Faculty / Staff

Photo: Betsy Vaughan, DVM – Chief of Service

Betsy Vaughan, DVM, DACVSMR - Chief of Service

Dr. Betsy Vaughan earned her veterinary degree from Colorado State University in 2002. She then completed a two-year internship/residency in large animal ultrasound at UC Davis. Dr. Vaughan has been a member of the faculty at UC Davis since 2005, and currently serves as chief of the Large Animal Ultrasound Service. She is a diplomate of the American College of Veterinary Sports Medicine and Rehabilitation. Dr. Vaughan’s research interests include equine abdominal ultrasound, equine musculoskeletal ultrasound, and ruminant abdominal ultrasound.

Photo: Mary Beth Whitcomb, DVM, MBA

Mary Beth Whitcomb, DVM, MBA, ECDVI (LA-Associate)

Dr. Mary Beth Whitcomb earned her veterinary degree from UC Davis in 1996. Following graduation, she completed a one-year internship with Las Colinas Veterinary Clinic in Texas and a one-year fellowship in large animal ultrasound and & cardiology at the University of Pennsylvania’s New Bolton Center. She returned to UC Davis in 1999, and has been on the School of Veterinary Medicine’s faculty ever since. Dr. Whitcomb completed an MBA at the UC Davis Graduate School of Management in 2014. She is considered one of the nation’s leading authorities on large animal ultrasound, and lectures on the topic throughout the world.


Photo: Amanda Northam – Technician

Amanda Northam - Technician

Amanda Northam joined the Large Animal Ultrasound Service as a technician in October 2014. She is a native Californian, and graduated from UC Davis with a Bachelor’s Degree in Animal Science in 2011. She is the proud owner of three Quarter Horses, including a new 3-year-old prospect.