Large Animal Medicine Clinical Team

Our large animal internal medicine team comprises board-certified faculty/clinicians, nurses and technicians, as well as residents, interns and students. We take pride in providing excellent care and a compassionate environment for our clients and patients.


Clincial Team
Dr. Ray Sweeney, New Bolton Center
Ray Sweeney, VMD, DACVIM (LA Internal Medicine)
  • Professor of Medicine
  • Section Chief, Internal Medicine & Ophthalmology
Jon Palmer, VMD, Penn Vet, medicine
Jon Palmer, VMD, DACVIM (LA Internal Medicine)
  • Associate Professor of Medicine
  • Chief of Neonatal Intensive Care
Corinne Sweeney, DVM, New Bolton CenterCorinne Sweeney, DVM, DACVIM
  •  Professor of Medicine
  • Associate Dean for New Bolton Center
Dr. Rose Nolen-Walston, New Bolton Center
Rose Nolen-Walston, DVM, DACVIM (LA Internal Medicine)
  • Associate Professor of Medicine
Dr. Amy Johnson, New Bolton Center
Amy Johnson, DVM, DACVIM (LA Internal Medicine, Neurology)
  • Assistant Professor of Large Animal Medicine and Neurology
Dr. Neil Mittelman, New Bolton Center
Neil Mittelman, DVM
  • Resident, Internal Medicine
Dr. Daniela Luethy, New Bolton Center
Daniela Luethy, DVM
  • Resident, Internal Medicine