Katrina Breitreiter, DVM, DABVP (Feline) | She/Her

Dr. Katrina Breitreiter, or “Dr. Kat the Cat Doctor,” as some call her, is the owner of South Austin Cat Hospital. She graduated from Texas A&M College of Veterinary Medicine in 2013. Dr. Breitreiter began her career helping cats by working in shelter medicine and performing TNR for outdoor living cats in Austin, Texas. She then worked in small animal general practice for three years while pursuing advanced training in feline medicine through the University of Sydney. In 2017, Dr. Breitreiter made the decision to work exclusively with feline patients and opened South Austin Cat Hospital. In 2020, Dr. Breitreiter became the first veterinarian in the city of Austin to obtain board certification through the American Board of Veterinary Practitioners (ABVP) in feline practice. She is one of only approximately 80 feline specialists world-wide.

In addition to her work at SACH, Dr. Breitreiter is an active member of the American Veterinary Medical Association, Texas Veterinary Medical Association, Capital Area Veterinary Medical Association, American Association of Feline Practitioners, American Board of Veterinary Practitioners, and the Paw Project. She also serves on the advisory board for Williamson County Regional Animal Shelter.

Dr. Breitreiter is passionate about making the world a better place for cats. Her special areas of interest include internal medicine, pain management, feline behavior, and feline welfare. She has published work in the Journal of Feline Medicine and Surgery and other scientific journals.

When not working, Dr. Breitreiter enjoys yoga, playing video games & board games, reading, and travel. She and her husband share their home with their six feline fur-babies.


Sara Thomas, DVM | She/Her

Dr. Sara Thomas has been an associate veterinarian at South Austin Cat Hospital since May of 2020. She was born and raised in beautiful Austin, TX. After being heavily involved in the animal shelter world in Austin for several years, Dr. Thomas decided to pursue a career in veterinary medicine. Dr. Thomas finished her undergraduate degree at Texas State University, then moved to the Midwest where she graduated from Kansas State University College of Veterinary Medicine. She was known as the “cat person” in her veterinary class.

Dr. Thomas is an active member of the American Association of Feline Practitioners and she is currently finishing additional training in feline medicine through the University of Sydney. Dr. Thomas’ areas of interest include soft tissue surgery, dentistry, hospice and geriatric wellness. The human-animal bond is very important to Dr. Thomas. Educating, working with, and developing a relationship with cat parents is one of her favorite parts of being a veterinarian. As a fear-free practitioner, Dr. Thomas tries to make every cat as comfortable as possible while visiting South Austin Cat Hospital and truly believes every cat is a good cat. She’s never met a cat she didn’t love and Dr. Thomas looks forward to providing gold standard care for each and every cat she meets!

When not taking care of her feline patients, Dr. Thomas enjoys spending time with her husband, family, friends, and of course her six feline family members (Leo, Jack, Zooper, Papaya, Uma, and Indo). In her free time, she loves being outdoors, swimming in the river, and eating in one of Austin’s many delicious restaurants.  


Sarah McDaniel, DVM | She/Her

Dr. Sarah McDaniel grew up just outside of Houston, Texas. She graduated with a degree in Animal Science from Texas A&M University and continued her stay in College Station to complete veterinary school. She graduated from Texas A&M University College of Veterinary Medicine. She started her career in small animal emergency medicine before transitioning to feline exclusive practice and joining South Austin Cat Hospital. Dr. McDaniel has been passionate about helping cats throughout her life. She grew up in a household with multiple adopted feline friends and learned a great deal about low-stress feline handling while working in a veterinary hospital during her undergraduate studies. She has continued to pursue her interest in feline medicine during veterinary school and in her career. 

Dr. McDaniel is an active member of the American Association of Feline Practitioners, American Veterinary Medical Association, and Texas Veterinary Medical Association. She is committed to providing the highest quality care for her feline patients and clients. Her particular areas of interest include feline nutrition, internal medicine, behavior, and emergency medicine.

Outside of veterinary medicine, Dr. McDaniel enjoys working out, traveling, adventuring outdoors, and spending quality time with her two feline family members.  


Eva Treviño, DVM | She/Her

Dr. Eva Trevino is a native Austinite. She received her undergraduate degree in Biomedical Sciences from Texas A&M University in College Station, where she received early admission into TAMU’s veterinary school. As a student, she donated her time to animal welfare and took conservation medicine courses in South Africa and Thailand. She is currently taking advanced feline medicine courses through the University of Sydney and is pursuing her acupuncture certification through Chi University.

Dr. Trevino is devoted to having all her patients and prospective clients feel as comfortable as possible during their entire veterinary experience. She loves teaching and answering questions; she encourages a continuous dialogue with her clients to best individualize treatment plans and adjust as needed.

Dr. Trevino is an active member of the American Association of Feline Practitioners, American Veterinary Medical Association, and Texas Veterinary Medical Association. Her areas of specialty include pain management, ophthalmology, soft tissue surgery, dentistry, neurology, and animal welfare.

When not in the clinic, you can find her frequenting Alamo Drafthouse, trying new restaurants (all ATX food recommendations are welcome!), seeing live art and music, or cuddling with her soul-kitty named Harry