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.

Heather B., Lead Veterinary Assistant

Born and raised in Manassas, and lifelong caretaker of animals ranging from hamsters to horses, she started as a veterinary assistant in 2014 and joined the team at OTVC in October 2017.  Heather along with her husband and daughter care for a menagerie of animals on their 7 acre farm in Nokesville. Heather enjoys raising and showing registered Myotonic (fainting goats) and Pygmy goats, horseback riding, and spending time with family and friends.

Barbara Villegas, Senior Customer Service Representative

Barbara Villegas is our Customer Service Representative. She is currently a Junior 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.

Sela Cooper, Clinic Assistant

Sela Cooper is our Clinic Assistant. She is currently majoring in Biology with a possible minor in Computational Data Science. Her favorite animal is the whale shark, amplifying her strong interest in aquatic veterinary medicine and marine life. She joined OTVC In December of 2018. In her free time, Sela enjoys boxing, music and appreciating nature. 
“I’m grateful for the wonderful team at OTVC and the opportunity to be a part of it!”