Veterinary Outpatient Surgical Center

5091 Westfields Blvd
Centreville, VA 20120



Our Doctors


Dr. Brenda Taddeo DVM - Sully Animal Hospital - Centreville, VA

Dr. Brenda Taddeo - Veterinarian


Owner of Sully Animal Hospital is from Northern Michigan, and because of the frigid winters decided to go south for undergraduate school 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 DC. Metro area. 

Dr. Taddeo lives in Fairfax, VA. with her husband and three girls.  She has a 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 very important aspects of patient care; She treats all of her patients as if they were her own.  



 Dr. Tibor Lazar

Dr. Tibor Lazar

Diplomate of the American College of Veterinary Surgeons.

Dr. Lazar is one of a small number of board-certified veterinary surgeons throughout the world. He 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 B.A. 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 by the American College of Veterinary Surgeons. He has spent the past 10 years focused on small animal specialty surgery in northern Virginia.

Dr. Lazar lives in Reston, Virginia, with his wife, their two sons, and a plethora of pets including dogs, cats, birds, snakes, and fish



Dr. Gordon

Dr. Gordon

Dr. Gordon graduated from the University of Vermont with a BS in Animal Science in 2001. After four years at the Cummings School of Veterinary Medicine at Tufts, he participated in a one-year small animal internship at the Animal Medical Center in New York.

Following a three-year small animal surgery residency at the Ontario Veterinary College at the University of Guelph in Canada, he achieved Diplomate Status as a board-certified surgeon in 2010.

After four years in a small animal surgery practice outside Washington, DC, he and his family moved to Tasmania where he joined a small animal hospital and was the only specialist (surgical or otherwise) on the entire island.

Missing the oppressive mugginess of DC summers, the Gordons returned to their Bethesda home in 2016 and he joined Lazar Veterinary Surgery.

When not in surgery, Dr. Gordon tries to survive raising three sons. In rare moments of peace, he enjoys finding the perfect recipe, talking about outdoor activities, and subjecting innocent bystanders to his banjo playing.