Welcome to Crabapple Knoll Veterinary Clinic


The Veterinarians and staff of Crabapple Knoll Veterinary Clinic are committed to you and your pets. Located at 12604 Crabapple Rd. in Alpharetta, Georgia, 770-475-8272, Crabapple Knoll Veterinary Clinic was founded in 1987 and excels in the science of Veterinary medicine.

Crabapple Knoll Veterinary Clinic is a full-service animal hospital whose mission is to provide the highest standard of veterinary care. We provide compassionate, professional veterinary services for pets in Alpharetta and Roswell, and surrounding communities including Norcross, Woodstock, Canton, Cumming, and Marietta. We offer the community emergency veterinary services as well as medical, surgical, and dental veterinary care. With an in-house pharmacy, laboratory, cold laser therapy and digital radiology services we offer complete health and medical care for your pets. We also offer boarding and grooming services.


Our goal is to provide the very best in Veterinary care to our clients and their pets so that, together, we can enhance the lives of the animals that depend on us for their well-being. We will achieve this goal by putting the patient first and providing the care authorized by the client within the financial constraints given to us by the client. We should always strive to exceed the client's expectations rather than simply to meet them.

Your Pets . . Our Family!770-475-8272 Open 7 days a week

Open for appointments and emergencies during normal business hours:

Weekdays 6:30am-7pm ~ Saturday-Sunday 8:00am-4:00pm

Looking for more information about our vets? Visit the Meet Our Team tab

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Call today to make your reservations for Holiday Boarding.

We have lovable dogs and cats available for adoptions. You can check out the current pets for adoption at:

Meet Our Staff

  • Dr.
    Joe Lee Gaston
    Dr. Joe Lee Gaston owns both Crabapple Knoll Vet Clinic and Veterinary Medical Center. He is a native Georgian and attended Georgia Tech on a football scholarship graduating with a B.S. in General Management. On his way to becoming a Veterinarian he taught English and coached football, and served as a Behavioral Management Consultant.
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  • Dr.
    Melissa Harford
    Dr. Melissa Harford graduated from the University of Georgia College of Veterinary Medicine in 2005. She received her Bachelor's of Science in Biology at UGA as well. Her special interests in veterinary medicine include Internal Medicine and Surgery.
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  • Dr.
    Ryan Gaston

    Dr. Ryan Gaston went to Clemson University for his undergraduate studies. He earned his doctorate in veterinary medicine from Ross University located on the island of St. Kitts (St. Christopher), completing his clinical rotations at Oklahoma State University. 

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  • Dr.
    Jennifer Herrington
    Dr. Jennifer Herrington graduated from Mississippi State University with a BS in Biochemistry and Molecular Biology in 1997. She then attended and went on to graduate Mississippi States College of Veterinary Medicine in 2001. Afterwards she headed to Boston where she completed an Internship in Small Animal Medicine and Surgery at Angell Memorial in 2002.
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  • Dr.
    Becky Falgoust

    Dr. Falgoust attended Auburn University for her undergraduate studies in animal sciences, and continued on to graduate from Auburn's College of Veterinary Medicine in 2021. Her special interests in veterinary medicine include neurology and emergency medicine. Outside of work, she enjoys traveling with friends and family, going to concerts, and spending time with her dogs, Benga and Max, and her cat, Tempo.

  • Dr.
    Benjamin Williamson

    Dr. Benjamin Williamson grew up in Cumming and graduated from Berry College with a bachelor's in Animal Science in 2017. He graduated from Lincoln Memorial University College of Veterinary Medicine in 2021. In his spare time, he enjoys spending time with his two dogs, Drake and Astra, playing video games, and working on projects.

  • Dr.
    Heather Duncan

    Dr. Heather Duncan graduated with the highest honors from Georgia Tech in 1996 with a degree in Applied Biology. She continued on to graduate Summa Cum Laude from Auburn University in 2000 with her Doctorate Degree in Veterinary Medicine. Her special interests in veterinary medicine include dermatology and internal medicine. She lives with her husband, two daughters, two cats and two dogs. Outside of work, she is an active volunteer with Adopt a Golden Atlanta. She also enjoys running, cycling and swimming and has completed several marathons and Ironman events. Other hobbies include traveling with her family and reading.


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Crabapple Knoll Veterinary Clinic


6:30 am-7:00 pm


6:30 am-7:00 pm


6:30 am-7:00 pm


6:30 am-7:00 pm


6:30 am-7:00 pm


8:00 am-4:00 pm


8:00 am-4:00 pm