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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. Jana Grant

    Dr. Jana Grant grew up in Northern Virginia and Phoenix, Arizona.  After graduating with a bachelor’s degree in biology and anthropology from James Madison University in Harrisonburg, Virginia, she made a big move to California to attend veterinary school at Western University of Health Sciences. She graduated in 2009 and moved to Sacramento, California to complete a small animal internship at Sacramento Veterinary Referral Center. She enjoys internal medicine cases, radiology, animal behavior, and dermatology.  After working in a small animal practice in Elk Grove, California for 7 years, she elected to make another big move to Texas to be closer to friends.  Dr. Grant practiced at a hospital in San Antonio for several years, before moving to Bulverde, and is excited to set down roots in her new hometown.  She wants to make visiting the veterinarian an enjoyable experience for people as well as pets.  She hopes to build lasting relationships with her clients and teach them how to best care for their furry family members.  Dr. Grant has 2 young kids Kayla and Kai.  As well as a menagerie including 2 dogs, 2 cats, a tortoise, and fish.  In her free time, she enjoys spending time with her family and friends, eating at local restaurants, gardening, and being outdoors as much as possible.

  • Jason
    Office manager and Technician

    Office manager and Technician at Animal Hospital of Smithson Valley

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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