Dr. Mariana Guzman Martinez is a dedicated veterinarian focused on helping pets live healthy lives, with a special love for dogs, especially chihuahuas. Her expertise lies in dental care, including extractions and flap surgeries.

Her passion for veterinary medicine began in high school, blending her love for animals and medicine. Originally from Mexico, she has three small dogs—Albee, Fabee, and Pach—and a cat named Marigati. Outside of work, she enjoys roller skating, swimming, and music. Dr. Guzman values a quiet lifestyle and looks forward to giving back through volunteer work.

Erin is our kind-hearted, experienced Practice Manager.  With her Veterinary Technologist Diploma from St. Lawrence College in 2003, and her more than 17 years of experience working with animals, clients, veterinarians and team members, Erin is the go-to leader in her Practice.  Erin seamlessly leads her team by example, meets new clients and pets, provides clinical experience and supports her team.  Outside of the clinic, Erin experiments with cooking, enjoys growing indoor and outdoor plants and enjoys music, movies, reading and her pets, Samson & Gordon.

Hailey grew up in a vet clinic in Newfoundland, where her mom worked for over 15 years. Now a Client Care Representative with a Veterinary Assistant certification, she loves meeting pets and finds dental procedures especially rewarding for their life-changing impact.

Her team feels like family—her work mom, grandma, aunt, and sister make every day fun and supportive. Always eager to learn, she has a special interest in diets and was honored with the James Dunlop Memorial Award for Compassion at St. Lawrence College.

At home, she’s got a full house with her Great Dane, Otis, her Beagle, Gunner, and two cats, Haven and Henry (all with middle names, of course). When she’s not at work, you’ll find her outdoors—swimming, fishing, playing sports, or relaxing by the fire with family and friends.

Tara Colling is a Registered Veterinary Technician on a mission to help furry patients at McEwen-Frontenac Animal Hospital feel better. She has a diploma in Veterinary Technology.

Tara loves her team like family through building relationships with clients and their pets. She finds joy in geriatric medicine. She is the proud mother of her cat, Fionn, who she adopted through Napanee Community Kitten Rescue.

When she’s not working, Tara enjoys using her veterinary skills to help animals in need by volunteering at a 100% volunteer and donation run animal hospital in Carriacou, Grenada.

Pierre grew up in Kingston, Ontario and has always had a love for animals. Pierre spent a lot of time in the outdoors as a child, enjoying the wildlife. He has owned many pets including dogs, tarantulas, cats and guinea pigs.  Pierre graduated from the Veterinary Technology Programme at the St. Lawrence College In 2017. Pierre is very excited to join part the McEwen-Frontenac  team as a Veterinary Assistant.