Dr. Warner

Dr. Warner


Dr. Warner was born and raised in Colorado. She attended Colorado State University where she received her Bachelor’s degree in biological science in 2011, went on to study animal nutrition and obtained her Master’s degree in animal science in 2014. She then took a leap of faith and attended Ross University School of Veterinary Medicine in St. Kitts, completing her clinical year at Kansas State University in early 2018.

During veterinary school, she adopted two coconut retrievers from the Caribbean, Lucky and Lara. Most of her spare time is spent with her dogs and cat, Cheyenne.

As a new graduate, she is eager to further explore all of the facets of veterinary medicine. Her interests include nutrition, preventative care and radiology.

Dr. Johnson

Dr. Johnson


Dr. Tanner S. Johnson was born in South Carolina, but grew up in the sunshine state of Florida! He attended the University of Florida for both his undergraduate and doctoral studies, graduating in May of 2016. Following the call of adventure, he moved to Colorado shortly after and has never looked back.

During his studies, Dr. Johnson received an honorary certificate in veterinary dentistry and is a very strong advocate for dental health in pets. His other professional interests include soft tissue surgery, dermatology, and behavior. Dr. Johnson lives in Aurora with his partner and two pups: Terra, a 7-year-old female chocolate lab, and Dante, a 4-year-old male lab mix.

Dr. Vickers

Dr. Vickers


Dr. John Vickers is a Colorado native and graduate of Colorado State University. Initially, he had a career as a middle school teacher in Fort Collins teaching German, French, Spanish, and English Literature. A change of direction led to CSU’s School of Veterinary Medicine. Upon completing his professional degree, John and his family moved to Oregon where he worked as a mixed animal vet. He then returned to Colorado to become a small animal specialist in 2001.

His particular interests include internal medicine, surgery, dentistry, and ophthalmology. In August of 2007, he became the owner of Castle Pines Veterinary Hospital. When not busy at work, you can find him coaching baseball, riding his bike, running in the mountains, or arguing politics with anyone that will listen. He and his wife Diana make their home in Highlands Ranch with their three children Katie, Sarah, and Matt as well as their dog Gracie and cat Oliver.

The highest quality care for those closest to you.


3480 Park Avenue West, Building G
Denver, CO 80216
Click here for directions.


Mon – Fri: 7:30 am – 6:00 pm
Sat: 8:00 am – 6:00 pm
Sun: Closed


Have a question?

Use the form below to send us a message! A member of our team will get back to you as quickly as possible. If you need immediate assistance, please give us a call at 303-454-1800.

Ready to come see us?

Call now to request an appointment!