Our Practice

We are a full-service animal hospital providing comprehensive pet healthcare services in Carrollton, TX. Our veterinarians offer a wide variety of medical, surgical, and dental services. Our hospital has advanced equipment and technologies, including comprehensive in-house testing for accurate diagnosis, digital x-ray, surgical suites, dental suites, and a pharmacy. We are committed to providing quality care at every stage of your pet's life. From routine preventive care to early detection and treatment of a wide range of conditions and diseases, we have the expertise to provide the highest standard of care for your pet. We also serve clients in Coppell, Farmers Branch, Plano, The Colony, Lewisville, and Addison.

  • John Calhoun, DVM


    A 1990 graduate of Texas A&M University

    Dr. Calhoun has been with North Carrollton Veterinary Hospital since 1991, and is the current owner. His special interests include endocrinology and cardiology. In his spare time he enjoys Martial Arts. He is a member of the Dallas County Veterinary Medical Association (DCVMA), Texas Veterinary Medical Association, Texas Association of Veterinary Practitioners, and is presently serving on the board of directors for the DCVMA and the North Texas Emergency Pet Clinic.

  • Gregory Whitaker, DVM


    Graduate of Texas A&M University

    Dr. Whitaker joined North Carrollton Veterinary Hospital in June 2018. His special interests include opthalmology, preventative medicine, surgery, and cardiology. He loves Veterinary medicine because it strengthens the relationship between people and their beloved pets. When he is not in the clinic, he enjoys playing classical guitar, working out, cooking, and watching Aggie football.

  • Courtney Cox, DVM


    Originally from McKinney, TX, Dr. Courtney Cox received her undergraduate degree and doctorate of veterinary medicine from Oklahoma State University. Her interests include preventative care, ophthalmology, and anything cats (don’t worry, she loves dogs too?).

    When she’s not at work, she loves being outside in the sun hanging by the pool or running, shopping, and reading. Dr. Cox is the proud mom of 3 cats- Bear, Albi, and Benny.

  • Ashley Beitel, DVM


    Dr. Ashley Beitel is originally from McKinney, Tx. She received her
    undergraduate degree from Texas Tech University and her doctorate of
    veterinary medicine from Oklahoma State University. Her interests include
    ophthalmology, internal medicine, and exotic pets. Outside of the clinic,
    she enjoys being outdoors, cooking and baking, traveling and taking care of
    her saltwater aquariums. She has 2 fur babies, a chihuahua mix named Sophie
    and a cat named Calvin.

  • Julie

    Hospital Manager

  • Erin

    Technician Manager

  • Elyse

    Customer Service Manager

  • Jade


    Congratulations to Jade! Our 2021 Employee Of The Year!

  • Vicki

    Kennel Manager

  • Deanna


  • Amanda, LVT


    Congratulations to Amanda! Our 2022 Employee Of The Year!

  • Mariah


  • Courtnie


  • Jacob