Dr. Erin Arnold
Diplomate, American College of Veterinary Internal Medicine (Oncology)
Dr. Erin Arnold is board certified in veterinary medical oncology, providing mobile oncology services in Denver and throughout the surrounding Front Range. She partners with hospitals to deliver advanced cancer care, treatment planning, and ongoing case support, bringing specialty oncology expertise directly to patients and referring teams.
Biography
Dr. Erin Arnold completed her oncology residency at Purdue university and became board certified in medical oncology in 2011. She obtained her doctorate of veterinary medicine from North Carolina State University. After earning her bachelor’s degree in microbiology from Colorado State University, she strived to return to Colorado’s mountains and outdoor beauty.
Dr Arnold has practiced in the Denver and Colorado Springs area for over a decade and is now excited to be joining Moves. She is passionate about expanding access to oncology care and looks forward to collaborating with local clinicians to provide specialized treatments closer to her patients’ homes.
Dr. Arnold’s care focuses on a multi-modal approach which may incorporate some combination of chemotherapy, molecular targeted therapies, immunotherapy, electrochemotherapy, and supportive care for cancer patients. Her professional interests include electrochemotherapy treatment for tumors of the face and mouth and treatment strategies to improve survival times for cancers such as lymphoma, histiocytic sarcoma, and transitional cell carcinoma of the urinary bladder. Dr. Arnold strives to provide high-quality medical care for animals while offering emotional support for families.
CV
- 2026
Joined MOVES - 2011-2026
Private Specialty Practice in Veterinary Oncology - 2011
Achieved board certification in Oncology through ACVIM - 2011
Earned M.S. in Applied Statistics from Purdue University - 2008-2011
Completed Small Animal Oncology Residency at Purdue University - 2007-2008
Completed Small Animal Medicine and Surgery Internship at Purdue University - 2007
Earned DVM degree from North Carolina State University College of Veterinary Medicine - 2002
Graduated from Colorado State University with B.S. in Microbiology
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What is a board-certified veterinary oncologist?
A board-certified veterinary oncologist is a veterinarian who has completed advanced, specialized training in oncology, the study and treatment of cancer in animals, after graduating from veterinary school.
This training typically includes three to five years of focused education, beginning with a rotating internship across medical and surgical specialties, followed by a residency dedicated specifically to cancer care. During this time, oncologists gain in-depth expertise in cancer diagnosis, treatment planning, chemotherapy, and compassionate long-term management.
To achieve board certification, veterinary oncologists must pass rigorous examinations and meet publication and training requirements set by the American College of Veterinary Internal Medicine (ACVIM). Veterinarians who complete all requirements earn Diplomate status, which signifies recognized board-certified specialty care in Medical Oncology.



