Tri-County Veterinary Services
Mixed (Small & Large) Animal Veterinary Services Tri-County Vet is a family owned and operated hospital.
We have two doctors, Dr. Jeff Garner and Dr. Elizabeth Zwillenberg. Tri-County is open M-Thur 8am to 3pm, Fri. 8am to 2 pm, and one Saturday of each month from 8am to 2pm. For Small Animal Emergencies please see the following clinics information:
Emergency Animal Hospital of Collin County ~ Phone: (214) 547-9900
Grayson County Animal Emergency Clinic ~ 903-337-0898
Northeast Texas Emergency Vet Services ~ 903-454-9488
05/23/2026
Heartworm disease can cause irreversible damage, but the good news is that TCVS is now offering ProHeart12!!
1 injection = 12 months of heartworm prevention coverage
03/01/2026
đž TCVS is hiring! If youâve got a passion for animals and love being part of a hard-working, fun veterinary team, weâd love to hear from you! Check out our open position and apply here đ
LVT or Experienced Technician: https://www.indeed.com/job/veterinary-technician-98087f3a9775451f
06/30/2025
One of the most treasured traditions of Fourth of July is the fireworks. However, the sounds can frighten pets, specifically those with fireworks anxiety. Here are a few ways to ensure your holiday goes smoothly for both you and your furry friend.
Tips for Pets with Fireworks Anxiety Pets who experience anxiety during fireworks not only suffer from the mental effects of anxiety but also are at risk of destructive behavior.
04/29/2025
April was National Heartworm Awareness Month, a perfect time to discuss heartworm prevention with your veterinarian. Itâs especially important to be proactive about protecting pets in Texas, where the vehicle for heartworm diseaseâmosquitoesâruns rampant. Preventing heartworms is far easier, safer and more affordable than treating the disease, so partner with your veterinarian to protect your pet now.
Pet Heartworm Facts, Treatment, and Prevention in Dogs & Cats Heartworms disease can affect dogs and cats, among other pets. Know more about this deadly disease and how to prevent your beloved pet from catching it.
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Opening Hours
| Monday | 8am - 3pm |
| Tuesday | 8am - 3pm |
| Wednesday | 8am - 3pm |
| Thursday | 8am - 3pm |
| Friday | 8am - 2pm |