Ashley J. Barthlow, DVM

Owner / Veterinarian

Dr. Ashley Barthlow grew up on a dairy farm outside of Libertytown, MD.  She announced at the age of 10 that she would be a veterinarian.  Dr. B graduated from Linganore High School, Hood College, and the Virginia-Maryland Regional College of Veterinary Medicine.  She has worked in Frederick County her entire career starting as a mixed animal veterinarian in Walkersville and Middletown before exclusively becoming a small animal vet.  Dr. Barthlow and her husband Ray purchased Poffenbarger Veterinary Clinic in 2005.


Dr. Barthlow lives on a farm outside of Libertytown with Ray and their 2 children, Cailyn and Ryan.  They have a variety of pets including 2 feisty Miniature Schnauzers.  Dr. B loves to develop client relationships and provide lifelong preventative care to her patients through education and with a high level of communication. In her spare time, Dr. B enjoys watching their children play sports, gardening, baking, and playing volleyball. 


Ray Barthlow

Owner / Hospital Director

Ray was born and raised in Frederick.  He is a graduate of Middletown High School and Frederick Community College.  Ray proudly served in the United States Air Force and attended the University of Maryland.  Ray started his career as a Biomedical Research Associate and worked for different Biotech companies.  Before the purchase of Heritage Animal Hospital, Ray was employed with Human Genome Sciences as a researcher for fourteen years.

In September 2005, Ray and his wife, Dr. Ashley Barthlow, and fellow colleague Dr. Walter Dodson, purchased Poffenbarger Veterinary Clinic and created what is now known as Heritage Animal Hospital.  Ray joined the Heritage team full time in the summer of 2006 as the Director of Hospital Operations.

Ray and Ashley live on a family farm in Libertytown, MD with their two children, Cailyn and Ryan, and many “furry friends.”  Ray has been active in youth sports programs as a coach, but now enjoys being his children’s #1 fan as he cheers them on at every game.

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Doricela Jansen, DVM

Associate Veterinarian

Dr. Jansen grew up in Rockville and moved to Frederick County in 1994.  She graduated from Ross University School of Veterinary Medicine in 1990, and for the past 22 years has been providing small animal veterinary care at several clinics in the Frederick area.  She enjoys practicing general and preventive medicine and has an interest in dermatology cases.  She is very excited to join the doctors and staff at Heritage Animal hospital and looks forward to providing quality veterinary care to the Walkersville community. 

In her spare time, Dr. Jansen enjoys cooking, traveling, and supporting the arts in Frederick County.

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Jennifer Pivar, DVM

Associate Veterinarian

Dr. Pivar grew up in Union Bridge, MD with a variety of pets, including her cat, lizards, and a snake.  She graduated from Bridgewater College, VA in 2014 and the Virginia-Maryland Regional College of Veterinary Medicine in 2018.  Her interest is in small animal internal medicine and surgery with a small side interest in pocket pets.  She is excited to return to Heritage Animal Hospital as a veterinarian to help care for pets in the Frederick/Carroll County areas.

Dr. Pivar has a beagle named Henry, who she has adopted at the start of veterinary school.  In her spare time, she enjoys hiking, exercise, swimming, and spending time with her family and friends.

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Amanda Davis, RVT

Office Manager / Registered Veterinary Technician

Amanda has been working at Heritage Animal Hospital since March 2015. After graduating Walkersville High School in 2011, she started work in the companion animal field as a kennel technician.

Amanda graduated from Frederick Community College with an Associate’s degree in General Studies in 2013 and studied at Carroll Community College where she received her Certificate as a Veterinary Assistant in 2014. Amanda graduated from Wilson College with bachelor’s degree in Veterinary Medical Technology with a concentration in business in May 2020.  

In her free time, Amanda enjoys spending time with her Bull Terrier, Bruiser, reading, and going to the beach.

Amanda enjoys watching the young animals come into Heritage and seeing them as they grow.


Kayla Wolfe

Veterinary Technician

Kayla joined the Heritage team again in May 2015. She is a 2008 graduate of Walkersville High School where she was a member of the FFA. She continued her education earning her Veterinary Assistant certification.

In Kayla’s free time, she enjoys farming, hunting, camping, baking, and crafting.  She spends her time with family and friends. Her passion is her farm.

Her family farm includes Dally the cattle dog,  Kaiya the husky, Hemi the coonhound/husky mix, Cletus the coonhound, three cats Cash, Waylon, Jolene and her cows.

Kayla enjoys educating new pet owners about the proper care of their new companions and she has a special interest in wound care management.


Jessica Cooper

Veterinary Technician

Jessica joined the Heritage team in April of 2014 as a veterinary assistant. She is also a graduate of Walkersville High School, where she played softball for 4 years. She also played tournament softball from age 10-18 where she played outfield and second base. Growing up, she always knew she wanted to work with animals.

She currently lives at home with her parents, younger sister, four cats Miss Kitty, Buddy, Tigger, Isabel, and miniature poodles, named Yasmine, Buttons and Angel. 

Her favorite thing to do at Heritage is watch the young animals as they grow.  She also is working towards her goal as a veterinary technician and loves to learn about all the cool things the technicians can do.

In her spare time she likes to be outside, hike, and spend time with her family.

Jessica’s favorite game to play is “Guess her age!"

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Danielle Kirkpatrick

Veterinary Technician

Bio coming soon

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Chrisse Bowers

Veterinary Assistant

After over 10 years as a client of Heritage Animal Hospital, Chrisse joined the team in June 2018 as a Veterinary Assistant.  She grew up in Hagerstown, Maryland, and is a graduate of North Hagerstown High School, Frostburg State College and earned a Master’s in Business Administration from Johns Hopkins University.  She spent almost 30 years in the corporate world working for an insurance company before retiring in 2017.

Chrisse grew up with and has always loved animals.  She continued her education at Frederick Community College earning her Veterinary Assistant Certification before joining Heritage.  She enjoys working with patients and clients and is looking forward to continuing her learning and gaining experience in this field.

She lives in downtown Frederick with Al and their golden retriever, Skyler and handsome cat, Leo. In her spare time, Chrisse enjoys playing with her furry friends, hiking, mountain biking, motorcycle riding, scuba diving, and traveling.


Evelyn Morris

Veterinary Assistant

Evelyn joined the Heritage team in September of 2018 as a veterinary assistant. She graduated from Walkersville high school in 2015, where she was an active member of the FFA. After graduation, Evelyn was elected to serve on the Maryland FFA State Officer team as the Maryland State Treasurer.

In 2013, Evelyn began working on a dairy farm in Thurmont, where she eventually earned the title of herd manager. After 5 years on the farm, she decided to make the switch to small animal medicine and became a veterinary assistant.

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Ginger Smith

Veterinary Assistant

Ginger joined the Heritage team in August 2021 as a veterinary assistant. Growing up around dogs and cats, she has always wanted to work with animals and is excited for this opportunity to work alongside the veterinarians and technicians at Heritage.  Ginger enjoys meeting the patients and interacting with their families. 


Ginger works with rescue horses at a nearby stable and enjoys riding horseback.  Ginger has a beautiful Husky dog named Fudd.  In her spare time, she enjoys baking and crafting.  A fun fact about Ginger is that her favorite Disney character is STITCH!

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Vicky Haines

Veterinary Receptionist

Vicky Haines joined Heritage Animal Hospital in February 2008 as a Veterinary Receptionist.  She loves coming to work every day because she considers work fun, educational, and never dull.  Surrounded by pets and wildlife all of her life, Vicky grew up on a small farm outside of Ladiesburg.  She has had quite a diverse family of pets through the years.  Everything from dogs, cats, and horses to rabbits, raccoons, snakes, and monkeys have lived on the farm. 

Vicky still lives on her family farm with her current family of horses, dogs, cats, goats, chickens, ducks, an African Gray Parrot, and a Capuchin monkey named “Lily.”  Vicky enjoys the time spent with her family of animals as well as all of her granddaughter and 3 grandsons.  At Heritage, Vicky is a favorite of many of our patients as she enjoys handing out treats for all of the good patients at the end of their visit.

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Alexis Payne

Veterinary Receptionist

Alexis joined the Heritage team in September 2017. She graduated from Fairfield High School in 2009. She has worked in veterinary medicine since 2007, enjoying many different roles throughout a veterinary hospital. Alexis lives in Thurmont with her husband, her grandmother, and 2 cats named Ninja and Minnie.


When Alexis is not at work she loves to spend time with her family and friends, go to concerts, and relax with a good book.

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Emily Wilson

High School Student Intern

Emily is currently a senior at Walkersville High School and she is our High School Student Intern for the 22-23 school year. Emily plans to pursue a degree in Animal Science and then apply to veterinary college. Emily has always wanted to be a veterinarian because of her love for animals. When she is not interning at Heritage, she enjoys spending time with her crazy dog Duke and designing lights for the Walkersville High School Theater.

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Hospital Cat (Patient Care Companion, Head of Security, Feline Weight Loss Ambassador)

Trouble was adopted by Heritage Animal Hospital in October 2019 at 12 years old.  He loves to eat and receive belly rubs.