NEW PATIENTS RECEIVE 10% OFF FIRST VISIT

Welcome to the BRAND NEW Williams-Sebby Veterinary Clinic
Your Veterinarian in SAN MARCOS TX
Call us at (512) 396-1996

Pet Emergency? Call us right away at (512) 396-1996!

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If you live in SAN MARCOS or the surrounding area and need a trusted veterinarian to care for your pets – look no further. Dr. Todd E. Sebby, Dr. Mark Williams, & Dr, Roslyn Reavis are licensed TX veterinarians, treating all types of pets. Your pets’ health and wellbeing are very important to us, and we take every possible measure to give your animals the care they deserve.

Williams-Sebby Veterinary Clinic is a full-service animal hospital and welcomes both emergency treatment cases as well as pet patients in need of routine medical, surgical, and dental care. Our Doctors have years of experience treating serious conditions and offering regular pet wellness care. Beyond first-rate pet care, we make our clinic comfortable, kid-friendly, and calm, so your pet can relax in the waiting room and look forward to meeting our SAN MARCOS veterinarian.

We are happy to offer a number of resources that enable you to learn about how to take better care of your pets. Please feel free to browse our site, particularly the informational articles. The best veterinary care for animals is ongoing nutrition and problem prevention, so becoming knowledgeable about preventative pet care is essential to the ongoing success of your animal’s health. If you have any questions, call (512) 396-1996 or email us and we'll promptly get back to you. Our SAN MARCOS veterinarian office is very easy to get to -- just check out the map below! We also welcome you to subscribe to our newsletter, which is created especially for SAN MARCOS pet owners.

At Williams-Sebby Veterinary Clinic, we treat your pets like the valued family members they are.

ASK US ABOUT OUR DOG TRAINING CLASSES AND GROOMING SERVICES TODAY!!!!!!

Williams-Sebby Veterinary Clinic

(512) 396-1996

131 Coachman

SAN MARCOS, TX 78666 9723

Main Office

Monday:

8:00 am-6:00 pm

Tuesday:

8:00 am-6:00 pm

Wednesday:

8:00 am-6:00 pm

Thursday:

8:00 am-6:00 pm

Friday:

8:00 am-6:00 pm

Saturday:

9:00 am-1:00 pm

Sunday:

Closed

Testimonials

  • "I love this clinic. Staff has always been kind and they are great with my dog. They always fit me in and I've never had to wait long between the waiting room and actual visit. I moved a few months ago and am sad that I have to find a new vet. Thanks for the great service for almost 5 years!"
    Kirsten Hettinger
  • "This has to be the greatest vet ever!!! Called them because my outdoor cat came home (after his 4 nights out partying) tore up really bad. They were very understanding and got me in right away. Wait time was only a few minutes and everyone was very kind. I was very worried about how much it was going to cost but I have to say that it was very reasonable."
    Monica Fisher
  • "We have taken pets here all my life and will never go anywhere else! Great staff, and fantastic service! Looking forward to the new facilities!"
    Madelyne Mann
  • "Have been using them for years. They are always super friendly caring and very knowledgeable about my pets, I feel like I get the best care possible and at a reasonable rate."
    Deborah Campbell
  • "This is a top-notch veterinarian clinic that's a "one-stop shop" as they also offer pet boarding & pet grooming. Christy has provided great service when I've come by."
    J. T. Sampson
  • "I love this clinic and have been taking our pets there since I was a toddler! Both docs are amazing and the prices can't be beat. They have cared for all of our animals both large and small and are always very helpful during office hours and when I've had to call after hours. I would NEVER consider going elsewhere!"
    Valerie Hughson
  • "Hi, y'all! My name is Lauren and my almost 10 year old mini Yorkie Ginger is the absolute LOVE of my life! We have had numerous vets over the years and without a doubt the folks at Williams-Sebby set the standard for vet care! From the moment you walk in the door, the entire Williams-Sebby crew are there to make you feel at home. Their knowledge, expertise, and LOVE of all animals is top notch & I'm forever grateful for the love you've shown to my precious furry person. <3"
    Lauren Szekelyhidi

Featured Articles

  • Seasonal Care

    Heat Stroke Heatstroke may kill or seriously injure your pet—but it can easily be avoided by adhering to the following tips. Never leave pets in cars on warm days. Exercise your pet during the cool part of the day. Look out for rapid breathing, loud panting or staggering; these can be signs of dehydration, ...

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  • Recognizing Illnesses

    Only a healthy pet is a happy companion. Assuring your pet's daily well-being requires regular care and close attention to any hint of ill health. The American Veterinary Medical Association therefore suggests that you consult your veterinarian if your pet shows any of the following signs: * Abnormal ...

    Read More
  • Mealtime

    Puppies Feed a high quality diet designed for puppies. A wide variety of diets and formulations are available and your veterinarian should be your primary source of information as to the best choice for your puppy. The amount fed will vary with the type of food and the individual dog, but in general, ...

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  • Ticks

    Ticks are the small wingless external parasites, living by hematophagy on the blood of mammals, birds, and occasionally reptiles and amphibians. Ticks are blood-sucking parasites that are often found in freshly mown grass, where they will rest themselves at the tip of a blade so as to attach themselves ...

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  • Seizures

    Seizures are common in dogs, but more unusual in cats. Seizures are just symptoms which can occur with many kinds of diseases. They can happen because of diseases outside the brain or inside the brain. Low blood sugar that can happen with an overdose of insulin or with a tumor of the pancreas can cause ...

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  • Ruptured Anterior Cruciate Ligament (ACL)

    The rupture of the cruciate ligament is the most common knee injury in the dog. This injury has two common presentations. One is the young athletic dog playing roughly who acutely ruptures the ligament and is non-weight bearing on the affected hind leg. The second presentation is the older, overweight ...

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  • Luxating Patella

    Luxating patella is a condition where the kneecap (patella) moves out of its normal position. Luxating patella is one of the most common knee joint abnormalities of dogs, but it is only occasionally seen in cats. It may affect one or both of the knees. In some cases it moves (luxates) towards the inside ...

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  • Liver Shunt

    A liver shunt is also named a PSS, portosystemic shunt, portacaval shunt or portosystemic vascular anomaly. This abnormality occurs when a pet's venous blood from the intestine bypasses the liver. In the normal pet, blood vessels pick up nutrients from ingested material in the intestine and carry it ...

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  • Hypothyroidism

    Hypothyroidism is the natural deficiency of thyroid hormone and is the most common hormone imbalance of dogs. This deficiency is produced by several different mechanisms. The most common cause (at least 95% of cases) is immune destruction of the thyroid gland. It can also be caused by natural atrophy ...

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  • Epilepsy

    Epilepsy (often referred to as a seizure disorder) is a chronic neurological condition characterized by recurrent unprovoked seizures. It is commonly controlled with medication, although surgical methods are used as well. Epileptic seizures are classified both by their patterns of activity in the brain ...

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