Clocktower Animal Hospital Inc

Is this your veterinarian?

2451 Centreville Rd
Herndon, VA 20171

Driving Directions

(703) 713-1200


  • Hours:
  • Mon-Fri: 7:00am - 8:00pm
  • Sat: 8:00am - 4:00pm
  • Sun: 10:00am - 4:00pm

Your pets mean the world to you. Guess what? They mean the world to us, too! At Clocktower Animal Hospital Inc, we strive to provide the very best medical care possible while treating you and your pets with the professionalism, courtesy, and respect you deserve. We offer state-of-the-art care and client consultation services with the goal of promoting your pet’s overall health and longevity, while building a lasting relationship with you. It is our privilege and pleasure to care for our patients, so call today to learn about our services and start making a difference in your pet’s life.

Clocktower Animal Hospital Inc Services

  • Anesthesia
  • Dental Care
  • Fully Stocked Pharmacy
  • Hospice and Euthanasia Services
  • Laboratory
  • Microchipping
  • Pain Management
  • Parasite Prevention and Control
  • Puppy and Kitten Care
  • Radiology (X-Rays)
  • Senior Care
  • Surgery
  • Ultrasound
  • Vaccinations
  • Wellness Exams

Clocktower Animal Hospital Inc Staff Profiles

Dr. Leslie Moore

Dr. Leslie Moore is a graduate of the College of Veterinary Medicine at The Ohio State University and earned an undergraduate degree in zoology from Auburn University. She was affiliated for eleven years with Wheaton Animal Hospital in Kensington, Maryland, before joining the Clocktower team in 1998. Dr. Moore and her husband, David Brown, live in Vienna with their three children.
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Dr. William Mazur

Veterinarian / Medical Director
Dr. William Mazur, Medical Director obtained his BS in Marketing/Business from George Mason University. After graduating, he became a professional touring musician with the DC based rock band, SEV. After parting ways with them (5 years later), he started his veterinary career by attending the VA-MD Regional College of Veterinary Medicine. After graduating, Dr. Mazur continued his professional training and completed a rotating internship at the Angell Animal Medical Center in Boston, MA. He was an emergency/critical care veterinarian for the next several years before moving back down to the Washington DC area to be closer to his immediate family.
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Dr. Jennifer Schneider

Veterinarian / Medical Director
Dr. Jennifer Schneider, Medical Director holds an undergraduate degree in animal science and pathobiology from the University of Connecticut and is a graduate of the University of Pennsylvania School of Veterinary Medicine. Dr. Schneider worked for several years at a small animal and equine practice in New Jersey prior to moving to this area and joining Clocktower in 1999. Dr. Schneider’s professional interests include Lyme disease, radiology, preventive medicine, and protecting the human-animal bond. She resides in Herndon with her husband and three children.
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