Accessibility View Close toolbar

About Us

A. Kent Allen, DVM - Practice Owner

Dr. Allen

Dr. Allen received his DVM from the University of Missouri in 1979 and has been practicing equine medicine ever since. Dr. Allen opened Virginia Equine Imaging in 1996 after selling the practiced he formerly owned in Arizona (Arizona Equine Medical and Surgical Center). Virginia Equine Imaging became the first privately owned and operated equine diagnostic imaging specialty clinic in the world. He had a vision to establish a practice that provides advanced diagnostic and sports medicine catered to the equine athlete in a way that had never been done before. During his transition from Arizona to Virginia Dr. Allen served as the head veterinary services coordinator at the 1996 Olympic Games in Atlanta, acquiring the title of Arizona Equine Practitioner of the year.

Since moving to Virginia and establishing VEI Dr. Allen has
found time to serve as Chairman of the USEF Veterinary Committee, the USEF Drug
and Medication Committee, and the Medication Sub Committee for the Federation Equestre Internationale (FEI). He served as the FEI Foreign Veterinary Delegate for the 1999 Pan American Games in Winnipeg, Canada, the 2000 Olympic Games at Sydney, and the 2012 Olympic Games in London. Dr. Allen was also the 2010 World Equestrian Games Official Veterinary Coordinator.

Dr. Allen is currently certified by the International Society of Equine Locomotor Pathology (ISELP) and serves as its Vice President and Executive Director. He also serves as the volunteer Chairman of the United States Equestrian Federation (USEF) Veterinary, Drug, and Medications Committees and on the FEI Veterinary and List Committees. Dr. Allen continues to see patients and share his knowledge with veterinary interns and clients on a day to day basis striving the share his knowledge with the equine industry both in his local community and around the world.


Susan Johns, DVM - Senior Associate

Dr. Johns

Dr. Johns joined Virginia Equine Imaging as an intern in the
spring of 2002, following graduation from Virginia Maryland Regional College of Veterinary Medicine. She completed her internship in sports medicine and diagnostic imaging with VEI then stayed and earned her place on the team as a Senior Associate Veterinarian. She has worked closely with Sound-Eklin educating many veterinarians about direct digital radiology, and completed much of the groundwork for our joint MRI department with the Marion DuPont Equine Medical Center.

Susan works extensively with National and International competition horses. She served as the United States Equestrian Team Veterinarian (USET) for the 2008 FEI World Singles Driving Championships in Jarantow, Poland, and the 2010 FEI World Singles Driving Championships in Italy. Susan currently serves as the Associate Treating Veterinarian for the USA Land Rover Three-Day Eventing Team. Dr. Johns has a strong interest and dedication to the NAYRC organization, after actively competing as a young rider in eventing for Area I. Over the past 10 years, Susan has been both a treating and team veterinarian for numerous areas at the NAYRC competitions. Susan travels throughout Virginia, Maryland, North Carolina, and South Carolina offering top level ambulatory sports medicine, lameness, and diagnostic imaging services.

Susan is originally from Los Angeles, California, and competed to the one star level in FEI Championships. When she is not working on equine athletes she likes to spend down time with her husband.


Cricket Russillo, DVM - Senior AssociateDr. Russillo

Dr. Russillo (Known to many as “Cricket”) graduated from the
Tufts University School of Veterinary Medicine in 2001. Following graduation
she completed a Large Animal Medicine and Surgery internship at Texas A&M
and realized her desire was to work on elite sport horses. After 13 years of
practice at Fairfield Equine Associates in Newtown CT focusing on high level
show jumping and dressage horses she joined Virginia Equine Imaging in June of 2015. Dr. Russillo met and worked alongside Dr. Allen at the 2010 Alltech FEI World Equestrian Games as the primary after-hours treat veterinarian and since joining Virginia Equine Imaging has become a valued team member in our practice.

Dr. Russillo relocates to Florida every winter to support our clients and patients in Wellington and the surrounding areas. She is a member of the International Society for Equine Locomotor Pathology, and hopes to attain Certification next year. We are proud to announce that in 2017 Dr. Russillo got appointed to be the new USA Dressage Team Veterinarian.

In addition to her busy schedule of sports medicine, Cricket enjoys spending time outdoors with her husband and daughter. She has competed through 3rd Level in Dressage and loves to play tennis. She and her family are excited to be a part of the VEI team and love living in Northern Virginia.




Carmen has worked in the veterinary field since 1998. Prior to coming to VEI she was the practice manager at a “small animal” practice in Ashburn. She was looking for something new and exciting such as equine or specialty practice and joined our team in 2014. She lives in The Plains with her husband and daughter as well as her dog – Montee, a Golden Retriever. She also has 4 horses and spends most of her time at the barn. Her daughter shows in both English and Western disciplines while Carmen trail rides for fun.


Melanie Tuplin, DVM – Intern


Dr. Tuplin is a 2017 graduate of the University of Calgary.
Dr. Tuplin applied for the 2017/2018 internship because she has a special
interest in treating high level equine athletes and wants to focus on sports medicine and diagnostic imaging in her veterinary carrier. Recently Dr. Tuplin published a medical paper as first author in The Journal of Veterinary Internal Medicine on the Influence of the respiratory cycle on caudal vana cava diameter in healthy foals: a pilot study.

To add on to her many accomplishments, before vet school Dr. Tuplin was an avid equestrian who packed in the Canadian Rockies, exercised polo horses, competed jumping in Switzerland, and worked cattle.

When she is not hard at work Dr. Tuplin enjoys spending herdown time with her dogs, exploring the local Virginia community, and reading.


Zehra Gundogan, DVM – Intern


Dr. Gundogan is from The University of Pennsylvania, school of veterinary medicine in 2017 after attending undergraduate school at BostonUniversity. While in vet school Dr. Gundogan took a special interest in equine lameness and worked on research that looked at the histopathologic changes seen in the lamina during various stages of laminitis. After graduating Dr. Gundogan decided that she wanted to further her carrier path in lameness diagnostics and applied for the intership position here at VEI.

Growing up Dr. Gundogan showed in eventing, competing in FEI up to the intermediate level and continued riding as a working student through college under various professional riders. In her free time, Dr. Gundogan enjoys riding and competing her horse, running, and traveling.


Lauren Hagarty – BS in Equine Science

LaurenLauren grew up in New Jersey and has always had a passion for horses. Her equestrian experience is broad ranging from breezing racehorses to showing in eventing competitions. In 2013 she graduated with her degree in equine science from Lake Erie College in Ohio. The following year she interned under a farrier and learned the basics of shoeing and equine podiatry.In 2014 she got a job as a vet tech at Marion Dupont Scott Equine Medical Center and found she enjoyed working as in the equine medical industry but had a particular interest in lameness and orthopedics. When Virginia Equine Imaging had an opening for a tech position in June of 2016 she applied and got the job.Since then she has become a valued member of the team working both in clinic and traveling with Dr. Johns when she leaves town. When Lauren is not working she enjoys showing her mare Bellini, spending time with her dog Riley, and visiting her family back in New Jersey.


Kianna Scott – LVTKianna

Kianna grew up in Loveland, CO and started riding at 8 years old. She showed in many disciplines from reining to English equitation. She got her first barn managing position when she was 15. That same year she started taking college courses eager to start working in the veterinary industry. In 2015, she became the youngest student to ever complete the Front Range Veterinary Technology degree program. While in school she completed a 4-month internship at Royal Vista Equine Reproductive center that housed near 300 mares and foals. During her clinical rotations at CSU Kianna became interested in equine sports medicine and rehabilitation and made the choice to focus her clinical time tracking equine medicine and lameness.

After graduation Kianna worked three jobs: A tech at a small animal clinic, riding and administering medical care at dude ranch in the national park with 125 horses, and training at a nationally competitive western show barn. In October of 2016 she got a call from Dr. Allen asking if she would be interested in the veterinary technology position that had recently opened up. Having a passion for equine rehabilitation and sports medicine she immediately knew she wanted to take the opportunity to learn from such great veterinarians. She moved to Virginia a few short weeks later. Since moving to VA, Kianna has received her Virginia License in Veterinary Technology and a certificate in Equine Laser Therapy.

When Kianna is not working at the clinic she can be foundmanaging Dr. Allen’s personal horses, spending time with her two mares (Destinyand Shyla) and Dog (Charlie), or exploring nature.


Sarah Crocker – Tech Support


Sarah is a friendly "horse person" from New England. She first rode at the age of nine and has never stopped since!

In college, she played polo and was ranked third for women collegiate players while completing a degree in bio-chemistry. In 2005, after a decade of dedication to a large New England equestrian facility, she left its seriously long winters for the year-round equestrian life here in Virginia.Horses continue to be a passion and riding is part of everyday. She is either trail riding for fitness, in a training session, fox hunting or acting silly by bareback riding in the snow or nearby lake.

Sarah is a valued part-time employee at Virginia Equine Imaging, finding it both fulfilling and educational.


Office Hours

The Plains, VA


8:00 am-5:00 PM


8:00 am-5:00 PM


8:00 am-5:00 PM


8:00 am-5:00 PM


8:00 am-5:00 PM