Harlowton Location
(406) 632 - 4327
Monday - Friday: 8:00am - 5:00pm
Saturday & Sunday: Emergencies Only
White Sulphur Springs Location
(406) 547 - 6347
Monday - Friday: 8:00am - 5:00pm
Saturday & Sunday: Emergencies Only
Top Rated Veterinarian
in Harlowton and White
Sulphur Springs, MT
Crazy Mountain Veterinary Service is a mixed animal practice serving Central Montana and the surrounding communities from our two clinic locations in Harlowton and White Sulphur Springs.
We have six veterinarians, ready to serve your livestock and small animal needs.
Our team of experienced veterinarians and support staff provides comprehensive care for beef and dairy cattle, horses, sheep, dogs, and cats, offering both in-clinic services and ambulatory farm calls. Whether you need herd health management, routine wellness exams, or emergency veterinary care, we deliver high-quality, relationship-focused veterinary medicine tailored to the needs of ranchers and animal owners across the state.
Explore our services to see how our team can support your livestock and pets.
Crazy Mountain Veterinary Service is a mixed animal practice serving Central Montana and the surrounding communities from our two clinic locations in Harlowton and White Sulphur Springs. Our team experienced veterinarians and support staff provides comprehensive care for beef and dairy cattle, horses, sheep, goats, dogs, and cats, offering both in-clinic services and ambulatory farm calls. Whether you need herd health management, routine wellness exams, or emergency veterinary care, we deliver high-quality, relationship-focused veterinary medicine tailored to the needs of ranchers and animal owners across the state.
Large Animal Services
At Crazy Mountain Veterinary Service, we’re proud to support the livestock and ranching communities across Central Montana. Our veterinarians provide comprehensive care for beef and dairy cattle, horses, sheep, and goats—both in-clinic and through convenient on-site ranch visits. From herd health programs and reproductive services to routine wellness, diagnostics, and emergency care, our team is committed to keeping your animals healthy and your operation running smoothly.
Small Animal Services
Our clinic also offers full-service veterinary care for dogs and cats at both our Harlowton and White Sulphur Springs locations. Whether your pet needs a routine checkup, vaccinations, diagnostics, or urgent medical attention, our team delivers thorough, compassionate care tailored to your pet’s needs. We focus on building long-term relationships with families and their pets so you always feel supported, informed, and confident in their care.
Meet Our Team
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![Portrait of a smiling middle-aged woman with shoulder-length gray hair, glasses, hoop earrings, and a necklace, outdoors with greenery and a body of water background.]()
Dr. Katie Rein
OWNER & DVM
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![A family of five sitting on the grass in a field, with mountains and a cloudy sky in the background. The father is wearing a cowboy hat and has a beard. The mother has long red hair. Two young children, a boy and a girl, are sitting with them, smiling.]()
Laurie Auger
PRACTICE MANAGER
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![A woman smiling on a boat with a brown and white dog, wearing outdoor gear and sunglasses, on a body of water.]()
Dr. Emily Gosda
MEDICAL DIRECTOR/VETERINARIAN
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![A bride and groom smiling outdoors during a wedding, with trees and a lamp post in the background.]()
Jason Loose
FACILITY/FLEET MANAGER
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![A happy family of four standing on a city street at night. The woman is holding a baby, the man is holding a toddler, and another young boy is standing in front. All are smiling.]()
Catalina Geyger
OFFICE MANAGER (WHITE SULPHUR SPRINGS)
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![Three smiling women taking a selfie at an outdoor concert or event with a large crowd in the background during evening.]()
Dr. Mandy Britt
VETERINARIAN
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![A woman standing next to a brown horse outdoors with green trees in the background.]()
Dr. Rebecca Gibbs
VETERINARIAN
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![A woman smiling and hugging a yellow Labrador puppy outdoors with mountains and trees in the background.]()
Dr. Claire DiLeo
VETERINARIAN
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![A young woman with long blonde hair wearing a white shirt with small polka dots, a stethoscope around her neck, and jeans, standing outdoors in a grassy field with trees in the background.]()
Dr. Kaitlyn Peterson
VETERINARIAN
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![A young man with a cap and black t-shirt feeding a pig in a farm field with trees and mountains in the background.]()
Ryan O'Neil
SUPPORT STAFF
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![A woman with long black hair smiling next to a brown horse outdoors in a grassy field with trees in the background.]()
Allie Unruh
SUPPORT STAFF
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![Two women standing outdoors in front of a mountain, holding a large orange picture frame with the text '2023' at the top. They are smiling, and one is wearing a hat.]()
Jenna Nelson
SUPPORT STAFF
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![Woman wearing a hard hat sitting in a Toyota forklift with a small white dog, inside a storage shed with stacked barrels.]()
Caylah George
FEEDSTORE
Empowering ranchers to
produce healthy, profitable
beef; building rewarding
relationships and offering
quality veterinary medicine
to the rural community.
Check out our Pet Resources Blog
We are here To Care For Your Animals Both Large And Small in Harlowton and White Sulphur Springs, MT
Our mixed animal veterinary practice provides Montana ranchers with expert beef production and cattle health services, while also offering care for horses, sheep, dogs, and cats. Explore our services here to see how our team can support your livestock and pets.
Why our clients choose us.