Veterinarians

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John Tarabula, D.V.M.

Dr. John Tarabula is the owner of the Animal Medical & Surgical Center and Creekside Animal Hospital in Cumming. He attended the University of Georgia where he received his Doctorate of Veterinary Medicine.

Dr. John knew he wanted to be a veterinarian at a young age and started his career as a kennel attendant in middle school. Now, these years later, Dr. John knows he is blessed to practice in a community where he has developed lasting relationships with his patients and their families. Although he enjoys all aspects of veterinary medicine his clinical interests include dermatology, dentistry, exotics and surgery.

He is married to his high school sweetheart, Cindy, and has 3 grown children who have given him 4 grandchildren who know him as Papa. In addition to playing with the grandchildren, he enjoys deep sea fishing, hiking and riding his tractor.


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Angela Duprel, D.V.M.

Dr. Angela Duprel has been a part of the Animal Medical and Surgical Center family since 2006.

She completed her undergraduate at Clemson University before going on to receive her Doctorate of Veterinary Medicine from the University of Georgia. She is affiliated with the AVMA and GVMA and has completed continuing education courses in ultrasound, surgery, internal medicine and dentistry.

She enjoys meeting the needs of people and helping pets through their illnesses or issues and getting them back to health. One of her most favorite things about being a veterinarian is growing new friendships and relationships with people and caring for their beloved pets. She understands how precious pets are to their families and enjoys spending time listening to her clients and caring for her patients.

Her interests in veterinary medicine started at an early age and she loves the variety of patients that are seen here at Animal Medical and Surgical Center. She understands and shares the love people have for all of their different pets.

When she is not caring for animals, she enjoys CrossFit competitions, snow skiing, horseback riding, diving and spending time with her husband and daughter. She shares her home with her Chihuahua named Roscoe, her pit bull rescue dog named Jada, her cat Nicholas that was rescued and raised by her from one day old, and finally her newest kitten that was rescued from near her gym named Skylar.


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Holly Marrinson, D.V.M.

Dr. Holly joined the Animal Medical and Surgical Center family in 2015.

She graduated summa cum laude from Brevard College in 2002 with a B.A. in Ecology. Dr. Holly received her doctorate in veterinary medicine from the University of Georgia in 2006 and then went on to complete a rotating small animal internal medicine and surgery internship at Georgia Veterinary Specialists in 2007.

Her special interests include surgery, oncology, ophthalmology, and ultrasonography. As a veterinarian, the health of her patients is of utmost importance and she will go the extra mile to ensure exceptional care is provided for both her patients and their owners.

Dr. Holly lives locally with her husband, 4 beautiful children, two sweet pups, a loving kitty, and her backyard hens. When she is not caring for her patients, she enjoys cooking, gardening, and attending her children's sporting events.


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Stacey Trisick, D.V.M.

Dr. Stacey Trisick received her Doctorate of Veterinary Medicine in 1997 from Oklahoma State University (Go Cowboys!). She practiced in NW Indiana for over 10 years, before relocating to Georgia to be closer to family. She joined the AMSC family in May of 2016 and has professional interests including small animal internal medicine, surgery, holistic care, and preventative medicine.

Dr. Stacey and her husband Michael have 2 children, they also share their home with Jett, a crazy and fun-loving Labrador Retriever and Finn, a sweet and fluffy Havanese . In her spare time, she enjoys watching movies with her family, trying new recipes and restaurants, and exploring their new city of Atlanta.


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Sam Rivera, D.V.M., M.S., ABVP-Avian

Dr. Sam Rivera, a boarded avian and exotic specialist, who has been a veterinarian with the Atlanta Zoo since 1999 has joined our staff. Dr. Sam has a Bachelor’s degree in Microbiology, a Master’s degree in Veterinary Pathology and a Doctorate of Veterinary Medicine from Kansas State University.




"SO pleased with the professionalism and kindness of all of the staff, from front desk all the way up to the vet herself. They are all incredible and so caring with the animals. As I am a first time pet owner, I had lots of "stupid" questions, and they answered every single one without making me feel stupid, and by assuring me that there are no "stupid" questions when it comes to caring for your fur baby. 5 stars over and over again! Thank you for all that you ALL do to help us care for our fur babies." - Macy Markum