Board Certification
Diplomate, American College of Veterinary Internal Medicine
Education & Postgraduate Training
BS in Animal Science – Cornell University, NY
VMD – University of Pennsylvania School of Veterinary Medicine, PA
Rotating Internship, Small Animal Medicine and Surgery – Oradell Animal Hospital
Residency Training, Small Animal Internal Medicine – Animal Medical Center, NY
Joined OAH in 1999
Professional Interests: Endocrine disorders, Immune-mediated diseases, Gastroenterology
Professional Affiliations
ACVIM, AVMA
From Dr. Zerrenner: “I enjoy scoping out foreign bodies. They are very rewarding.”