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Lone Peaks Values: 

  • Honesty
  • Compassion
  • Education

Lone Peak Veterinary Hospital

Our Mission
  • To provide excellent customer service by taking the time to discuss your pets history, explaining both the diagnostic tests indicated and the results, and offering clear treatment options.

  • To treat your pets with the same love and compassion as our own.

  • To offer in house blood work and diagnostic imaging to obtain quick results to better help your pets in timely manner.

  • To practice high quality medicine combined with client education.

Our Team

The Staff


Dr. Desmarais

Dr. Desmarais started Lone Peak Veterinary Hospital in 2017, after working in Bozeman and the surrounding areas for 2 years. She wanted to transition to working in a small, close-knit community where she could focus on high quality medicine and personalized care. She feels extremely lucky to a part of this incredible mountain town.

She first attended the University of Vermont for her undergraduate education before obtaining her doctor of veterinary medicine degree from North Carolina State University. Dr. D completed an internship at Ontario Veterinary College followed by numerous years working as an ER veterinarian at Northwest Veterinary Specialists in Portland, Oregon. Her veterinary interests include internal medicine, infectious disease and wound care.

Dr. Desmarais has a passion for volunteering within her community and abroad. She had previously volunteered in India and Thailand, treating and performing surgeries on street dogs. Within Big Sky, she started RUFF – Riley’s Urgent Fund for Friends – a non-profit assistance fund to help subsidize healthcare for animals in need. She is so excited about the community's response to help!

We look forward to meeting you and your pets!



Originally from Darien, Connecticut, Nell moved to Montana in 2010 to study Fish and Wildlife Management at MSU and after graduating in 2015 decided it wasn’t quite time to leave. Nell has taught for over 10 years with a variety of ages and curriculums such as wildlife education at the Bronx Zoo and with Montana Outdoor Science School, and Montessori preschool in Bozeman but realized she was ready to get back to working with animals and is thrilled to be part of the Lone Peak Vet team. When not working at LPV, Nell loves skiing, climbing, painting, volunteering at the Montana Raptor Conservation Center, and exploring with her two dogs Smith and Sky and partner Justin. Nell is excited for all that is to come being a part of this team and community.

The Staff  

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Erin came to us from North Carolina, after several weeks of volunteering 

she quickly transitioned into a position as a veterinary technician. Erin graduated from USC and she plans on going to vet school. When she's not at work you can find her outside enjoying time with her bernadoodle, Cooper and new puppy Marvin! 



Hailing from the great state of Ohio, Grace has always had a love for animals of all sizes.  Her first introduction to veterinary medicine was volunteering for the Cleveland Animal Protective League in middle school.  Grace went on to obtain her BS in Equine Science, get the heck out of Ohio and move out west.  She has worked in various animal related professions, but comes to Lone Peak Vet from Buena Vista, CO where she was working as a veterinary technician.  In her free time she enjoys telling sigh worthy dad jokes to her whitewater rafting clients, proclaiming Cleveland rocks! to Steeler, Ravens and Yankees fans and telling her 7-year-old Lab/German Shepherd mix what a goober he is!
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After growing up in Hawaii, Mei was ready for a change and headed to Bozeman where she got a B.S. in Conservation Biology. Mei loves all animals but her passion has always been horses! In the summer you can find her racing around some barrels at the Lone Mountain Ranch rodeos and in the winter you might find her on Lone Peak snowboarding. Her most recent obsession is pickleball and iced chai lattes!
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