Amherst Animal Hospital

Modern Medicine. Traditional values.

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Our Veterinarians

Amy H. Hollengreen, VMD

Dr. Hollengreen was raised in northern Virginia and began working with animals when she was a young girl. Her parents raised champion hounds, including Rhodesian Ridgebacks, Harriers, Black and Tan Coonhounds, and English Foxhounds. Their kennel, Qa'Taba Kennel, was moved to southern Pennsylvania in the mid-1980s and grew to house over 100 dogs.

Dr. Hollengreen graduated from Boston University with a BA in Biology. She received her veterinary degree, Veterinariae Medicinae Doctoris (VMD), from the University of Pennsylvania in 1993. Upon graduation, she moved to Nashua, New Hampshire, and began working as an associate veterinarian at Amherst Animal Hospital. Dr. Hollengreen purchased the Amherst Animal Hospital in 2000 and became the sole owner in 2006.

As a general practitioner, Dr. Hollengreen sees outpatient appointments, manages hospitalized pets, and provides surgical and dental services. She performs a wide range of surgeries including routine spays and neuters on dogs, cats, and small mammal exotics, abdominal surgery, ophthalmic and cosmetic surgeries, and oncologic surgeries. Her medical interests include management of chronic renal failure, hyperthyroidism, and other endocrine diseases, pediatric medicine and infectious and parasitic diseases. She also provides comprehensive medical and surgical care for cats within the Kitty Angels rescue organization.

Dr. Hollengreen and her husband, Christopher Knoell, Ph.D., moved to Milford in 1995. They have two daughters and they share their home with three cats, Bingo, Willa, and Rosie.

Donna I. Hotz, DVM

Dr. Hotz was raised on the Island of Martha's Vineyard. She graduated from the University of Massachusetts, Amherst, with a Bachelor of Arts and Sciences in Zoology. After college, Dr. Hotz spent a few years in research before continuing her education at the University of Wisconsin, School of Veterinary Medicine. She earned her Doctorate of Veterinary Medicine in 1994. She entered private practice in Wisconsin and also spent a few months in Indonesia where she was involved in primate research. Subsequently, Dr. Hotz returned to New England and worked in private and emergency hospitals. In 2002, Dr. Hotz joined the Amherst Animal Hospital as a small animal general practitioner.

Dr. Hotz sees out-patient appointments, diagnoses and treats hospitalized patients, and performs general and dental surgery. Her medical interests include internal medicine, soft tissue surgery, and ophthalmology. She routinely provides complete medical and surgical care to shelter cats in the Kitty Angels organization.

Dr. Hotz lives with her beautiful daughter, Sarah. They share their home with Zoey, a terrier mix, Penny, a Dachshund, Gus, formerly a stray cat, and Ben, a rescue from Kitty Angels.

Sara Beaudry, DVM

Dr. Beaudry grew up in St. Johnsbury, Vermont. Her love for animals started at a young age and she knew she wanted to be a veterinarian when she started working at local animal hospitals while in high school. Dr. Beaudry continued to pursue her passion for animals in college. She graduated from Cornell University in 2004 with a B.S. in Animal Science. She then received her Doctor of Veterinary Medicine from Tufts University in 2009. Upon graduation, Dr. Beaudry completed a one-year rotating internship in small animal medicine and surgery at a specialty and emergency hospital in Kansas City. Dr. Beaudry's medical interests include preventative medicine, dentistry, internal medicine, emergency medicine, and surgery.

In her spare time, Dr. Beaudry enjoys skiing, hiking, running, and mountain biking, as well as spending time with her family and friends. Dr. Beaudry lives in Merrimack, NH, with her husband, Justin, and their two children.

Marissa Courtemarche, DVM