Dr. David Buelna
Dr. David Buelna was born and raised in Houston, Texas. He attended the Village School and later graduated from Strake Jesuit College Preparatory. He always wanted to become a veterinarian and set out to do so since his start at the University of Texas at Austin. He attended St. Georges Veterinary University and lived in the Caribbean for 3 years. Here he earned his Doctorate of Veterinary Medicine and on the side, he earned his PADI Rescue Diver certification. His areas of interest include preventative medicine, ultrasound and other advanced imaging modalities. He has 2 sons, Logan and Eli, and a daughter, Tilly with his amazing wife Dr. Molly Obergfell. They spend most of their time working together, outdoors, cooking, and watching movies when not running three businesses!
Dr. Molly Obergfell (Buelna)
Dr. Molly Obergfell graduated from Texas A&M University with her undergraduate and Doctorate of Veterinary Medicine. As a Veterinary student Dr. Obergfell travelled to South Africa, Europe, Costa Rica, and Mexico working with Veterinarians in Conservation Medicine. After graduation she joined private practice and worked in wellness, surgery, and emergency. Her interests include dermatology and internal medicine, but her favorite aspect of veterinary medicine is being a part of her clients special bond with their pets. Outside of the clinic you can find Dr. Obergfell with her amazing hubby, Dr. Buelna, their two precious boys, Logan and Eli, and daughter, Tilly! Dr. Obergfell enjoys spending time with her family, cycling, swimming, roller coasters, and live music.
Dr. Darla Chow
Dr. Darla Chow is a native Houstonian. She graduated from St. John’s School in Houston, Texas. Dr. Chow earned her Bachelor’s degree in Biology from the University of Texas at Austin and her Doctor of Veterinary Medicine degree from Texas A&M University. She completed a one year, small animal medicine and surgery internship at VCA Vet Care and Referral Hospital in Albuquerque, NM. After her training, she worked as a small animal veterinarian in Dallas, Texas. She completed extensive ultrasound training through Sound Eklin Academy of Veterinary Imaging and received a Certificate of Completion in Advanced Imaging. Her primary areas of interest include feline medicine and ultrasonography.
Dr. Chow shares her home with her husband, Phat, her daughters, Caitlin & Alex, and four felines, Twiggy, Shiner, Tuna, and Shadow. She enjoys spending time with her friends and family, running, and cooking.
Dr. Prisha Shah
Dr. Prisha Shah was born and raised in Katy, Texas. She graduated magna cum laude from the University of Texas at Austin with a Bachelor of Science and Arts in Biology. She then earned her Doctorate of Veterinary Medicine from Texas A&M University, where she graduated magna cum laude and received the American College of Veterinary Internal Medicine Award.
Dr. Shah became passionate about veterinary medicine while caring for her beloved special-needs pup Gina, who became paralyzed. Dr. Shah is committed to providing personalized and comprehensive care for all four-legged family members and supporting the owners who make it all possible! Her areas of interest include internal medicine, ophthalmology, and dermatology.
While outside the clinic, Dr. Shah enjoys spending time with her Chihuahua Daisy, cooking, reading, and traveling!
Dr. Samantha Dantin
Dr. Dantin is originally from a small town outside of New Orleans, Louisiana. She graduated with a degree in Biological Sciences from Louisiana State University in 2016, before earning her DVM from Louisiana State University in May of 2023. During her undergraduate career, she was a member of Zeta Tau Alpha sorority and volunteered her time at local animal shelters. During her veterinary school career, Dr. Dantin was a part of several clubs and was inducted into Phi Zeta Society. Her clinical interests include internal medicine, soft tissue surgery, ultrasonography, ophthalmology, and preventative care. Outside of veterinary medicine, Dr. Dantin likes traveling, trying new food and restaurants with her fiancé, reading, thrifting, wine tasting, and being outdoors. She has an orange tabby named Shrimp, who loves chaos.
Dr. Patricia Nguyen 
Dr. Patricia Nguyen is native Houstonian. She graduated from University of Houston and then became a proud alumna of Michigan State University, where she earned her Doctor of Veterinary Medicine degree in 2024 (Go Green!) Her areas of interests include soft tissue surgery and preventative care. Before joining the team, her professional journey includes serving the community – from participating in a spay/neuter campaign in rural Mexico to working with multiple shelters. She looks forward to many more opportunities in providing service and building bonds with patients and owners here at Circle B. Outside of work, Dr. Nguyen enjoys hiking, reading, exploring new food in Houston, and going on trails with her 15-year old dog Marley.
