Our Clinic Veterinarian

Samuel Martinez, DVM, Owner/Veterinarian

University of Maryland
2001
Undergraduate Degree, Animal Science

St. George’s University School of Veterinary Medicine
2009
DVM

Dr. Martinez previously worked for Ashburn Village Animal Hospital in Ashburn, Va, Banfield Pet Hospital in Alexandria, VA. He has a special interest in internal medicine and soft tissue surgery. Samuel was born in Nicaraugua and is the father of four teenagers. He has two dogs (Junior & Dumpling) and a cat named John. He enjoys spending time with his kids, running, target shooting, fishing, & cooking for family and friends.

Our Clinic Staff

Virginia Martinez, Owner/Manager of Operations

Marymount University
1994
Undergraduate Degree, B.A.

Virginia Martinez, wife of Dr. Martinez, was born in Alexandria, VA. She is the proud mother of four young adults. Her previous companion animal work experience was as owner/operator of a successful pet-sitting business in Falls Church, VA. Her favorite things to do are walking her dogs, hiking, skiing, & trying new restaurants with her family.

Stacey Shurtliff, Licensed Veterinary Technician

NVCC, Summa Cum Laude
Associate of Applied Science, Veterinary Technology

Stacey came to us after working over a decade in a surgery specialty practice. She has worked for 19 years in small animal medicine and emergency. Stacey is the proud owner of 3 beautiful white cats. She’s knowledgeable, reliable, and compassionate. Stacey enjoys volunteering at her local church and rooting for the Nationals, go Nats!

Barbara Villegas, Clinic Supervisor

Barbara Villegas has been promoted from Lead CSR to Clinic Supervisor. She graduated from Osbourn High School in Manassas City and is currently taking a gap year while working fill-time at our clinic. She has a special interest in mathematics and technology. She is fluent in Spanish. Born in Mexico but lived most of her life in Manassas since she was young, she has loved being around animals, big and small. Barbara loves helping others and caring for animals. She enjoys listening to music and taking walks through the park during her free time.

Heather Klipp, Customer Service Representative

For the past 12 years, Heather and her husband Chris have called Old Towne Manassas their home. Together they give thanks for the opportunity they’ve been given to serve and engage in their local community with their 5 children. Through their local church body, their homeschooling adventures, their 3 crazy pups, and now—a role for Heather at OTVC—they keep busy, but life is full, and life is good!

Regina Martinez, Veterinary Assistant & Representative
Regina is currently a full-time student in Animal Science and Research Assistant at Cornell University in Ithaca, NY. On her breaks from school she works at the clinic. She has a special interest in reptiles, cattle, and sheep. She was born in Washington, DC but lived most of her life in Virginia. She enjoys knitting, watercolor painting, skiing, and hiking.

Steven Brooks, Clinic Assistant
Steven has completed high school and after taking this gap year he plans to attend George Mason University to pursue a career in illustration and concept art. Steven has many pets at home that he cares for including cats and dogs which made him a natural choice for our post-surgical care team, comforting, monitoring, and warming patients in the recovery area. He has additional talents in the areas of computer IT support and has become our resident handyman! Born in Monterey, California he moved to Virginia when he was 7 years old and developed a love for art and the outdoors.

Carlie Hvizdash, Veterinary Assistant
Carlie is currently a Biology and Conservation Major at George Mason University. She is an aspiring Wildlife Veterinarian. With two cats and foster dogs at home Carlie has a natural love for working with the animals. She enjoys spending time outdoors hiking, running & cycling.

Gabriela Rivera, Clinic Assistant 
Gabriela has been hired to help in many areas as a Clinic Assistant. She currently is a Senior at Patriot High School. She has a special interest in the animal medical field and cars. She is from Puerto Rico and is fluent in Spanish. In her free time, she enjoys working out and spending time with her pets.