Our Clinic Veterinarian

Samuel Martinez, DVM, Owner/Veterinarian

University of Maryland
Undergraduate Degree, Animal Science

St. George’s University School of Veterinary Medicine

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
Undergraduate Degree, B.A.

Virginia Martinez, wife of Dr. Martinez, was born in Alexandria, VA. She is the proud mother of four teenagers. 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, Lead Customer Service Representative

Barbara Villegas is our Customer Service Representative. She is currently a Senior at Osbourn High School in Manassas City. She has a special interest in mathematics and technology. Barbara would like to be veterinarian one day. She is fluent in Spanish. She was 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.

Samantha Martinez, Customer Service Representative

Samantha Martinez is our Customer Service Representative. She is currently a Senior at Osbourn High School in Manassas City. She has a special interest in Oceanography and Marine Biology. She was born in Washington, D.C. but lived most of her life in Virginia. She has always cared for all creatures, even the tiniest ones. She enjoys the outdoors and doing adventurous things.

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

Casey Stringer, Veterinary Assistant
University of Pittsburgh – Bradford Undergraduate Degree in Biology 2017 
Liberty University – Masters of Education in Teaching and Learning 2019 
Casey teaches 7th grade science at Stonewall Middle School. Originally from Pennsylvania, she has lived in Virginia for the past three years. Casey hopes to become a veterinarian one day. She enjoys spending time outdoors, playing basketball, and spending time with her boyfriend, Evan, her dog, Paisley, and her cats, Neiko and Franklin.
Samuel Martinez, Clinic Assistant
Sam is a Senior at Osbourn High School. He’s joined our team after finishing his Varsity Basketball season at OHS. He plans to attend a 4 year University in Virginia next year to pursue a degree in Engineering. He’s a welcome addition to the clinic to support our staff in many areas. In his free time he enjoys skiing, riding motorcycles & fixing them. He has two dogs at home that he cares for and loves, Spike & Junior.