Research/Areas of Interest:

Immunosuppressive drugs, especially cyclosporine
T cell immunology
Antimicrobial resistance
Antimicrobial stewardship


  • Doctor of Philosophy, Mississippi State University, Starkville, United States, 2016
  • Doctor of Vet Medicine, Mississippi State University, Starkville, United States, 2011
  • Bachelor of Science, Mississippi State University, Starkville, United States, 2006


Dr. Claire Fellman is a small animal internist with interests in pharmacology and immunology. Dr. Fellman grew up as a child of the Air Force moving around the world with her family, dog, and cat, before settling in Mississippi in 2000. She received her bachelor's degree in biological engineering at Mississippi State University before starting veterinary school, and then became involved in a research project investigating the effects of cyclosporine on the immune system in dogs as part of a summer research project. This experience led Dr. Fellman to begin a PhD, and complete her clinical training with a Small Animal Internal Medicine residency and Clinical Pharmacology residency, all at Mississippi State University. Dr. Fellman finished her training and began a faculty position at Tufts University in 2016.

Dr. Fellman enjoys treating immune-mediated diseases and working to identify more effective treatment strategies for animals. She is also passionate about cats and has 4 at home in Worcester, along with her dog, and archaeologist fianc , Joseph.