Our caring and compassionate veterinary care team!

Meet the Veterinarians & Team of North Pines Animal Hospital in Willis! We’re pleased to provide exceptional vet care for your pets!

Please call us at 936-856-1700 to speak to one of our caring veterinary staff members!

Dr. Dianah Thompson


Dr. Thompson graduated from the Texas A&M College of Veterinary Medicine in 2003. She first owned a predominately large animal practice in Madisonville, TX until 2008 when she began working as an independent veterinary contractor for small animal practices. From 2009 to 2012 she held the postion of Chief of Staff at Banfield Pet Hospitals throughout the Houston area. Dianah was raised in Joshua, Texas and married Danny Thompson in May 2007. They have been blessed with two children: Danicka and Cole. Dr. Thompson now resides in Conroe TX and has become a member of The Fellowship of the Woodlands Church. She and her family enjoys fishing, biking, hiking, cooking and sharing their home with an array of pets including two Weimaraners, two Chiweenies, a Jack Russel Terrier, a cat, a guinea pig and a horse.

Dr. Rickie Christensen


Dr. Rickie Christensen is a veterinarian at North Pines Animal Hospital where she has been part of the team since 2018. Dr. Christensen is an alumna of Texas A&M University, receiving both her Bachelor of Science in Veterinary Science and Doctor of Veterinary Medicine degrees before beginning her career as a veterinarian in 2007.

Dr. Christensen’s favorite part about being a veterinarian is having the chance to meet so many wonderful patients. When not at the clinic, Dr. Christensen enjoys horseback riding, watching movies and reading, as well as spending time with her animal family, which includes dogs, cats, horses and a donkey.

Roslyn Bonnot

Practice Manager

Roslyn Bonnot joined the North Pines Animal Hospital and Bed, Bath and Biscuit teams as the Practice Manager in October 2019. A Texas native, Roslyn grew up in San Antonio and attended college at Texas A&M University, where she graduated with a Bachelor of Science degree in Animal Science in 2000. Prior to joining the NPAH/BBB teams, Roslyn spent 24 years in the veterinary industry, holding numerous positions, including veterinary technician, veterinary keeper, equine reproduction manager, and general manager/practice manager of an equine facility.

Her favorite part of working in the veterinary industry is having the opportunity to get to know so many great people and their pets. Roslyn enjoys spending time camping, fishing, grilling, horseback riding, racing cars, reigning/dressage horse shows, and spending time with her family – including being a support team for her kids in 4-H, sports and academics. Her family also includes three cats, four Staffordshire Terriers, five horses, cattle, sheep, and chickens.


Dr. Elizabeth Warren


Dr. Hansen Warren joined North Pines Animal Hospital as an Associate Veterinarian in June 2021. She received her Bachelor of Science in Animal Sciences from Purdue University and continued her education at Purdue to earn her Doctorate in Veterinary Medicine in 2016. As a young girl, helping animals is all Dr. Hansen Warren dreamed of and knew she wanted to become a vet. Now that she has achieved her dreams, she loves the challenge of problem-solving for those that cannot speak. Outside of work, Dr. Hansen Warren enjoys reading, fishing, hiking, riding horses, traveling, and showing cattle with her family. Her husband, Matt, stepdaughters, Kailey & Paisley, and their newest addition Teagan, help care for their many four-legged family members including cats, dogs, a horse, and plenty of cattle and goats.