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Our doctors are licensed veterinarians in the state of Massachusetts and regularly attend continuing education courses and conferences to offer our patients the latest advancements and technology in veterinary medicine.

All Ashland Animal Hospital veterinarians are members of the American Veterinary Medical Association (AVMA), Massachusetts Veterinary Medical Association (MVMA) and  American Animal Hospital Association (AAHA).

David Schwarz, DVMDr. David Schwarz grew up in New York City and lives in Holliston, MA today. He received both an undergraduate degree and a veterinary degree from Cornell University, in 1973 and 1976 respectively. Prior to founding Ashland Animal Hospital in 1997, Dr. Schwarz practiced veterinary medicine in Rochester, NY. He is a past president of the Massachusetts Veterinary Medical Association (MVMA) and now serves as Veterinary Services Team leader for the State of Massachusetts Animal Response Team (SMART).

Dr. Schwarz loves veterinary medicine; it's his passion. In his free time, he enjoys gardening and community service. He also has six dogs and two cats that keep him busy.

Dr. Alexandra Klug Barrett received her undergraduate degree from Northeastern University and earned her DVM degree from Ross University. She grew up in New Jersey and now lives in the Boston area.

Previously, Dr. Barrett practiced in Woburn and Westwood. Her medical interests include surgery and exotics medicine. When she is not at work, Dr. Barrett enjoys swimming at the YMCA with her daughters and reading fiction. She also has a dog, Bruce, and a guinea pig, Rex.

Melissa Bisesi, DVMDr. Melissa Bisesi joined the Ashland Animal Hospital team in November 2015. She grew up in Hudson, MA and now resides in Marlborough. Dr. Bisesi received an undergraduate degree from Northeastern University in 2007 and a DVM degree from the Cummings School of Veterinary Medicine at Tufts University in 2013.

Previously, Dr. Bisesi interned at Tufts Veterinary Emergency Treatment and Specialties (VETS) in Walpole, where she received advanced training in diagnostic imaging and emergency medicine. Her medical interests include diagnostic imaging (abdominal ultrasound), nutrition, and formulating patient-specific weight management plans.

Outside of work, Dr. Bisesi enjoys spending time with her husband and son, reading, and cross-country skiing in the winter. She has a lab mix named Robin and three cats named Conan, Siren and Doodle.

dr laura rothong dvmDr. Laura Rothong grew up in New Jersey. She received an undergraduate degree from Dickinson College and earned a DVM degree from Cummings School of Veterinary Medicine at Tufts. Prior to joining the Ashland Animal Hospital team, Dr. Rothong spent a year practicing at a small animal general practice in Connecticut. She has a special interest in behavior.

In her spare time, Dr. Rothong enjoys reading, yoga, and exploring trails with her beagle, Brody.

Dr. Alyssa McDonagh, DVM, MPHDr. Alyssa McDonagh grew up in Monroe, Connecticut. She received an undergraduate degree from University of Connecticut and earned her DVM degree from the Tufts University, Cummings School of Veterinary Medicine.

When away from the hospital, Dr. McDonagh enjoys running, exploring new places, reading, and experimenting with different recipes.