Welcome to

Mertens Mammals Equine Veterinary Medicine

Your Equine Veterinarian from Boring, OR
Call us at 503-663-6400

Equine Emergency? Read no further and call us right away!

i2920887.jpgMertens Mammals Equine Veterinary Medicine is galloping into our second decade of providing veterinary services to horses on the western slopes of Mt. Hood and beyond. 

We believe the best partnerships exist when both horses and their humans are understood by their primary care provider.  In an age when veterinary advances can deliver the world to your horse, you need a guide to help you pick and choose which parts of that world are most useful to your horse-human team.

Are you heading to the back-country, the beach, or the show ring?  Or are you staying down on the farm?  Do you care for one horse or one herd?  Whatever your situation, we'll provide advice and direction which make sense for you.  We'll help you on-site, wherever your horse happens to be.

We have a number of resources here for you to learn about how to take better care of your horse. Browse around and look at our articles and services.  If you want to ask a question call 503-663-6400 or email us and we'll promptly get back to you.  You can also subscribe to our newsletter which is created especially for horse owners. 

At the end of the day, we know this:  Your horse can fully enhance your life when you are doing the best you can to enhance theirs.  We love the opportunity to work constructively in these relationships.

Dr. Katharine Mertens
Mobile Equine Veterinarian | Mertens Mammals Equine Veterinary Medicine | 503-663-6400

PO Box 324
Boring, OR 97009

New patients receive 50% OFF first farm call.*

Sign-up using the form or call us at 503-663-6400 to take advantage of this exclusive offer. *Discount applies to Trip Fee Not to exceed $30.


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Office Hours

Our Regular Schedule


8:00 am-5:00 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-2:00 pm




Read What Our Clients Say

  • "She has always been there for us. She is forever in my thoughts as the best vet. She saved our hours old filly from certain death. She knew exactly what to do in an instant after just seconds in seeing her. We are forever in your debt...thank you!"
    Barbara T.
  • "Thank you Dr Mertens for such a thoughtful and careful job with our sweet Daisy the Donkey this morning! She is well on her way to health again after that abscess!"
    Suzi R.