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Veterinarians

  • Dr.
    Lonna Gerstner
    Dr. Lonna Gerstner Dr. Lonna Gerstner has been at Hawthorne since graduating Veterinary school at Colorado State in 1980. She bought the practice in 1985 and has continued building and expanding the clinic ever since. Dr. Gerstner completed her Masters in microbiology from the University of Wyoming in 1976, then continued onto Colorado State University to obtain her veterinary degree. Dr. Gerstner enjoys all aspects of veterinary medicine but holds a special interest in equine reproductions and small animal orthopedic surgeries. She was raised on a ranch in Wyoming where she developed her love for animals. Dr. Gerstner can always be found with her trusted border collie Whip when she is at the clinic or during her free time. She is often found riding or driving her horses, enjoying her milk cow Della, working her sheep or spending time at her cabin.
  • Dr.
    Nan Mueller
    Dr. Nan Mueller is a twice over graduate of Kansas State University, Bachelor of Science in 1994 and Doctor of Veterinary Medicine in 2010. She started her veterinary career in upstate New York, before moving to Idaho in 2013. Dr. Nan became an addition at Hawthorne Animal Hospital in August 2015. Her focus is primarily small animals, with an interest in exotics and animal behavior. Dr. Nan lived most of her life “east of the Rockies”, having lived in Kansas, Minnesota, Missouri, and New York, as well as overseas. With a veterinarian/minister father and a registered nurse mother, she grew up with a love for the sciences and a fascination and love of animals. In her off time, Dr. Nan enjoys crocheting (and still contemplating learning knitting) and other crafts, spending time with her cats Kegan and Hedgehog, hiking in nature’s beauty and wonders, and reading.
  • Dr.
    Chris Oats

    We are so glad to welcome Dr. Chirs Oats back to the Hawthorne Animal Hospital staff. She will be working with us Monday, Wednesday and Friday for the foreseeable future. Dr. Oats has been with the clinic for many years and is throughly enjoying being back visiting with her clients.