Operating Hours:
Mon, Tue, Thu, Fri:
Wed: 7:30AM-6:30PM,
Sat: 7:30AM-2:00PM
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Emergency Hours:
Mon, Tue, Thu, Fri:
Wed: 6:30PM-7:45PM
Sat: 2:00PM-7:15PM
Sun: 8:00AM-7:15PM
Open 7 days a week for
Routine & Emergency Care


animal clinic

Dr. John P. McGruder, DVM

Owner, Doctor

Dr. John McGruder obtained his degree of Doctor of Veterinary Medicine at the University of Missouri in 1973. He is known for his clinical skills and experience as well as his quiet, gentle manner with all of the animals in his care. Dr. McGruder founded Crestview in 1984.

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Dr. David Sewell, DVM

Owner, Doctor

Dr. David Sewell is a native of Marietta and obtained his veterinary degree from Ross University School of Veterinary Medicine. Dr. Sewell completed an additional year of training at Louisiana School of Veterinary Medicine. He co-owns Crestview Animal Hospital with Dr. McGruder and has special interests in internal medicine, oncology, dermatology and surgery. He has been with our practice at Crestview since June 2008.

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Dr. Brennen Haezebrouck, DVM

Associate Doctor

Dr. Brennen Haezebrouck is originally from Marietta, Georgia and obtained his veterinary degree from St. George's University. He completed his clinical training at Auburn University in June of 2011. Dr. Haezebrouck's veterinary interests include surgery, internal medicine, and sports medicine.

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Dr. Trevi Yu, DVM

Associate Doctor

Dr. Yu graduated in 2011 from Tuskegee University School of Veterinary Medicine and then worked at a rigorous referral practice for a year. Dr. Yu has spent the last three years practicing small animal medicine & performing surgeries. Dr Yu has a cat, enjoys indoor rock climbing, & taking care of your pets.

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Dr. Staci S. Jules, DVM

Associate Doctor

Dr. Jules is native of New Orleans and graduated from the Louisiana State School of Veterinary Medicine in 2017. She now resides in Roswell with her fiance, two cats, and one dog. Her medical interests include clinical pathology, dentistry, and dermatology. In her off time she enjoys traveling and spending time outdoors.