Our Doctors
Our Staff





Our Doctors

Dr. Brenda Taddeo
Veterinarian
Dr. Taddeo's Bio
Dr. Taddeo is the owner of Sully Animal Hospital. She comes from northern Michigan, and because of the frigid winters, she decided to go south to complete her undergraduate degree and found herself at High Point University. She attended Ross University School of Veterinary Medicine and completed her clinicals at Purdue University College of Veterinary Medicine.
After graduating, she moved to northern Virginia with her husband, who is native to the area. Dr. Taddeo has practiced with the Northern Virginia Veterinary Associates and primarily worked at Chantilly and Centreville Square Animal Hospitals. She also practiced at Prince William Emergency Veterinary Clinic in Manassas, where she was able to gain critical patient care experience. Dr. Taddeo enjoys surgeries and has one of the best recovery rates in the D.C. metro area.
Dr. Taddeo lives in Fairfax, Virginia., with her husband and three girls. They have two cats named Skitters and Kitt.
Dr. Taddeo believes that treatment does not stop with the diagnosis and a medical prescription. She feels that high-quality medicine and TLC are essential aspects of patient care. Dr. Taddeo prides herself on treating all of her patients as if they were her own.

Dr. Tibor Lazar
Dr. Lazar's Bio
Dr. Lazar is a Diplomate of the American College of Veterinary Surgeons.
He is one of a small number of board-certified veterinary surgeons throughout the world. Dr. Lazar earned this coveted status from the American College of Veterinary Surgeons in 2003, following an intensive three-year surgical residency and a rigorous board certification exam.
Dr. Lazar grew up in Fairfax County, graduated from Robinson High School in 1987, and received his Bachelor of Arts degree in biology at the University of Virginia in 1991. He began his veterinary training at the Virginia-Maryland Regional College of Veterinary Medicine and graduated with a Doctor of Veterinary Medicine degree in 1996. In 1997, he completed a one-year rotating internship in small animal medicine and surgery at the Animal Medical Center in New York City.
Following a year of private practice in Manhattan, Dr. Lazar moved to Maitland, Florida, for a one-year small animal surgery internship at Affiliated Veterinary Specialists. He then remained at Affiliated Veterinary Specialists for a three-year residency in small animal surgery. Upon the completion of his residency in 2002, Dr. Lazar returned to northern Virginia. In 2003, he earned board certification from the American College of Veterinary Surgeons. He has spent the past ten years focused on small animal specialty surgery in northern Virginia.
Dr. Lazar lives in Reston, Virginia, with his wife, their two sons, and many pets, including dogs, cats, birds, snakes, and fish.

Dr. Christine Caro
Veterinarian
Dr. Caro's Bio
Dr. Caro is a native of northern Virginia and happy to be back and practicing in the area. She attended New York University for her undergraduate degree and ultimately ended up at the University of Pennsylvania for veterinary school. After graduation, Dr. Caro completed a one-year rotating internship at a local specialty hospital.
She currently practices primarily emergency medicine in the area and does occasional relief in general practice. When Dr. Caro is not working, she enjoys running, hiking, cycling, and spending time with family, including her dog, Cooper (a Boston Terrier), and her cat, Ripken.

Dr. Sarah Dowling
Traveling Ultrasonographer
Dr. Dowling's Bio
Dr. Dowling is excited to offer high-quality and convenient internal medicine services to family veterinarians, owners, and patients in the NoVA area. She enjoys implementing a team approach with owners and family veterinarians to ensure seamless care for her patients.
In her free time, Sarah enjoys spending time outdoors with her boyfriend, cooking, kayaking, and making pottery. She has 2 dogs (Dexter and Corbin), her cat (Delilah), and a very opinionated parrot (Sammy). Sarah was recently adopted by an amazing rabbit. (Bun Bun)
Our Staff

Christina
Christina's Bio

Shannon
Licensed Veterinary Technician
Shannon's Bio
Shannon is a Licensed Veterinary Technician that has been a part of Sully Animal Hospital since September 2020. She is originally from upstate New York and earned her bachelor’s degree in environmental biology (wildlife) before starting her veterinary medicine career in 2000.
From general practice and exotics to hospital management and specialty medicine, Shannon has experience with it all. Her passion is in senior wellness, helping pets live their best lives in their golden years, as well as business development. In her free time, you can find Shannon hiking the local trails with her husband and German Shorthaired Pointer, Bella.

Dezirae
Technician
Dezirae's Bio
Dezirae is a dedicated veterinary nurse who has been working with animals for more than 10 years. Her interest in veterinary medicine began at age 14 when she started cleaning kennels at a veterinary clinic. Dezirae is currently pursuing her dream of becoming a Licensed Veterinary Technician in addition to working full-time as a Veterinary Nurse here at Sully Animal Hospital. It is her passion to help pets feel better- whether that is through ensuring they have a great first visit, building their confidence at the clinic so they aren’t stressed, or helping the doctors provide treatment. Dezirae shares her life with her husband, son, and their small zoo of pets which include dogs, cats, a rabbit, and a family of chickens. She enjoys spending her free time with her family and playing soccer.
Dezirae is also Fear Free Certified.

Gabby R.
Gabby's Bio

Lina V.
Veterinary Nurse
Lina's Bio
Lina grew up in the Chantilly area and has always loved spending time with animals. As a teen, she dog sat, walked, and then worked at a doggie daycare before switching to vet medicine. Lina couldn’t imagine not spending every moment with animals, and she feels privileged to be a part of Sully Animal Hospital team that treats all its patients as their own.