Sully Animal Hospital, Centreville, Chantilly, VA. Veterinarians serving Northern Virginia. Sully Animal Hospital offers the best in complete pet health care, including: low cost and affordable surgeries, grooming, radiology, dentistry, ultrasound, eye pressure monitoring, and emergency hospitalization. Specialize in cat declaws, mass removals, cytology, ACL repairs, pyometra, blocked cats, spay and neuter. Always able to lend a helping hand