Our People

Dr. Melissa Mazan is a Professor of Large Animal Internal Medicine with a focus in respiratory medicine, and Associate Chair for Faculty Development in the Department of Clinical Sciences at the Cummings School of Veterinary Medicine, as well as heading up the Tufts Center for Equine Respiratory Health at the Hospital for Large Animals. Dr. Mazan managed her own barn growing up, and in addition to horse showing, was an active member of the Sleeping Giant Pony Club in CT.  She played Varsity Polo at Yale University and was the Captain of the Polo Team at the University of Oxford before getting her veterinary degree and then completing a Large Animal Internal Medicine residency at Tufts, where she focused on respiratory disease. Optimizing lung function, she notes, is essential to the success of equine athletes. Dr. Mazan is a world-recognized expert in the field of equine asthma, which affects up to 80 percent of stabled horses and is one of the most common and important causes of poor performance in athletic horses. Dr. Mazan helped to create the first clinical lung function testing service in the country, and maintains a bronchoalveolar lavage (BAL) cytology service. “By offering a specialized and personalized respiratory work-up, where the experts not only perform the tests, but interpret both the lung function testing and BAL cytology onsite”, says Dr. Mazan, “we can put together a plan that works for your horse and you. Our goal is to help every horse we see achieve its best possible lung function so that you and your horse can continue to compete at the highest level.” Dr. Mazan publishes frequently on equine asthma, lung function testing, and BAL cytology, and is a well-recognized speaker in this area.


Dr. Daniela Bedenice, one of the few veterinarians in the country who is dually boarded in Internal Medicine and Emergency and Critical Care, takes great pride in her work with foals and adult horses and is also a leading expert in treating llamas, alpacas and other camelid species. Dr. Bedenice grew up in rural Germany, where she trained and cared for many horses.  After earning her veterinary degree from the Free University of Berlin, Dr. Bedenice undertook a residency with a private practice. Soon after, she moved to the United States, earned her board certification in both veterinary internal medicine and emergency and critical care, and joined the faculty at the Cummings School. As an Associate Professor in the Department of Clinical Sciences at the Cummings School of Veterinary Medicine, Dr. Bedenice leads and contributes to a variety of courses and clinics, including large animal internal medicine, gastro-intestinal disease and neurology, camelid medicine, gastro-intestinal pathophysiology, neuro-pathophysiology, toxicology, clinical pharmacology.


Dr. Alisha Gruntman is an internist at the Hospital for Large Animals at Cummings School of Veterinary Medicine at Tufts University.  She commonly treats colic, colitis, enteritis, gastric ulcers, pneumonia, equine asthma, neurologic diseases, fevers of unknown origin, preventative care of pot-bellied pigs, failure of passive transfer and other common illnesses of neonatal foals and crias. Dr. Gruntman grew up in northern Indiana.  She had an early love of biology and medicine, and always enjoyed playing with the family’s dogs, cats, and chickens. After completing her DVM at Purdue University, Dr. Gruntman completed her internship and residency at Cummings School of Veterinary Medicine. She also holds a PhD in Biomedical Science specializing in gene therapy from UMass Medical School. When she is not at work, Dr. Gruntman enjoys gardening, camping, hiking, reading, and spending time with her husband and two daughters.