Veterinary Team

Meet Our Veterinary Team

Meet the Veterinarians & Team of Mill Brook Animal Clinic! We’re pleased to provide exceptional vet care for your pets!

dog wearing a cap

Get to know our veterinary team!

We are solely dedicated to your pet’s care! We look forward to getting to know you, and we hope you’ll take the time to scroll down and get to know us.

Dr. Jan Jeffers


Dr. Jeffers was born and raised in the central coast area of California. She attended UCLA before moving to Massachusetts. At UMASS Amherst, Dr. Jeffers received an M.S. degree in nutrition, then went on to Tufts Veterinary School, graduating in 1989. Dr. Jeffers has worked in general medicine as well as in behavior medicine. She joined Mill Brook in 2013, continuing her interest in behavior medicine, especially in starting puppies off right, helping owners problem-solve, and improving the pet-family relationship. Dr. Jeffers and her family have lived in Arlington for 25 years. In addition to veterinary medicine, Dr. Jeffers enjoys being outdoors (walking, biking, gardening) and volunteers in food rescue and at a homeless shelter.

Dr. Kevin Fallon (Retired)


Born and raised in Arlington, Dr. Fallon earned his bachelor’s degree from St. Michael’s College in Vermont and completed graduate work at UMASS School of Agriculture. He then earned his Doctor of Veterinary Medicine from the University of Pisa in Italy. Upon graduation, Dr. Fallon returned to the US to practice both equine and companion animal medicine. This took him as far south as Florida and Georgia and as far abroad as Thailand Royal Bangkok Sports Club-Polo Club. In 1994, Dr. Fallon returned to Arlington to start Mill Brook Animal Clinic. Since founding the clinic, Dr. Fallon has continued to keep up to date with the latest advances in veterinary medicine and has expanded his focus to include more holistic practices, completing the International Veterinary Acupuncture Society’s Program in 1999 and a course in veterinary orthopedic manipulation in 2000. Dr. Fallon’s interests include dentistry, general surgery, and Italian cuisine.

Dr. Kristian Sorbo


Dr. Sorbo joined Mill Brook in 2022 as the medical director. He has over a decade of experience in small animal medicine and surgery. Hi passion lies in dentistry, sonography, general surgery, and emergency and critical care.

Native to Norway, Dr. Sorbo’s interest in veterinary work started with his annual summer job milking dairy cows. He later moved to Scotland to obtain his veterinary degree, followed by a decade of veterinary work in the UK and the US.

When not at work, Dr. Sorbo enjoys his time off with his wife, young son, and their cat, Sophie Spitfire. When time allows, hiking, skiing, and biking are high priorities on their free time agenda.

Dr. Lauren Paduch

Dr. Paduch joined the Mill Brook team in 2023. Her clinical interests are diagnostic imaging and preventative medicine. Dr. Paduch is a fear-free certified practitioner and aims to have all patients experience low-stress veterinary care.

Originally from Massachusetts, Dr. Paduch received a B.S. in Biology from Bridgewater State University before attending Tufts Cummings School of Veterinary Medicine. During her time at Tufts, she researched disease transmission between urban rats and humans as well as the intersection of veterinary medicine with gender studies.

Outside of work, Dr. Paduch enjoys spending time with her partner, daughter, dog, and friends. She loves music and has played the cello for over 20 years. Dr. Paduch is happiest outdoors, whether she is just sitting and enjoying a coffee or going paddleboarding.