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Welcome to Animal Hospital of Smithson Valley
Your Veterinarian in Spring Branch,TX
Call us at (830) 438-8885

Pet Emergency? Call us right away at (830) 438-8885!

Image of a dog wearing a stethoscope

If you live in Spring Branch or the surrounding area and need a trusted veterinarian to care for your pets – look no further. Dr. Roy Madigan is a licensed TX veterinarian, 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.

Animal Hospital of Smithson Valley 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. Dr. Roy Madigan has 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 Spring Branch 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 830-438-8885 or email us and we'll promptly get back to you. Our Spring Branch veterinarian office is very easy to get to -- and you can find directions on our Contact Us page! We also welcome you to subscribe to our newsletter, which is created especially for Spring Branch pet owners.

At Animal Hospital of Smithson Valley, we treat your pets like the valued family members they are.

Dr. Roy Madigan
Spring Branch Veterinarian | Animal Hospital of Smithson Valley | (830) 438-8885

286 Singing Oaks #113
Spring Branch, TX 78070


Read What Our Clients Say

  • "We love this Animal Hospital we would never go anywhere else! They treat us so wonderful and they treat our cats so wonderful!"
    Connie Joiner C.

Meet Our Skilled Team

Learn Who We Are

  • Dr.
    Roy Madigan

    Dr. Madigan is a 2001 graduate of the Texas A&M University College of Veterinary Medicine. Hes been serving the Spring Branch/Bulverde community for over 9 years now; focusing on small animal companion animals, specifically allergic skin diseases and reproduction. He spends some time each year pursuing his love for marine mammals in various locations around the world. Currently, he is working internationally on a canine and human treatment for chronic Chagas disease. Dr Madigan loves to scuba dive, cook, and stay active with running.

  • Dr.
    Whitney Zamarripa

    Dr. Zamarripa graduated cum laude from the Texas A&M College of Veterinary Medicine in 2015. Prior to veterinary school she earned her Bachelor and Master of Business Administration degrees from the University of Kentucky before working in the healthcare industry for Johnson & Johnson. She enjoys all aspects of animal medicine but is especially interested in dermatology, internal medicine, and soft tissue surgery. When not at work Dr. Zamarripa loves spending time with her husband Jose and their two sons JD and Jax. She also enjoys running, traveling, and spending time outdoors.

  • Dr.
    Samantha Almany

    Dr Samantha Almany graduated from Texas A&M College of Veterinary Medicine in 2004.  She comes to Spring Branch from New Braunfels, where she has worked for the past 12 years in a small animal practice.  Dr Almany particularly enjoys working in a family based clinic, where she can provide personalized care for people and their pets! Her special interests include dermatology, cytology, oncology, and internal medicine.  When she is not at work, she stays busy with her two small children and enjoys music, gardening, reading, and being outdoors as much as possible!

  • Victor Bazan
  • Belinda Giles
  • Jason

    Technician at Animal Hospital of Smithson Valley

  • Amanda Sprague

    Bio coming soon...

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Office Hours

Our Regular Schedule


7:30 am-6:00 pm


7:30 am-6:00 pm


7:30 am-6:00 pm


7:30 am-6:00 pm


7:30 am-6:00 pm