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About us

cocker1.pngWilliams Sebby Vet Clinic is proud to serve the city of San Marcos, TX for everything pet-related. Our veterinary clinic and animal hospital is run by Dr. Todd E. Sebby, Dr. Mark Williams, & Dr, Roslyn Reavis, who are licensed, experienced veterinarians.

Our team is committed to educating our clients in how to keep your pets healthy year round, with good nutrition and exercise. Williams Sebby Vet Clinic stays on top of the latest advances in veterinarian technology and above all, remembers that all animals and pets need to be treated with loving care in every check-up, procedure, or surgery.

Here at the Williams Sebby Vet Clinic, our team and clients are treated like family. We pride ourselves in taking good care of our clients and their pets.

Our Locations

Office Hours


8:00 am-6:00 pm


8:00 am-6:00 pm


8:00 am-6:00 pm


8:00 am-6:00 pm


8:00 am-6:00 pm


9:00 am-1:00 pm