Phone: 985-867-5955 985-867-5955


3985 Highway 59

Mandeville, LA 70471

Hours of Operation:

Mon-Fri: 8 am to 6 pm

Sat: 8 am to 12 pm

Sunday: Closed

Welcome to the DeVun Veterinary Medical Hospital


Find Us

Our Staff

Kathy, Office Manager

Kathy has a degree in Computer Science from Southeastern Louisiana University. She met John at SLU, and they were married before he entered LSU Veterinary School. After growing their family and settling down in Mandeville, they decided to open their own hospital. With her degree and her love of animals, she decided to take on the business and become the hospital manager. She now works part-time and enjoys time off with her grandchildren Myles, Sloan, Lyla and Mason.

Brittany, Assistant Manager / Receptionist

Brittany is the daughter-in-law of John and Kathy DeVun. She started working with us in 2012 after graduating from LSU with a Bachelor’s degree in Business Management. She is married to her husband Justin, who works in Veterinary Sales, and has two children, Myles and Sloan. Outside of work, Brittany enjoys traveling, shopping and watching LSU football. She also has two dogs, Ace and Daisy.

Alexis, Groomer / Receptionist

Alexis has been grooming for over 15 years and has been working with us since the day we opened in 2005. She attended Paragon School of Pet Grooming in Michigan where she received the “Rising Star” award. She enjoys camping and spending free time at the lakefront with her husband, Bert, and two children, Quinn and Sawyer. Alexis is also a fan of the New Orleans Saints. Who Dat!

Ann, Lead Veterinary Technician

Ann joined our staff in 2006 and has worked in Veterinary Medicine for over 20 years. She attended Florida’s St. Petersburg as well as Delgado’s Veterinary Technician program and has a Bachelor’s and Associate’s degree in Veterinary Technology. In her spare time, she enjoys being outside and gardening. She has a dog named Luca and a cat named Agnes.

Anna-Lisa, Veterinary Technician

Anna-Lisa has been a veterinary technician since 2010. She grew up on the
West Bank and has always had a deep love of caring for animals; she
rescued her first cat when she was 2 ½ years old. Anna Lisa is married to
her husband, Isaac, and they have two dogs, Achilles and Brody, and a cat
named Nooch. In her free time, she enjoys caring for her plethora of plants
and we have designated her as our staff Plant Lady.

Nicole, Receptionist

Nicole recently joined our staff in 2023 when she decided to switch career
paths to pursue her love of animals. Previously, she enjoyed being a
Preschool teacher for a local church. She is now happy to be giving all of
her love to our pet patients! She is married to her husband, James, and has
two children, Trey and Jordan. They have two dogs named Bullet and

Donna, Receptionist

Donna joined our staff 6 months after opening, in 2005. She works part-time in our hospital as a receptionist. Donna enjoys being our funniest staff member and brightens our office with her wit. She has a dog named Rin and a cat named Faith.

Catherine, Kennel Supervisor

Cat has been a member of our team since 2009. She left retail in order to pursue her passion for animals and work in a veterinary hospital. She enjoys reading, exercising and spending time with her family. She is married to her husband, Chris, and has two children, Gabby and Christian. She also has two dogs, Rosie and Barqs, and a rabbit, Briar.

Lucinda, Kennel Technician

Lucinda has a love of animals and enjoys spending her days with all of our fur friends here at the hospital but her real passion is being a true Swiftie and a fan girl!

She is currently engaged to her fiancé, Alexander, and they have 2 cats named Filet and Midnight; as well as a dog named Chewbacca.

Michael, Weekend Kennels

Michael enjoys helping with the family business in his spare time. On days the hospital is closed, he gives his time to taking care of our patients who are boarding or hospitalized. Michael is a professional firefighter and owns his own business, Hardline Fabrication. He enjoys spending time outdoors with his dog, Riddick and also has many chickens!