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Dr. Terri Nord

Dr. Nord proudly hails from Minnesota, Land of 10,000 Lakes and home of the legendary Paul Bunyan & Babe the Blue Ox! Dr Nord played varsity softball and basketball at University of Minnesota Duluth, graduating Summa Cum Laude with a degree in Biology. After graduating with honors from the University of Minnesota College of Veterinary Medicine and completing an internship at Angell Memorial Animal Hospital,  Dr. Nord made MetroWest her home. She loves all aspects of small animal medicine, with special interest in small animal soft tissue surgery. 

Dr. Nord is passionate about helping animals in need within her own community and abroad. She is an Honorary Board Member of the MetroWest Humane Society and serves as the Veterinary Consultant for All Dog Rescue. Bi-annually, she travels to the Dominican Republic to work with Project Samana. Dr. Nord’s devotion to helping animals of the world make her a wonderful fit with the Acton & Millis Animal Hospital family!

Dr. Nord has ridden in the Pan Mass Challenge for 13 years, this event holds special significance to her as a two time cancer survivor. Dr Nord lives in Framingham with her family, which includes her partner, 6 dogs, 3 cats and a fish named Carita. She can be found biking & hiking with her partner and their dogs. Dr. Nord is also known for fixing and operating power equipment, ask her about beloved baby Ida – the orange Kubota tractor!

Dr. Kara Grosser


Kara Grosser earned her Doctor of Veterinary Medicine from Cornell University in 2001, then moved to the Boston area to complete a rotating internship in small animal medicine and surgery at Angell Animal Medical Center in 2002.

She focused on emergency medicine and surgery for several years before deciding to focus on day practice. Her interests include preventative care and internal medicine, especially of geriatric patients.

She enjoys spending time with her family, which includes a Siamese cat named Simon, engaging in fair weather outdoor activities, and reading.

Dr. Betty Johnston


Betty Johnston, V.M.D., joined the staff of Acton Animal Hospital in 2005. Dr. Johnston has practiced veterinary medicine for over 30 years, 15 years of which were devoted to the mixed practice of treating large and small animals, and the last 16 years working with small animals exclusively.

She holds a B.S. degree and earned her V.M.D. degree from the University of Pennsylvania. She is a member of the MVMA, the AVMA, and the AAHA.

Dr. Johnston takes a special interest in dog training and participates in obedience, field, rally and agility competitions with her two dogs, Cooper and Gable. The part of veterinary medicine that Dr. Johnston enjoys most is working with owners to get their puppies off to a healthy, happy start with proper medical care and training.

Dr. Daphne Flessas

Veterinarian, Owner

Daphne Flessas, D.V.M., owner of Acton Animal Hospital, is a Massachusetts native who received her Doctorate of Veterinary Medicine from Tufts University School of Veterinary Medicine in 1996. She has practiced in New England for the past 19 years, most recently in Bellingham.

Her veterinary interests include internal medicine, soft tissue surgery, dentistry and dermatology. Dr. Flessas has a passion for education, works with students as much as she can, and is committed to life-long learning in the veterinary field.

She and her husband live in Grafton, MA, and have three daughters. The family shares their home with a French Bulldog named Monkey and a tiny Chihuahua named Pickles, to the utter dismay of cats Ruby, Max, and Trouble.