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To all our four-footed friends! And their pet parents!

At Full Circle Veterinary Care we are interested in giving the best to your pets that we possibly can. We want to work with you towards that end. We hope you will come in and talk to us about your pets needs. Need an appointment? Call us at 970-587-5140

Proudly Serving our Colorado neighbors – Johnstown, Milliken, Loveland, Greeley, Evans, Windsor, Berthoud, Platteville & Surrounding Areas.

Our Services

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We would love to hear about how our care helped you and your pet. Please consider leaving a review on our facebook or google+ pages. We love helping your best pet friends. Thank you!
First visit, the staff are truly wonderful. Dr. Tribbey took good care of Mags. – Been back three times since our first visit. Still a fan of the staff and how well they take care of Mags!
First visit for my newly adopted pup and I. Treated with respect and with knowledgeable care.
Everybody that works here, is the best!!!! They treat you like family and you know they care about your fur babies! I have 5 (cats) and I know when I take my kids here. They get the best care!! Love everyone there!! Best vets, ever!!!!!!
Every single staff member I have met is wonderful. Their love of animals is evident and I love the overall atmosphere of the clinic. Compassionate care for pets, and also their parents when things must come “Full Circle”.
First vet visit for Scooby today! The staff is very friendly and took good care of my pup.
I was so blessed to be able to work with Dr. Mahoney, Dr. Tribbey and the Full Circle Veterinary staff. Their knowledge and compassion never ceases to amaze me. As a past client and employee I will miss being able to bring my animals to someone that I trust and know that they truly care about my furry friends. I just might have to make the 2 hour drive to get my animals the best care they’ve ever had. I especially appreciate the holistic approach that they take with animals.
I feel very fortunate to have my beloved pets taken care of by Dr Mahoney, Dr Tribbey and the rest of the staff at Full Circle. They have such great compassion and are so dedicated to providing the best care. Both doctors are more than just our “vet” they are truly respected professionals and people I consider as friends. From the bottom of my heart – thank you for all the love and care given to Bentley in his final days. And thank you for the ongoing care of Mercedes and her new companion Lincoln.

FCVC Quick TidBits

Why Pet Immune System Support

A Strong Defense is Their Best Offense A healthy immune system is critical to your pet's well-being. It works around the clock to protect the body from potential invaders. An immune system operating at less than full throttle can make your pet susceptible to any...

Adopt A Pet Search

  Introducing the ADOPT A PET Search widget on the FCVC website At FCVC we know that you can get pets from many places. We have added the Adopt-A-Pet Search widget right on our site! While we are talking mostly about cats this month, Adopt A is for dogs, cats,...

Eye of a Another Color

Sometimes you might see a cat with one blue eye and the other orange, copper, green or yellow. There is nothing wrong with the cute little kitty; the two different colored eyes are a genetic tweak. Cats with eyes of two colors can see just as well as "regular" cats....

Cats Eye Colors Unmasked

Cats can have an amazing range of eye colors. But why is that? What makes your cats' eye colors? Cat eye colors start with the iris The colored area around the pupil of the eye is called the iris. The iris has two layers, the stroma and the epithelium....

Fleas – Small Pests, Big Problem

FCVC Note: In our previous blog post Fleas on a Indoor Cat? we talked about how even indoor cats (and other pets in your house) are not immune to getting fleas. Now we talk about why fleas are so noxious to your pets (and you!). Like many things - it is often easier...

Fleas on a Indoor Cat?

  Many cat lovers think it’s impossible for their indoors-only kitty to get fleas — but it’s not. Many people think that because they have an indoor-only cat, fleas are an impossibility. They would be wrong. Although an outdoor cat is more likely than an indoor cat to...

Obesity in Cats is a Real Thing

Feeding for Health Love doesn't equal unlimited amounts of food. It's better to keep your cat lean and healthy. Here's how. Obesity is recognized as a serious health concern among Americans today, putting more and more of us at risk for chronic illnesses and earlier...

How Often Should You Feed Your Cat?

  The amount and frequency of meals depends on your cat's age, health and preference. Check the pet food aisle at your local supermarket, and you'll find dozens of varieties of food to entice your cat. Feed your cat too little or the wrong kind of food, and he won't...

6 Common Misconceptions About Feral Cats

Don't buy into the stereotypes—feral cats deserve respect and appreciation. It’s a familiar sight in most neighborhoods: the outdoor cat. Perhaps you encounter them skittering across the street, materializing on your deck when you’re grilling, or yowling in the night...

Choosing and Caring for Your New Cat

After reading our FCVC blog article on June is Adopt a (Shelter) Cat Month you may have decided a new cat is just the way to round out your family. Here are some more tips to consider when choosing and caring for your new cat: Before choosing a new cat, do your...

Why Cats Spray (& How to Stop It)

Most cat lovers are aware that un-neutered male cats will spray urine on walls, furniture, and elsewhere in a hormone-fueled effort to mark their territory. But many pet parents are surprised when males that are “fixed” will spray, or when female cats—spayed and...

Why is My Cat a Picky Eater?

Way, way back in 1968, according to their website, 9Lives® introduced the world to a big, orange tabby cat named Morris® – “the world’s most finicky cat.” I don’t imagine that it was too difficult to ‘sell’ Morris as a character. Ask anyone who has ever had a cat (and...

Off to College?

Tis the season for graduations at all levels. High school graduates may be going off to future studies at college. For those interested in pursuing veterinary degrees, we have compiled some scholarship resources that may help you on your way. You may be surprised that...

Barks, Purrs, Tweets and Neighs

CELEBRATE NATIONAL PET WEEK 2018 National Pet Week 2018, June 3-9, 2018, is sponsored by the Auxiliary to the AVMA to foster responsible pet ownership, recognize the human-animal bond, and increase public awareness of veterinary medicine. This year’s theme...

Adopting – How it Works

This morning we guided you through the process of using the Adopt A search feature to find a pet you will want to take home. If you missed it, here is a reprise to start off this article... 1. Use our website’s search to find pets for adoption!...

Adopt A Cat (or Dog)

We were thinking  - How can we highlight what Pet Appreciation Week and Adopt a (Shelter) Cat Month are all about? And then, of course, it came to us - there are lots of pets out there just waiting for homes. North America's Largest Non-Profit Pet Adoption...

Keep Bonded Pairs Happy by Keeping Them Together

Separating them can cause behavior issues and even illness. Cricket and Tucker came to Northeast Abyssinian and Somali Rescue (NEAR) as a set. The 7-year-old littermates were extremely bonded, and co-director Kristen Wookey wanted very much to keep them together. But...

Adopt a Cat Month

Get Ready: June Is Adopt a Shelter Cat Month Even if you can’t adopt a cat, you can celebrate this month with these 5 ideas for supporting cat adoption causes. With the onset of “kitten season,” it’s no surprise that June has been designated as Adopt a...

Dogs and Cats Are Amazing

8 Scientific Studies That Show Dogs and Cats Are Amazing We already know dogs and cats are incredible. But recently, scientific studies have provided evidence to back our beliefs. Almost all pet parents will tell you they feel their furry friends are...

How Cats Heal Us

People have long believed in the healing power of cats. Whether it’s lowering stress or powering the purr, we think there’s some truth to it. Jason was an imposing 18-pound tuxedo cat with a tail like one of those ostrich plumes that fashionable Victorian ladies...

Contact Us

Our Phone:
Office – 970-587-5140
Fax – 970-587-5907

Our Address:
7 S Rutherford Av
PO Box 850
Johnstown CO 80534


Mon - Fri 8 am to 5 pm
Sat 8 am to 12 pm
Sun Closed

Open during lunch!

Call Us! 587-5140

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FCVC Calendar

Our Location Map

VIP Wednesday’s – Save!

Special Clients deserve a Special Day for all of us to say “Thank You” for your business! Save on these services every Wednesday:

Office Visit


Technician Fee    


Questions? Ask us! Call today for your appointment -> 970-587-5140

Feline Friday’s – Save 10%!

Special Clients deserve a Special Day for all of us to say “Thank You” for your business! Save on these services every Friday:

Save 10% on Cat services for your feline.

 Questions? Ask us! Call today for your appointment -> 970-587-5140

Use the ADOPT A PET Search

To find your Perfect Pet

FCVC Affiliations

FCVC Partners with Black Dog Traders Coffee to Donate 5%

Not a pet treat, but a human treat!  We are carrying an exciting new product – Black Dog Coffee Traders coffee. The one pictured is our signature Full Circle Veterinary Blend. Other blends have pictures of various dog breeds. Black Dog Coffee Traders donates 5% of all profits to the American Kennel Club Canine Health Foundation for Cancer Research. Help support that great cause and treat yourself to some great coffee. $10 per bag right here at Full Circle.


Standard Process Changes Lives! At Standard Process, we’ve never been afraid to do things a little differently. Since our company’s inception in 1929, our innovative spirit and passion for changing lives have made us an industry leader. We understand the challenges faced by many patients, consumers, and health care professionals. We believe that nutrition and healthy lifestyles are the cornerstones of good health. Ask your veterinarian about the supplements that promote your pet’s best health! Click Here for more information on the pet supplements that Full Circle Veterinary Care recommends.

Colorado Veterinary Medical Association (CVMA)

Johnstown-Milliken Chamber of Commerce

Member Better Business Bureau

American Veterinary Medical Association (AVMA) & Weld County Veterinary Medical Association (WCVMA)

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