Our Veterinarians

The skilled team of veterinarians proudly works to provide top-rate care to the four-legged family members in the Signal Mountain and Chattanooga community. It is our privilege to work with both you and your pets, and we ensure nothing less than a high-quality experience at the Animal Hospital of Signal Mountain.


Katie Koss, DVM- Associate Veterinarian

Dr. Katie Koss has been an Associate Veterinarian at the Animal Hospital of Signal Mountain since March of 2014. She received her Doctorate of Veterinary Medicine from the University of Tennessee in 2008 and has practiced veterinary medicine at several small animal clinics. Prior to living on Signal Mountain, Dr. Koss resided in East Tennessee, Middle Tennessee, and Southern New Hampshire. Dr. Koss is currently pursuing certification in veterinary acupuncture to offer alternative/adjunctive treatment options for our AHSM patients. Dr. Koss enjoys outdoor activities such as rock climbing and skiing, as well as spending time with her significant other and their mischievous Cavalier King Charles Spaniel, Reggie.


Blair Cornman, DVM- Associate Veterinarian

Dr. Cornman joined the Animal Hospital of Signal Mountain in October of 2015. Dr. Cornman grew up in central Pennsylvania and is a 2008 doctoral graduate of the University of PennsylvaniaCollege of Veterinary Medicine. She also completed an internship in Equine medicine. Upon graduation, she spent her first four years practicing as an equine veterinarian in Lexington, Kentucky. In 2012, Dr. Cornman transitioned to small animal medicine. Previous to joining AHSM, Blair served as Chief of Staff at another local veterinary hospital. Residing in Chattanooga with her significant other, Dr. Cornman enjoys swimming, biking, running, and yoga. She has also been known to spend an afternoon screaming at the TV if there is a horse race or University of Kentucky basketball game on! (GO WILDCATS!) Dr. Cornman is excited and proud to be a member of the AHSM team and is looking forward to getting to know the Signal Mountain community.


Tracey Giglio, DVM- Associate Veterinarian

Dr Tracey Giglio Grew up in the Midwest always knowing that she wanted to be a veterinarian. She attended Illinois Wesleyan University with a Major in biology and then moved to Tennessee to attended vet school.
She graduated from the University of Tennessee School of Veterinary Medicine in 2003. Dr Giglio then Practiced in multiple clinics in both Memphis and Atlanta prior to moving to Chattanooga in 2010. She is a current member of the Hamilton County Veterinary Medical Association where she also holds an office of Vice President. She lives near Downtown Chattanooga with her husband Chris, son Austin and 2 small dogs Thatcher and Kirby.
When she is not working, Dr Giglio loves to spend time with her family, Friends, reading or Traveling.


Rachel Tapp, DVM - Associate Veterinarian

Dr. Tapp grew up in Bristol, TN and attended Carson Newman University in Jefferson City, TN where she majored in Biology and minored in Psychology. She obtained her veterinary degree from the University of Tennessee College of Veterinary Medicine (with Dr. Koss!) and moved to the Charlotte, NC region after school. She practiced there for about 6 years and then realized how much she missed Tennessee so she chose Chattanooga as her home.

Dr. Tapp enjoys reading, binge-watching TV, and traveling. She lives in the Hixson area with 2 cats (Niblet and Nutmeg) and 2 dogs (Bertie and Max). She is looking forward to becoming more competent at ultrasound and is excited to get started with house calls for the hospital. She has special interests in kidney disease (thanks to her cat Niblet) and end-of-life care.


Lisa Szczukowski, DVM-Retired Founding DVM and Relief DVM

Dr. Lisa Szczukowski is an Associate Veterinarian/ Relief Vet at the Animal Hospital of Signal Mountain and was an original founding veterinarian at the Animal Hospital of Signal Mountain joining the practice in 1990.She received her undergraduate degree from the University of Georgia and attended Veterinary School at the University of Tennessee. Dr. Lisa has been practicing Veterinary Medicine since 1983. Although she has lived in a variety of places during her younger years, Dr. Lisa has been an active member of the Signal Mountain community for 32 years. Dr. Lisa resides with her husband and is the mother of three wonderful grown children. Her four-legged family members include one dog and three cats; she also has many chickens. In her spare time, Dr. Lisa enjoys traveling, outdoor activities, gardening, scuba diving, and spending time with family. Dr. Lisa loves her job because of the awesome people and pets. She finds that she still continues to see and learn new things. Dr. Lisa enjoys the way each day brings something interesting and different. We are privileged to have Dr. Lisa continue on with AHSM as a relief vet from time to time.