Our Passion
Is Your Pet's Health

Offering Consultation, Wellness, and Prevention


Licensed & IVN Certified Veterinary Care Team


Veterinary Assistants

Our VirtualVetsSM certified veterinary assistants are trained and qualified to help you improve the healthcare and wellness of your pet. They help the veterinarian throughout the process from start to finish to make your appointment easier.


Doctors of Veterinary Medicine

Our VirtualVetsSM certified veterinarians work with you to discuss your pet’s health history, symptoms, answer healthcare questions and determine if further testing is required. They consult & recommend your pet’s medical conditions, diseases, and injuries. They also help you with preventative healthcare to improve and maintain your pet’s health and well being.


Veterinary Technicians

Our VirtualVetsSM certified veterinary technicians assist with capturing your pet’s health history and are qualified to assist the veterinarian with lab tests. They have experience assisting in all areas of pet healthcare and wellness.

Our Leadership

VirtualVetsSM was founded out of a commitment to being your partner in helping your pets live a happy healthy life.


James T. Sparks, D.V.M.

Dr. Jim Sparks was born an animal lover and remembers he was always going to be a veterinarian.  Dr. Sparks graduated from the University of Missouri with a BS in Animal Science and Doctor of Veterinary Medicine. from the same school in 1990. Before graduating, he completed an externship with the chief veterinarian of the Iditarod sled dog race in Alaska.

Dr. Sparks has practiced at Eagle Animal Hospital and his professional interest is focused on companion animal internal medicine. “I love veterinary medicine and surgery because the learning process is never done,” he says.


Matthew S. Silvius, D.V.M
Chief Executive Officer

Hard work and interaction with farm animals from a young age inspired Dr. Matthew Silvius to pursue a career in veterinary medicine. Dr. Silvius attended Missouri Western State University for Biology and graduated magna cum laude as a Doctor of Veterinary Medicine from the University of Missouri.

Dr. Silvius’ professional interests include dermatology, feline medicine, dentistry, and wound management. Dr. Silvius is most satisfied when he can help clients and their pets. “There is no better feeling than being able to return a sick pet back home to their family,” he says.


Margaret McKeown, D.V.M.
Director, Virtual Veterinary Training & Certification

Dr. McKeown directs professional standards and training for VirtualVets telehealth providers.  She also oversees the professional virtual veterinary services requirements of the Independent Veterinary Network.  A native of the St. Louis area, Dr. McKeown graduated from the University of Missouri College of Veterinary Medicine in 2007.  She provided medical services to pet families for 10 years in clinical practice, with an emphasis on skilled care and technology.  In addition to providing convenient VirtualVets services, her primary managerial responsibility includes implementing and evaluating the qualifications for virtual veterinary certification.


Stacey Nickell, D.V.M

As a young child drawn to both science and animals, Dr. Stacey Nickell knew she wanted to become a veterinarian.  Dr. Nickell completed her undergraduate studies in Biology at Bradley University in 1999. She earned her doctorate in veterinary medicine in2003, graduating with  magna cum laude honors.  Her professional interests include ophthalmology, internal medicine, dentistry and dermatology.

Dr. Nickell has a Boxer named Jasmine. She enjoys running, yoga, reading, traveling, and spending time with her husband (who is also a veterinarian) and their three young children.


Clint Seitz, D.V.M.

Clint Seitz is a Kansas native and Kansas State University alumni, with an undergraduate degree in Animal Science in 2003 and a MBA in 2005. He earned his Doctorate in Veterinary Medicine in 2010.   He decided to become a veterinarian because of his appreciation for the human-animal bond and the amazing relationships that can develop between a pet and their owners.  Dr. Seitz says, “Providing reassurance to people that are worried about their pet’s health and providing patients with the best possible outcome is the most satisfying aspect of being a veterinarian.”

Dr. Seitz has a Boxer named Deuce and enjoys rooting for his favorite sports teams, outdoor cooking and spending time with his wife and son.


Stephanie Brennan, D.V.M

Dr. Stephanie Brennan was born in Memphis after living in five different states by age eleven. Her family eventually settled in Oklahoma City.  Accompanying her parents to the vet with her first pet, Jenna the bunny, started her thoughts of becoming a veterinarian.

In her teens, her childhood dog, Chester, developed kidney failure.  “Caring for and comforting Chester solidified my career path.” Stephanie began shadowing a local vet and worked as a kennel attendant, receptionist, and technician prior to vet school.

Dr. Brennan earned a degree in Biology at the University of Central Oklahoma then entered the Oklahoma State University veterinary program, earning her doctorate in 2015.


Mara Reynolds, D.V.M

Dr. Mara Reynolds grew up riding and showing horses in the hunter/jumper ring and has consistently been surrounded by animals and pets. Her childhood dog, Jet, was her best friend throughout middle and high school. “Jet was a huge inspiration to me and inspired my desire to help people and their pets.”

Dr. Reynolds earned an undergraduate diploma in Animal Science as a Pre-Vet scholar.  Then was awarded a Doctor of Veterinary Medicine degree in 2019.  She has lived in California, Arizona, and Missouri.

In high school, Dr. Reynolds volunteered at animal rescue facilities and in college worked at the local Humane Society.  “I always knew I wanted to combine my passion for science and animals and be a vet.” She is Fear Free Certified and enjoys internal medicine, dentistry, nutrition, behavior, and routine surgery.

When Dr. Reynolds is not working she enjoys hot yoga, hiking, walking with her dog Ivy, spending time with friends, and exploring local breweries and craft beers. Ivy is a three-legged mix breed (mutt) that she adopted after her first year of veterinary school.