Our Team

Our caring and compassionate veterinary care team!

Meet the Veterinarians & Team of Kingsport Veterinary Hospital in Kingsport! We’re pleased to provide exceptional vet care for your pets!

Dr David Johnson DVM

Dr. Johnson is a 1976 graduate of Auburn University School of Veterinary Medicine. He received his undergraduate from the University of Tennessee and is a UT football fan holding season tickets. His love and passion for animals is evident in his work ethic. He enjoys internal medicine and performing surgeries.
In his spare time, Dr. Johnson is an athlete competing in numerous half-marathons and marathons all across the country, winning many awards for his achievements.
He and his wife Julie have 4 children and reside in Kingsport with their two dogs Oliver and Lillian.


Dr. Kristen Kiser DVM

Dr. Kiser graduated from Louisiana State University School of Veterinary Medicine in 2014. She has been practicing in small animal general practice ever since. She joined Kingsport Veterinary Hospital as an associate veterinarian in July 2020. She has special interests in veterinary dentistry, internal medicine, pain management and anesthesia, and soft tissue surgery. She shares her home with her husband, two children, two dogs, and two cats. She enjoys spending time with her family, reading books, watching old movies, and baking. As a Christian, she seeks to serve and glorify God in all that she does. 


Dr. Tiffany Casteel Nash

Dr. Tiffany Casteel Nash grew up in Castlewood, VA on her grandfather’s beef cattle farm where she developed her passion at an early age in veterinary medicine. Dr. Nash worked for 12 years as a veterinary assistant, during 4 of those years she was employed by Kingsport Veterinary Hospital. After high school, she was awarded a four-year scholarship at Virginia Tech where she received her Bachelor’s degree in Dairy Science and Animal and Poultry Sciences in 2016. She then attended Virginia Maryland College of Veterinary Medicine, and received her Doctorate of Veterinary Medicine in 2021.

Upon graduation, Dr. Nash began her career at Kingsport Veterinary Hospital as a veterinarian and by practicing mobile large animal medicine in Southwest Virginia. Dr. Nash has special interests in dairy and small ruminant medicine and surgery, as well as small animal internal medicine, emergency, surgery, and ultrasonography! Dr. Nash is Compassionate End of Life Care and Fear Free certified and practices these sectors every-day! Dr. Nash owes all her accomplishments and milestones to God and his glory! Dr. Nash and her husband Harley reside in Nickelsville, Virginia on their family’s dairy creamery! Together they have one son, Kaden, a dog, Bocephus, and a cat, Aila.


Erica Russell – Reception


Betty Mann – Reception


Susan Hall – Veterinary Assistant


Jennifer Worth – Veterinary Assistant


Jamee Allison – Veterinary Assistant


Lindsay Prater – Veterinary Assistant


Faith Roberts – Veterinary Assistant


Brittany Parks – Veterinary Assistant


Britney Shanks – Patient Assistant



L.G. Our resident cat. Looks like this has been a rough day.

Location Hours
Monday8:00am – 5:30pm
Tuesday8:00am – 5:30pm
Wednesday8:00am – 5:30pm
Thursday8:00am – 5:30pm
Friday8:00am – 5:30pm
Saturday8:00am – 11:30am


Phone: 423-246-8561