Your Local Pet Enthusiasts

The Animal Health Center Staff 

Teamwork is how we serve you best! Our veterinarians, technicians, receptionists, and kennel workers are all putting their best foot forward to help you take the very best care of your four-legged loved ones. 

Who’s Who? 

Our Veterinarians

Dr. Tammy Williamson, DVM


Dr. Williamson graduated from University of Missouri-Columbia in 2001. She graduated from College of the Ozarks in 1996 with a Bachelor of Science with a major in Biology and minors in Chemistry & Animal Science. Dr. Williamson and her husband Jason have two children, Logan and Mikaela. She has seven dogs, seven cats, nine horses, seventy sheep, and one hundred cattle. Dr. Williamson has worked at the Animal Health Center of Dexter off and on since 2001. She has also worked in Small Animal Emergency & Internal Medicine and soft tissue surgery. In her free time, Dr. Williamson enjoys riding and camping with her horses out West.
Veterinary Technicians

Lariat Hollida

RVT Registered Veterinary Technician

Lariat graduated from Three Rivers College in 2014 with an Associate in Agriculture & AAS Ag Science. She graduated from Murray State with a BAS Vet Technology. Lariat does not have any children but does have four fur babies: Kosh, Hachi, Petri, & Tazzy. Lariat started working for Animal Health Center of Dexter in 2019 as a Registered Veterinary Technician.

Hallie Keathley

RVT Registered Veterinary Technician

Hallie graduated with a BSA in Veterinary Technology from Murray State University in May of 2022. She has Two fur babies, Sakari & Bailey. She started working for Animal Health Center in 2018.
Veterinary Tech Assistants

Shyann Larsen

Veterinary Tech Assistant

Megan Trewatha

Veterinary Tech Assistant

Ashton Grainger

Veterinary tech Assistants

Office Manager

Molly Propst

Practice Manager

Molly started as a Veterinary Technician in 1994 at the Animal Health Center of Sikeston. Molly also worked at the Animal Emergency Center for a time before she took time off to raise her 3 children with her husband Darrin. She came back to the veterinary field in January 2016 when she took her position here at AHC of Dexter. Molly's love for animals inspired her career choice. She has four pets: Johnny, Magie, Ollie, and Sammie. Working with animals is something she will always be passionate about.

Yvonne Morley


Yvonne started with the Animal Health center in 2016. She lives with her husband Billy and her two sogs Rukus and Dyna.
Kennel Technician

Peggy Stone

Kennel Technician