Knox County Veterinary Services

Our commitment to the people of Knox County, as well as the surrounding areas, will be to provide comprehensive veterinary services that will promote happy, healthy, and productive lives for them and their animals.

We strive to get to know our pet owners and farm producers on a personal level to better understand and meet their needs.  We invite you to visit our website as well as our office on High Street in Barbourville and let us show you how we care for you and your pet.

Founded in 1996 by Dr. Mark S. Smith and Dr. Tammy Thomason-Smith, Knox County Veterinary Services, Inc. is dedicated to providing the highest quality veterinary medicine and surgery to pets and farm animals.



  • M,F: 8:00AM-6:00PM
  • Tues, Wed: 8:00AM - 5:00PM
  • Sat: 9:00AM - 12:00PM
  • Thur, Sun: Closed
  • After Hours ER: 344-6914
  • Dr. Mark S. Smith

    Dr. Mark S. Smith, a native of Knox County Kentucky, is the son of the late Roy S. and Merle Smith of Gray Kentucky.  He is the youngest of their five children.  He attended the Knox County school system, graduating from Knox Central High School in 1982.  His college career began at the University of Kentucky where he received his Bachelor of Science degree in Animal Science in 1986.  Dr. Smith then attended Tuskegee University’s School of Veterinary Medicine, graduating Magna Cum Laude in 1991.

    Dr. Smith’s lifelong ambition was to be a veterinarian.  His passions include his two sons Matthew and Aaron, raising his own American Quarter Horses, and watching the University of Kentucky football and basketball teams.

    Dr. Smith began his veterinary career practicing in Mt. Washington Kentucky, later moving to Louisville.  Finally returning home, Dr. Smith opened his own practice providing Knox County and surrounding areas with a veterinary hospital.

    Dr. Smith served as the President of the Kentucky Veterinary Medical Association for the 2013-2014 term.  This organization represents over 1000 veterinarians throughout the Commonwealth of Kentucky.
    Years in Practice:
    Apr 05, 1991
    Education:
    University of Kentucky, Tuskegee University
  • Dr. Tammy Thomason-Smith

    Dr. Tammy Thomason-Smith is a Louisville native.  She is the youngest of three children to the late Richard and Roxana Thomason.  After graduating from Iroquois High School in 1986, she attended Western Kentucky University on a music scholarship for her undergraduate work.  She then entered Auburn University’s College of Veterinary Medicine where she earned her Doctorate of Veterinary Medicine in 1993.

    Following graduation, Dr. Thomason-Smith returned to Louisville to begin her career in companion animal medicine.  In 1996 she and Dr. Mark S. Smith married and moved to Barbourville where they jointly started Knox County Veterinary Services.

    Today they share a home with a menagerie of 4-legged friends ranging from a Chihuahua to horses.  She is also active in the community, participating in several state and local organizations.
    Years in Practice:
    Apr 05, 1993
    Education:
    Western Kentucky University, Auburn University
  • Amanda Smith

    Amanda Smith was born and raised in Knox County. She married her high school sweetheart in June 2007 and began her dream job in August 2007 when she started working at Knox County Veterinary Services.  She and her husband, EJ, have a 6 year old son, Jeffrey.  Amanda hopes one day that Jeffrey will grow up with a passion for animals like she has.


    Years in Practice:
    Jan 01, 2007
    Education:
    Barbourville High School
  • Jennifer Hensley

    Jennifer Hensley was born and raised in Harlan Kentucky.  After graduating high school, she attended Southeast Community & Technical College to receive an associate in science degree.  She then attended Lincoln Memorial University to earn an associate degree in Veterinary Technology.  Next she completed a 6 week internship at the University of Tennessee College of Veterinary Medicine.  She is a licensed veterinary technician with 3 years experience from the Harlan Animal Hospital.  She began working at Knox County Veterinary Services in July 2013 and has a passion for caring for animals.  She still resides in Harlan with her 4 dogs-Kielana, Tigger, Yoshi, and Tippi, 2 cats - Luna, and Happy Feet, and a ferret named Zog.
    Years in Practice:
    Jan 01, 2010
    Education:
    Lincoln Memorial University
    Interests:
    veterinary technology
  • Haylee Yother

    Hayle Yother was born and raised in Barbourville, KY. She is a student at Union College. Haylee married her high school sweetheart, Dustin, in December of 2017. They have 2 dogs, Sophi and Dolly. She says the opportunity to work at Knox County Veterinary Services is a wonderful experience to help her determine her future career pathway.
    Years in Practice:
    Sep 28, 2016
    Education:
    Barbourville High School, Union College
  • Dr. Ann Combs

    Dr. Ann Combs is a native of Pineville Kentucky.  She is the daughter of Rosemary Combs and the late Mason Combs and is the youngest of their six children.  She attended Pineville schools and Western Kentucky University before graduating from the Auburn College of Veterinary Medicine in 1988.  The returned to the mountain from 1989 to 1998 as co-owner of the Harlan Animal Hospital and then practiced in Beaufort South Caroline for a few years before coming home again where she began working part time at both Bell County Animal Clinic and Knox County Veterinary Services.  She married Robert Gaines of Harlan Ky in 2008 and they welcomed their son Jack in 2011.
    Years in Practice:
    Jan 01, 1988
    Education:
    Auburn University College of Veterinary Medicine
  • Brianna Smith

    Brianna Smith was born in Pineville, Kentucky and grew up in the Stinking Creek area.   Growing up she has had many pets, which helped her develop a great love and compassion for animals.  The ones she currently holds dear to her hearts are her 2 cats, Georgia and Peaches, her horse, Dixie, and her 3 pups, Princess, Tyson, and Tucker.  Most of these babies are rescued strays.  She attended school in the Knox County Public Schools until the 9th grade and then she enrolled in Penn Foster High School where she took electives in veterinary science.  She says it has been a dream come true that in February 2017 she was blessed with the opportunity to work alongside such amazing people and learn more about the practice at Knox County Veterinary Services.
    Years in Practice:
    Jul 06, 2017
    Education:
    Penn Foster High School
  • Megan Warren

    Megan Warren is a graduate of Barbourville High School.  She has lived in Barbourville Kentucky her entire life and is currently attending Union College pursuing a degree in nursing.  She has a yorkie-poo named Chloe and a German Shepherd named Duke.
    Years in Practice:
    Jan 01, 2016
    Education:
    Barbourville High School, Union College
  • CeCe Roberts

    CeCe was born and raised in Somerset, Kentucky.  After graduating from Pulaski County High School in 2015, she decided to pursue her education and play volleyball at Union College.  She is currently a junior, double majoring in Biology and Psychology.  CeCe plans to attend veterinary school after receiving her undergraduate degrees.  She has always had a love for animals, big and small.  Growing up on a farm, she's had a variety of pets ranging from horses to a hedgehog!  She currently has 2 dogs, Piper, Licorice and 3 cats, Ollie, Sheldon and Brody.  Working at Knox County Veterinary Services has been a dream come true for her, making her future plans to become a veterinarian even more clear.
    Years in Practice:
    Jul 06, 2017
    Education:
    Pulaski County High School, Union College
  • Valerie Cornelius

    Valerie Cornelius was born in Middlesboro, Kentucky where she worked for Kentucky State Parks for 12 years before joining the team at Knox County Veterinary Services.  She and her husband, James, along with their two children, Layla and Cassius, relocated to Knox County in 2017 where they live on a 400 acre farm with their golden retriever, Ryder, and their cat, Joni Mitchell, and their pig, Porkchop.
    Years in Practice:
    Jan 24, 2018
  • Tiffany Tilley

    Tiffany was born and raised in Winston-Salem, NC. She relocated to Corbin, Ky in November of 2017 along with her husband, Jess, and their four children, JJ, Madelyn, Savannah, and Nolan. Tiffany has 13 years of experience caring for animals in veterinary offices.

    Years in Practice:
    Aug 08, 2018