Veterinary Service, PLLC


About Us

Will Oliver, DVM graduated from VA Tech with a Bachelor’s Degree in Animal Science. He received his Doctor of Veterinary Medicine from VA-MD Regional College of Veterinary Medicine in 1994. Dr. Oliver practiced for five years in Nebraska and Montana as an associate veterinarian in mixed practice.  In 1999 he opened Chuteside Veterinary Service as a practice focused on large animals.  In his personal time,  Will enjoys hunting, riding the backcountry horseback, pack trips and canoeing with his family.

Chelsey Petz, DVM graduated from Washington State University with her Doctor of Veterinary Medicine in 2012. Prior to attending vet school, Dr. Petz graduated from Montana State University with a Bachelor’s Degree in Biology and spent her summers fighting fires. Chelsey enjoys hiking and camping with her husband Justin and their two children Forrest and Hazel.

Ross Chewning, DVM graduated from the University of Georgia College of Veterinary Medicine.  Prior to attending vet school, Dr. Chewning earned his Bachelor's degree in Animal Science from Berry College in Georgia and spent 3 years working with bovine reproduction. When he isn't working, he likes to spend time outdoors, hunting or fishing.

Heidi Oliver, Business Manager graduated from VA Tech with a Bachelor’s Degree in in Agricultural Economics and a Master’s of Business Administration.  Heidi has been part of Chuteside since it opened in 1999.  When not at work, she spends time with her children including their activities, riding in the backcountry, biking, listening to christian music and reading.  

Kristen Bailey, CVT received an Associate of Applied Science in Veterinary Technology from the College of Southern Idaho- Twin Falls and a Bachelor’s Degree in Animal Science from MSU- Bozeman. Kristen worked as a Vet Tech at Chuteside Vet from 2003-13. In 2008, she became an UGC Certified Carcass Ultrasound Technician and now that is her roll at the clinic.  Kristen now resides on the family ranch in Dell, MT with her husband and 3 children.
Macy Blatter graduated from Montana State University with a Bachelor's Degree in Animal Science and was active in Montana State Collegiate Cattle Women, IHSA Equestrians at Montana State, and the Sigma Alpha sorority. She intends to attend school to become a veterinarian and hopes to specialize in large animal medicine. In her spare time she enjoys horseback riding, baking, and hiking. 
Maddie Korthas recently graduated from the University of Nebraska-Lincoln. During her time as a Husker she was a member of their Women's Rifle team. Her passion for the beef industry led her to Chuteside with hopes of making a difference in the agricultural community. In her spare time, Maddie enjoys the great outdoors, chasing cows on horseback, and spoiling her Aussie.