog Allergies
- Pain Management and Microchip Your Pet services
- Convenience services, including Dogs Grooming, Cat Grooming, and Doggie Daycare
- Cat House Calls for specialized care
- Emergency Veterinary Care and after-hours emergency referral support to local partners
- Access to Cat Medications and Dog Lab Tests via an Online Pharmacy
The standout features of Dr. Hallett’s practice are its dual commitment to high-tech medicine and high-touch care, which is deeply valued by Wisconsin pet owners. These highlights solidify the hospital's reputation as a leader in Lake Country veterinary services:
- **AAHA Accreditation:** Adherence to the highest national standards for veterinary hospitals, covering everything from patient care to facility quality.
- **Minimally Invasive Surgery:** Expertise in **Laparoscopic Surgery**, offering patients less pain, quicker healing, and reduced recovery time, representing a significant technological advantage.
- **Fear Free and Cat Friendly:** The hospital is certified as a **Cat Friendly Practice** with staff who are **Fear Free Certified**, ensuring a dedicated, low-stress environment especially tailored to the unique needs and sensitivities of both cats and anxious dogs.
- **Client-Centered Philosophy:** Reviews frequently praise Dr. John and the staff for their willingness to go "the extra mile," including taking time to explain conditions and even showing surgical photos to owners to ensure a "greater understanding."
- **Advanced Diagnostics:** Ready access to **Diagnostic Ultrasound**, **Digital Radiology**, and **Cat Lab Tests** allows for rapid and precise diagnosis, a cornerstone of effective treatment.
- **Comprehensive Wellness:** Offering services from **Doggie Daycare** and **Grooming** to specialized **Cat House Calls**, ensuring convenience and a full spectrum of non-medical support.
- **Life-Saving Dedication:** A particularly moving testimonial noted that after a previous vet suggested euthanasia, Dr. John’s second opinion, surgical intervention, and devotion led to an additional **~3 years** of life for the pet—a powerful testament to their expertise and compassionate commitment.
Whether you are seeking routine vaccinations or need a highly skilled surgeon for an advanced procedure, the compassionate and professional team is ready to assist. Having the contact details readily available helps local Wisconsin users connect quickly with this established veterinary partner.
Address: 5744 Brown St, Oconomowoc, WI 53066, USA
Phone: (262) 569-0801
Mobile Phone: +1 262-569-0801
For Wisconsin pet owners in the Oconomowoc area, choosing Hallett Veterinary Hospital is a decision that guarantees a rare and valuable combination of medical excellence and profound compassion. The hospital is worth choosing because it is **AAHA accredited**—a voluntary designation held by only a small percentage of hospitals—demonstrating a commitment to the highest quality standards in all aspects of patient care, surgery, and facility management. This rigorous standard is paired with the availability of state-of-the-art procedures like **Laparoscopic Surgery**, which significantly reduces the stress and discomfort of common surgeries for your pet.
Furthermore, the culture of the practice, driven by Dr. John Hallett, is strongly focused on patient comfort and client education. The **Fear Free** and **Cat Friendly** certifications ensure that even the most anxious cat or dog receives care in a calming environment. Testimonials underscore the practice’s life-saving impact and the team's dedication to treating pets truly as family. When you partner with Dr. Hallett and the Hallett Veterinary Hospital team, you are choosing a facility that not only provides the highest level of veterinary technology and diagnostic capability but also possesses the proven heart and devotion to give your furry family member the longest, happiest, and healthiest life possible in Wisconsin.
Dr. John Hallett, DVM Services
- Veterinarian
- Animal Vet
- Behavioral Counseling
- Cat Cardiology
- Cat Diagnostic Imaging
- Cat Fleas & Ticks
- Cat Grooming
- Cat House Calls
- Cat Lab Tests
- Cat Medications
- Cat Preventive Care
- Cat Vaccinations
- Companion Animal Medicine
- Diagnostic Ultrasound
- Digital Radiology
- Dog Allergies
- Dog Dental
- Dog Emergency
- Dog Fleas & Ticks
- Dog Lab Tests
- Dog Parasites
- Dog Preventive
- Dog Vaccinations
- Doggie Daycare
- Dogs Grooming
- Emergency Veterinary Care
- General Surgery
- Internal And External Parasite Control
- Internal Medicine
- Laparoscopic Surgery
- Large Animal Vet
- Microchip Your Pet
- Online Pharmacy
- Pain Management
- Puppies & Kittens
- Senior Cat Care
- Senior Dog Care
- Small Animal Medicine And Surgery
- Soft Tissue Surgery
- Surgery And Dentistry
- Ultrasound And Imaging
- Vaccinations Puppy
- Veterinary Medicine
- Veterinary Technology
Dr. John Hallett, DVM Details
- Accessibility
- Wheelchair accessible parking lot
- Wheelchair accessible restroom
- Amenities
- Restroom
Dr. John Hallett, DVM Photos

Dr. John Hallett, DVM Location
Dr. John Hallett, DVM
5744 Brown St, Oconomowoc, WI 53066, USA
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