Welcome to Mad River Veterinary Service
Compassionate care in the Mad River Valley near Sugarbush and Mad River Glen

Call us at 802-496-7272
Welcoming new patients and walk-ins as time permits

mad-vet-kennel-mt-ellen-1.jpgIf you live in or visit Central Vermont and need a trusted veterinarian to care for your pets – look no further. Mad River Veterinarian Dr. Karen Anderson is licensed in NY and VT to provide care for a variety of pets and animals. Your pets’ health and well-being are very important to our whole team, and we take every possible measure to give your animals the care they deserve while understanding the complexity of an animal’s treatment as it impacts the physical, emotional, and financial aspects of the providers.

Mad River Veterinary Service is a full service animal care center and welcomes a variety of cases as well as animal patients in need of routine medical, surgical, and dental care. Veterinarian Dr. Karen Anderson has over 30 years of experience diagnosing, treating, and following up on serious conditions as well as offering regular pet wellness care. Beyond first rate pet care, we make our clinic comfortable and calm and the surrounding gardens and large fenced field provide a safe, relaxing place to walk with or without an animal pre or post exam.

We are happy to offer a number of resources that enable you to learn about how to take better care of your pets. Please feel free to browse our site, particularly the informational articles. The best veterinary care for animals is ongoing nutrition and problem prevention, so becoming knowledgeable about preventative pet care is essential to the ongoing success of your animal’s health. If you have any questions call (802) 496-7272 and we’ll get back to you as soon as possible. Our office is easily located on Route 17 in Fayston not far from the intersection of Rts 100 and 17 in Waitsfield – and you can find directions on our Contact Us page! We also welcome you to subscribe to our newsletter, which is created especially for the animals that live in and visit the Mad River Valley.

Mad River Veterinary Service … your “other family doctor”.


Mad River Veterinarian, Dr. Karen Anderson
Serving the towns of the Mad River Valley and beyond
(Waitsfield, Warren, Fayston Moretown, Duxbury, Granville, Roxbury, Starksboro)
637 Mill Brook Road (Rt 17)
Fayston, Vermont 05673

Meet Our Skilled Team

Learn Who We Are

  • Karen Anderson
    With over 30 years of experience in compassionate care for the creatures in our lives who we call a part of our family, Dr. K is an integral part of the fabric of the Mad River Valley and the families that reside here. In addition, those who call this special place a “home away from home” also utilize her services since her down to earth approach of both caring and educating is a unique blend that benefits both the animal and the owner.
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  • Stephanie Lavoie
    Veterinary Assistant
    Stephanie is a Vermont local with a BA in Studio Art, minor in Environmental Studies, from UVM. She has lived with animals her entire life and held several jobs working with horses, caring for them and teaching riding lessons. She spent the last four years working for a non-profit animal rescue in northern Vermont. Now, Stephanie is enjoying learning as much as possible in the veterinary field and helping care for the pets in her community. Steph loves coming home to her three cats, having bonfires, hiking and swimming in rivers with her three dogs.

  • Julie Longstreth
    Team Member

    Julie is attempting to see how much veterinary assisting she can get away with while simultaneously raising three children, a husband and 2 rescue newfs; a newf and a semi-newf in the Richmond, VT area.  She has degrees from Middlebury College (BA), and Northern Arizona University (MA) and the Animal Behavior College.  She has been moving salamanders to safety along the dirt roads of New England since she was knee high to a grasshopper, advocating for animals since the beginning. She has worked for the Vermont Amphibian and Reptile Atlas Project, the Navajo Nation Environmental Consulting Project, and the Utah State Anthropologist. Currently she has her own in home studio arts business, No Straight Lines, writes and illustrates articles for the Green Mountain Animal Defenders, and walks dogs for the Chittenden County Humane Society. She skiis to live and is happy to have a learning opportunity in the Mad River with Mad River Veterinary Service!

  • Sue Heim
    Kennel Care Provider & Office Care/Clean Team member
    Originally from Maine, Sue is quite the nurturing dog lover. She really enjoys interacting with all canines but is especially fond of shepherds and labs. When Sue isn't caring for our boarding clients she can be found pursuing her passions of sailing, gardening, skiing, and spending time with her grandchildren.
  • Nein-stein (Nein means NO) Anderson
    Welcome Waggin'
    I'm a ball of energy most of the time... but I can often be found curled up like a cat sleeping while other canines and felines visit my human.


Office Hours



8:00 AM-6:00 PM


8:00 AM-5:00 PM


8:00 AM-5:00 PM


8:00 AM-5:00 PM


8:00 AM-5:00 PM


9:00 AM-12:00 PM




  • "Dr. Anderson went above and beyond, more than any other vet I have visited, to help us and our cat. I am simply amazed and grateful for her kindness, thoughtfulness, and help!"
    Stacey M. // via Facebook

Featured Articles

  • What to Do If Your Pet is Stung

    Don't get us wrong, we love the bees! But we don't love when our pets get stung. Follow our tips to treat and prevent bee stings on your furry best friend. ...

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  • Tips for Traveling With Your Pet

    Do you dread hitting the road with your pet? These tips may make the trip more comfortable and enjoyable for you both. ...

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  • 6 Questions to Ask At Your Senior Pet's Next Check Up

    Want to keep your senior pet healthy and happy? Ask these six questions at your pet's next check up. ...

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  • Why the Controversy About Pet Vaccinations?

    As with anything, pet vaccinations can be too much of a good thing. Similar to parents who are learning more about vaccinations for children, veterinarians and pet owners alike are beginning to question some of the standard wisdom when it comes to protecting pets. There are certain fatal diseases against ...

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  • Pet Clothes: A Fashion Statement or a Necessity?

    There is nothing cuter than a pet in a colorful sweater, but do our furry friends really need to wear clothing? Although clothing is not a necessity for every pet, some animals benefit from a little extra protection during cold or damp days. Others enjoy wearing festive clothing during holidays or other ...

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  • Introducing a New Pet to Your Current Ones

    Pet Proofing Your Home Introducing your new pet to your current one is only a single part of the equation relating to taking a new pet home. You also have to make sure your new pet is comfortable in your home, which is a foreign environment to the animal. Like humans, animals can experience high levels ...

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  • Put Some Teeth Into Your Pet’s Dental Care

    According to the American Animal Hospital Association, nearly two-thirds of pets suffer from dental problems because their owners do not provide dental care for them. Imagine what would happen to your own teeth if they were never brushed or examined by a dentist. The same thing can happen with your pet’s ...

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  • Managing Pet Allergies in Kids

    Are you concerned that your child's allergies may mean that you will have to give up your pet? Although rehoming a pet may be necessary if allergies are severe, most children can live with pets if you are willing to make a few changes. The Problem About three in 10 people who have allergies are allergic ...

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  • Euthanasia: Saying Goodbye

    It's not easy to say goodbye to cherished pets, even those that have lived long, happy lives. Although you may hate the thought of life without your pet, euthanasia can be the kindest decision you can make when your friend is suffering. Making the Decision If your pet has been seriously injured in a ...

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  • Is a Wet Nose a Sign of a Healthy Pet?

    Have you ever heard that a wet nose is a sign that your pet is healthy? Although that's often the case, it's not always true. A moist nose can benefit your pet in several ways, but it doesn't necessarily guarantee good health. How Does a Wet Nose Help My Pet? Have you ever been woken at 5 a.m. by a cold, ...

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