Meet Our Veterinarian Team

Meet the Veterinarians & Team of The Animal Hospital of Smithson Valley. We’re pleased to provide exceptional vet care for your pets.

Get To Know Our Team

We are solely dedicated to your pet’s care. We look forward to getting to know you, and we hope you’ll take the time to scroll down and get to know us.

Dr. Roy Madigan, DVM

Dr. Madigan is a 2001 graduate of the Texas A&M University College of Veterinary Medicine. He’s 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, DVM

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 the 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 seven 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. She also has two dogs, two 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.

Dr. Shannon Puype, DVM

Dr. Puype attended Tarleton State University in Stephenville, TX where she completed her undergraduate degree. She continued her studies and graduated from Ross University School of Veterinary Medicine in 2019 and moved to Shiner, TX to start her career in rural mixed animal medicine. After three years of practice in Shiner, she has moved back to Spring Branch where she grew up. Dr. Puype will continue to practice mixed animal medicine and will be introducing large animal services to the practice. She enjoys small animal surgery and all aspects of large animal medicine. In her off time she loves traveling, being outdoors and on the water, and spending time with friends and family.

Dr. Roberta Levenberg, DVM

Dr. Roberta Levenberg, graduated with a Veterinary Medicine Degree from the Federal University of Uberlandia, Brazil, in 2003. She worked with Public Health for the Brazilian Government as a Lead Veterinarian at the Department of Agriculture. Her duties included, ensuring animal health and public safety by diagnosing diseases, inspecting farm animals, and taking proactive measures to prevent, control and eliminate unsafe conditions for animals and human health. 

After spending 14 years in Northern Virginia as a military spouse, she relocated to Bulverde/Spring Branch in 2017, focusing her career on small animal care in San Antonio and the Hill Country. An active member of AVMA, American Veterinarian Medical Association, she upholds the highest standards in veterinary care. Dr. Levenberg has an interest in public health, internal medicine, veterinary emergencies, soft tissue surgeries and clinical pathology. 

Beyond her profession, she’s a proud parent of two teenagers and fosters a lively household of two dogs, four cats, and two guinea pigs. She treasures family time, pool swims, and snorkeling in beautiful beaches.