Meet the Team at Northgate Animal Hospital
Our Compassionate Veterinary Team in Colorado Springs, CO

Dr. Brad Bush
Veterinarian / Owner
Dr. Bush went on to study Animal Science at the University of Nebraska and then earned his Doctor of Veterinary Medicine from Kansas State University in 1995. In 2000, Dr. Bush and his wife Kimberlee moved to Colorado Springs to focus on small animals. He enjoys serving pets and their humans in medicine, surgery, and dentistry. Dr. Bush and Kimberlee are blessed with four busy children and a puggle named Dennis. He’s active with kid’s activities, church, and mountain biking.

Dr. Tanner Leon
DVM
Dr. Leon was born in Enid, Oklahoma. He grew up working alongside his dad at
there locally owned large animal health supply store since the age of 14. This
sparked his drive to pursue a career in veterinary medicine. He was
always fascinated by the different areas that becoming a veterinarian could take
him in his life and it has created an abundance of opportunity. Dr. Leon has a
strong passion for surgery, dentistry, emergency medicine and most of all client
communication. When you do not see Dr. Leon at the hospital, he has also been
a consultant with a large dairy operation in Tuttle, Oklahoma where he oversees
all the herd health duties since 2020.
Dr. Leon received a bachelor’s degree in animal science at the University of
Oklahoma State and then earned his Doctor of Veterinary Medicine from
Oklahoma State University in 2020. He and his wife Dr. Avery Melton have been
in Colorado Springs since 2022 and enjoy all the fun adventures that nature
brings to them. They enjoy skiing, snowboarding, hiking, and spending time with
Oakley their labradoodle.

Jenna Wiggans, RVT
Hospital Manager & Lead Veterinary Technician
Jenna has a special interest in advanced veterinary dentistry and has completed extensive continuing education and training in dental radiology, periodontal therapy, endodontics, local anesthesia, and oral pathology. She is passionate about providing high-quality patient care and supporting both the clients and team at Northgate Animal Hospital.
Outside of work, Jenna enjoys spending time with family and friends, hiking, traveling, and exploring Colorado with her Australian Shepherd, Foster.

Alida Swafford, RVT
Registered Veterinary Technician
Alida has been dedicated to veterinary medicine for over 30 years. As a Registered Veterinary Technician, she has extensive experience caring for a wide variety of animals, from traditional farm animals to exotics and zoo wildlife, with birds holding a special place in her heart.
Originally from the Bay Area of California, Alida moved to Colorado Springs with her family in 2017. Outside of work, she enjoys hiking, fishing, relaxing by the lake, and spending time with her daughters and her Cavalier King Charles Spaniel, Raven.

Diana Martinez
Veterinary Technician
Originally from Dallas, Texas, Diana moved to Colorado in 2016 with her husband, who previously served in the military. She has always had a love for animals and knew she wanted to pursue a career in veterinary medicine. Diana completed her Veterinary Technician program in 2026 and is currently preparing to take the VTNE in January with the goal of becoming a Registered Veterinary Technician.
Outside of work, Diana enjoys spending time with her husband and their three daughters. Their home is also filled with quite the collection of animals, including their cats, Starfire and Nimbus, as well as bearded dragons, savannah monitors, and a variety of snakes and lizards.

Emily Varnet
Veterinary Assistant
Emily was born in Colorado Springs and is currently attending PIMA Medical Institute’s Veterinary Technician program. Emily enjoys camping, fishing and spending time with family in her spare time. She also loves spending time with her fur babies Nala Bean and Koda, and her feathered friends Marley, Mango, and Mentos.

Kristin Manzanares
Veterinary Assistant
Kristin was born and raised in Pennsylvania and joined the U.S. Army in 2019, which gave her the opportunity to live in both South Carolina and Germany. After welcoming her son in 2022, she spent a year and a half as a stay-at-home mom before beginning her career in veterinary medicine at Colorado Canine Orthopedics in 2024. Kristin joined the Northgate Animal Hospital team in August 2025 and will begin attending Purdue University in the spring of 2027 to pursue her Veterinary Technician degree.
Kristin is passionate about providing compassionate care to her patients and continuing to learn and grow in veterinary medicine. Outside of work, she enjoys reading and spending time with her husband, son, and their four pets: Piper, their dog, and Clover, Chief, and Macy, their cats.

Guillermo "Memo" Chaverri
Veterinary Assistant
Memo’s curiosity for how things work and passion for learning eventually led him to pursue a career in veterinary medicine. He enjoys gaining hands-on experience, solving problems, and continuing to expand his knowledge of animal care. Memo is currently continuing his education with the ultimate goal of attending veterinary school and becoming a veterinarian.
Outside of work, Memo enjoys spending time with friends, going to concerts, and catching a good movie. When he isn’t out and about, he enjoys spending time with his terrier mix, Stella, whom many of our clients may recognize since she often joins him at Northgate!