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Meet Our Doctors

Dr. Dwayne Sargent

 Dr. Dwayne Sargent graduated from C.S.U. with his Doctor of Veterinary Medicine in 1962. He then entered practice with Dr. Stuart Burkhardt until Stuart's death. In 1974 Dr. Sargent built the Front Range Veterinary Clinic and in 1983 the Clinic became a member of the American Animal Hospital Association. His son, Dr. Brett Sargent joined him in 1987. Dwayne's special interests include dermatology, cardiology and reproductive medicine.

 Dr. Brett Sargent earned his Doctor of Veterinary Medicine from Colorado State University in 1987. Shortly after graduation he joined his father at Front Range Veterinary Clinic. Brett's area of special interest includes internal medicine, dentistry, and soft tissue surgery. Dr. Brett has been certified as a Diplomate by the American Board of Veterinary Practitioners (ABVP) specializing in canine and feline practice.

Dr. Sarah Christiansen

 Dr. Sarah Christiansen graduated with her Doctorate of Veterinary Medicine from Kansas State University in 2004. She completed a medical, surgical, and emergency medicine rotating internship with Wheat Ridge Animal Hospital in 2005. Sarah joined the Front Range family shortly after completing her internship. Her interests include preventative and internal medicine, and weight and pain management. Sarah lives in Morrison with her husband and two children. In her time away from work, she enjoys hiking, skiing, reading, and playing with her family.


Dr. Amy Fyock graduated from Colorado State University with her Doctorate of Veterinary Medicine in 2018. She joined the Front Range team shortly after and has been a great addition. Dr. Amy's veterinary interests include internal medicine and patient care. Outside of work, Dr. Amy spends time with her two sons, Logan and Theo and her husband Mitch. Additionally she enjoys hiking around our beautiful state, attending concerts and playing her violin.