Our caring and compassionate veterinary team!

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

Please call us at (405) 624-8622 to speak to one of our caring veterinary staff members!

Dr. Donna Slater

Practice Owner, Veterinarian

Courtney Cupps

Senior Technician

Courtney has been at All Pets since 2007. She moved to Stillwater from Tulsa and received her bachelor’s degree in Zoology in 2012. She has been working in veterinary medicine since 1996. Courtney has volunteered many hours with several organizations including: The Humane Society of Stillwater, Tulsa Zoo, Street Cats, and Grey Snow Eagle House. She has THE best dog in town, a doberman named Red Zeppelin. Zeppy has a very precious older sister, ChiChi Rodriguez Gonzalez Hernandez Cupps. In her spare time, she plays roller derby with Tulsa Derby League. Courtney recently graduated from nursing school and is employed at St Johns Hospital. She still loves coming to work at All Pets whenever she has free time!

Danielle Tran


Danielle has been at All Pets since 2020. She moved here from Frisco, TX to pursue school at Oklahoma State University. She graduated Animal Biotechnology with a minor in Microbiology. Her hobbies enjoy spending time with her dog, Nyx, and boyfriend, hiking outdoors, fishing and enjoys trying new restaurants or cooking. She plans on applying to Veterinary School in the fall.

Dr. Stephanie Elliott


Dr. Stephanie Elliott graduated from OSU-CVM in 2013 and resides in Stillwater where her and her husband, Ladell, own Elite Combat Systems. Dr. Elliott does relief veterinary work for several different hospitals throughout the state, including All Pets. She is well versed in small animal care and surgery. She has 3 adorable dogs, Hiccup, Olivia, and Canyon. When she is not at a veterinary hospital, she can be found teaching self-defense classes, training, or looking for another corgi to rescue.

Allie Walker


Allie has been at All Pets since 2017. She moved to Stillwater from Frisco, Texas and graduated with her bachelor’s degree in Animal Science. She has a lovable dogs, Johnny & Benny and the sweetest cats Lady & Pippin. In her spare time, she spends a lot of time outdoors, near the water or spending time with friends.

Vanessa Wong


Vanessa has worked at All Pets since 2021 and is from Tulsa, OK. She graduated with a degree from OSU in Animal Science with a minor in Zoology & Wildlife Ecology and is currently a 3rd year Veterinary Student at OSU set to graduate in 2024. In her free time, she helps out Operation Catnip and enjoys spending time with her 3 dogs, Kaido, Mango & Goku.

Dr. Katie Greenwell


Dr. Katie Greenwell graduated from OSU Veterinary School in 2022, but has been working at All Pets as a technician since 2016 before transitioning into a veterinarian role. She resides in Tulsa, OK and travels to Stillwater to work at All Pets on Thursdays. Her interests include small animal medicine and surgery. She has 1 dog whose name is Dog (very original), and three cats, Trav, Oliver, and Dash. Outside of the clinic she enjoys hiking, mountain biking, and spending time with her animals.

Maddie Whelton


Maddie has been with All Pets since 2018 and moved here from Houston, TX to study Veterinary Medicine. She graduated Fall of 2021 with a Bachelors degree in Biochemistry and Molecular Biology. She enjoys traveling with her husband and going on adventures with her two dogs, Pierce & Rodger, but also enjoys relaxing with them! Maddie is applying in the fall for OSU Veterinary School.

Dr. Williams


Dr. Williams graduated from OSU Veterinary School in 2021. She lives in Stillwater with her husband, son, and 2 dogs. She enjoys spending time outdoors with her family.

Sam Burdick


Sam has been at All Pets since 2021 and is from Tuttle, OK. She graduated from OSU in 2020 with her Bachelors in Animal Biotechnology and a minor in Microbiology. She recently graduated with her Masters in Microbiology. She enjoys learning more about anything and everything exotics and being outdoors! Sam is applying to Veterinary School in the fall.