Veterinary Service, PLLC


About Us

We provide ambulatory services which include on-ranch herd work and individual animal therapy backed up by in-clinic treatment and emergency care.

Our clinic features both heated and ambient temperature stalls as well as haul-in facilities able to contain your animals.

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.  

Whitney Carr is a vet assistant that started with us in January 2013. She graduated from Walla Walla Community College in June 2008 with an Associate’s Degree in Farrier Science. She began classes at Montana State University in September 2008 and graduated in May of 2012 with a Bachelor’s Degree in Equine Science and a business administrator minor. Whitney grew up in Alaska and has a daughter named Morgan. In her free time Whitney likes to do things with Morgan, shoe horses, bake, read and enjoy time outside.

Tracy Eklund joined the Chuteside crew in January of 2017 as the Office Manager. She graduated from Montana State University with a Bachelor's degree in Agricultural Business in 2015. Prior to graduation, she worked in a wheat lab that researched chemical ecology and insect behavior. In addition to working at Chuteside, she continues to feed and exercise horses for Eagle Mount in Bozeman and also ties custom mohair cinches with her sister. In her free time she likes to cook and go on adventures with her dog Pepper whenever she can.
Elizabeth Hamilton, CVT graduated from the College of Southern Idaho in 2015 with an Associate's degree in Veterinary Technology. She joined the Chuteside crew in January of 2016. While going to school, she worked in a mixed animal practice before moving to the Gallatin Valley. In her free time she enjoys shooting her bow and rifles, fishing, and any other outdoor activity with her boyfriend and friends. She recently started attending Montana State University in pursuit of a degree in Agricultural Business. 
Jessica Dalzell, CVT graduated from National American University with an Associate's degree in Veterinary Technology in 2017. Originally from Ekalaka, Jessica moved to the Three Forks area in September of 2017 and began working at Chuteside shortly after. Prior to Chuteside, Jess worked as a Vet Tech at an equine veterinary practice in Sturgis, South Dakota.  She has been in the Army Reserves for 5 years and likes to go hunting and fishing in her free time.

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. 

Heidi Donnelly is one of our office assistants that started November 2016. She grew up on a dairy farm in St. Ignatius, MT and graduated from Pacific Lutheran University in 1997 with a BA in English and a teaching certificate.  She taught high school English in Kalama, WA for four years before she and her husband Brent welcomed their first child into the family in 2003.  Since then they have had three more children and lived in WA, East Idaho, North Idaho, and now Three Forks.  They homeschool their four children, and the whole family is heavily involved in Gallatin County 4-H.