About

Finding out your pet has cancer can be very frightening.  But there is hope.  Treeline Veterinary Cancer Care’s mission is to provide the highest quality, most up-to-date, and compassionate cancer treatment for pets in Colorado.  Dr. Karen Oberthaler is a board certified Veterinary Oncologist with decades of experience.  Dr. Oberthaler works with families and their primary veterinarians every step of the way to educate them about their pet’s cancer and assist them in making informed decisions regarding diagnostic testing and treatment options.  After a family makes a decision, Dr. Oberthaler will guide them through the treatment plan.    Treeline Veterinary Cancer Care strives to offer a personalized, compassionate approach to treating your pet’s cancer, while using the most advanced medicine available in a comfortable environment.