New Bolton Center Kennett Square, PA
Emergencies & Appointments:
Ryan Hospital Philadelphia, PA

Internal Medicine Clinical Team

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

Internal Medicine Faculty/Clinicians
Mary Beth Callan, VMD, Penn Vet, internal medicine
  • Professor, Internal Medicine
  • Medical Director, Penn Animal Blood Bank
  • Hematology
  • Transfusion medicine
Dr. Oliver Garden, Penn Vet 
Dr. Rebecka Hess, Penn Vet
  • Professor, Medicine
  • Chief, Medicine Section
  • Internal Medicine
  • Diabetes
Dr. Elizabeth Lennon, Penn Vet 
Dr. Nicola Mason, Canine Cancer Studies
  • Associate Professor, Medicine
  • Internal Medicine
  • Canine Cancer
  • Immunotherapy
Mark Rondeau, Penn Vet, internal medicine
  • Professor, Clinical Medicine
  • Internal Medicine
Dr. Ariel Mosenco, Penn Vet
  • Associate Professor, Clinical Medicine
  • Internal Medicine
  • Nutrition
Dr. Kathryn McGonigle
  • Assistant Professor, Clinical Medicine
  • Internal Medicine
Adreanne Cleroux, DVM, Penn Vet
Dr. Megan McClosky, Penn Vet
Internal Medicine Residents & Interns
 Stephen Cai, Penn Vet
Dr. Jennifer Forgash, Penn Vet
  • Jennifer Forgash, DVM
  • Resident, Medicine
Dr. Brittany Fowler, Penn Vet
  • Brittany Fowler, DVM
  • Resident, Medicine
Dr. Bridget Harvey, Penn Vet
  • Bridget Harvey, DVM
  • Resident, Medicine
 Matthew Lechner, Penn Vet
  •  Resident, Medicine
Dr. Mei Lun Mui, Penn Vet
  • Mei Lun Mui, DVM
  • Resident, Medicine
 Olivia Nathanson, Penn Vet
  •  Resident, Medicine
Dr. Emily Seidel, Penn Vet
  • Emily Seidel, VMD
  • Resident, Medicine
Dr. Emily Shea, Penn Vet
  • Emily Shea, VMD
  • Resident, Medicine
 Cara Steele, Penn Vet
  • Resident, Medicine
Dr. Rebecca Stevens, Penn Vet
  • Rebecca Stevens, VMD
  • Resident, Medicine
 Ali Thomas-Hollands, DVM
  • Alison Thomas-Hollands, DVM
  • Resident, Medicine

Internal Medicine Nursing Staff
Christina Acholla, CVT
  • Christina Acholla, CVT
  • Internal Medicine
 Victoria Anders, CVT, Penn Vet
  • Victoria Anders CVT, VTS (SAIM)
  • Internal Medicine, Feline Hyperthyroidism
Lisa Black CVT, Penn Vet
  • Lisa Black, CVT
  • Internal Medicine
Lara Haab, CVT, Penn Vet
  • Lara Haab, CVT
  • Internal Medicine
  • Reagan Hall, CVT
  • Fluids Ward
 Charlotte Higgins, CVT, Penn Vet
  • Charlotte M. Higgins, CVT, VTS
  • Nutrition Support
 Kym Marryott, CVT, Penn Vet
  •  Kym Marryott, CVT
  • Internal Medicine, Blood Bank
 Ali McKenna, CVT, Penn Vet
  • Ali McKenna, CVT
  • Internal Medicine Nurse Coordinator
Paula Olson, CVT, Penn Vet
  • Paula Olson, CVT
  • Endoscopy and Internal Medicine
Amanda Parylak, CVT, Penn Vet
  • Amanda Parylak, CVT
  • Veterinary Technician