Johnson Equine Veterinary Service, Ltd.

Sullivan, WI

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At a glance

Facility type
Mobile Vet
Practice tier
Mobile
Clinic type
Unknown
Operating status
Operational
Appointment model
Appointment
24/7 care
Unknown
Accepting new patients
Unknown

Species treated

Equine

Services

General Practice Wellness Vaccination Surgery Dentistry Imaging In House Lab Pharmacy Emergency End Of Life House Call

Amenities & accessibility

Appointments
Appointments recommended
Amenities
Restroom
Accessibility
Wheelchair accessible entranceWheelchair accessible parking lotWheelchair accessible restroom

Overview

Ambulatory Equine Veterinary Practice in Southeast Wisconsin. With over 40 years of equine medical and surgery experience, Johnson Equine Veterinary Service, Ltd. aims to provide practical solutions for both horse and owner. We empower horse owners to make informed, educated decisions that suit their needs and those of their horses

Dr. Jack Johnson was born and raised on a farm in rural Manitoba, Canada. He began his pre-veterinary training at the University of Manitoba, was accepted into the third class at the new veterinary school at the University of Saskatchewan. After graduating, he completed an equine internship at the Large Animal Clinic of the University of California-Davis, then a two year large animal surgery residency at the New York State Veterinary College at Cornell University. He worked as a surgeon and race track practitioner under Dr. S.P. Dey of Allentown, New Jersey, then started his own race track practice in New Jersey for over 22 years. In 1995, he left the East Coast to join the Wisconsin Equine Clinic in Oconomowoc. He spent 11 years there before joining the USDA as a Relief Supervisory Veterinary Medical Officer. In May of 2014, Dr. Jack retired from his USDA job to dedicate his time fully to his equine practice. In July, 2013, he hired Dr. Julie Gauthier and shortly after Johnson Equine Veterinary Service, Ltd. was born

Care capabilities

Emergency
Urgent Care Only

Team at a glance

4
Veterinarians (DVM)
1
Licensed technicians
5
Support staff
10
Total team

Individual names, titles & bios are in the practice intelligence layer below.

Technology & equipment

Mobile Digital RadiographyUltrasound

Services in detail

ImmunizationsCoggins TestsDentistryHealth ChecksLameness Work UpsPain ManagementRehabilitation SupervisionMobile Digital Radiography & UltrasoundOn-Site surgical proceduresEmergency Care & Colic ExamsJoint Injections: General, PRP, IRAPExams: Physical, Neurologic, Ophthalmic, Dermatologic, & Pre-Purchase

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Frequently asked

Does Johnson Equine Veterinary Service, Ltd. offer emergency or urgent care?+

Johnson Equine Veterinary Service, Ltd. offers urgent care appointments most days of the week (not a 24/7 ER).

What services does Johnson Equine Veterinary Service, Ltd. offer?+

Johnson Equine Veterinary Service, Ltd. offers General Practice, Wellness, Vaccination, Surgery, Dentistry, Imaging, In House Lab, Pharmacy, and more.

Practice Intel

Inside the full profile

  • Ownership & corporate structure
  • Team & DVM count
  • Hiring & expansion signals
  • Key contacts — owner & medical director

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Data as of July 2026. VetPulse aggregates public-record and licensing data; it does not represent the practice directly.