Welcome to Walker Valley Veterinary Hospital
Your Veterinarian in Walker Valley NY
Call us at (845) 744-8605

Dr. Christine Barnhorst received a BS in Biology from the University of Notre Dame in 1991 and a DVM from Purdue University in 1995. After graduating from Veterinary School, Dr. Barnhorst served as a Captain in the United States Army for 4 years where she trained enlisted soldiers, performed public health duties and cared for military working dogs and pets of military families.

She and her husband, Brad, moved into an old farmhouse in NY and began raising two beautiful girls. They currently have 3 dogs and 2 cats.

She has been practicing as a small animal veterinarian in New Jersey and New York since 1999. At the end of 2019, Dr. Barnhorst enthusiastically took over the responsibilities of managing Walker Valley Veterinary Hospital. Dr. Barnhorst enjoys practicing high-quality veterinary medicine and surgery and has a special interest in dentistry and nutrition.

Dr. Stephanie Chlebowski grew up with a love for animals. After receiving a B.S. in Small Animal Science from Delaware Valley University, Dr. Stephanie then attended the University of Missouri and graduated with her veterinary degree in 2016. Following graduation, she practiced for 7 years in Sussex County, NJ where she focused on developing relationships with clients and caring for their pets through all life stages. 

Dr. Stephanie currently resides in Orange County with her husband, Tim, their two rough collies, Fleetwood and Whellie, and a betta fish named Paul Hollywood. Dr. Stephanie enjoys playing the guitar, gluten free baking, gardening, and hiking. Her professional interests include preventative care, exotic animal medicine, and dentistry. 

Dr. MacMullen is originally from Saugerties.  After earning her bachelor's degree from Cornell University, she lived in Tuscany for 7 years and attended the Veterinary College at the University of Pisa.  She finished her veterinary degree at Aranela University in Manila, Philippines.  She did post-graduate clinical studies at the University of Missouri College of Veterinary Medicine in Columbia, and at the Animal Medical Center in NYC.

Dr. MacMullen started her career at a local emergency facility, and Hopewell Animal and Bird Hospital.

She has worked with local animal shelters including the UCSPA and PCSPCA. In 1999 she opened her own house-call practice called Pet's Reward. Currently she splits her time between her house-call practice, the UCSPCA and Walker Valley Vet where she sees appointments two Saturdays a month.

Dr. MacMullen lives in Kingston with her partner of over 20 years, Tim Dunton. Tim is a blue stone craftsman specializing in landscape designs. They have a Basset hound named Grace, 2 cats and a ball python.

Kalyn started working at Walker Valley Veterinary Hospital when she was 14 years old and worked for many years until she moved to Germany. She has returned to the area and we are so lucky to have her working with us again as our very own Office Manager. She, her beautiful daughter and long time boyfriend have adopted 2 cats and 2 dogs. Kalyn loves to spend time with her family and work in her garden.

Marcy is the daughter of Dr. Christine Barnhorst and has been a member of the Walker Valley Vet staff since 2020, starting as an assistant. She graduated from Goshen High School in 2022 and is now studying Biology at the University of Notre Dame on a pre-med track. When she is not at school studying, she enjoys spending time with her family, friends, and most importantly her pets. Recently, she has been moved into the position of Assistant Office Manager as she continues working at Walker Valley Vet during her breaks and time home from college.

Susan joined the Walker Valley Vet team in 2011 as our full-time receptionist.  She has been in the veterinary field for twenty years.  Susan resides in Kerhonkson with her husband and two cats.  

Crista has been a part of the Walker Valley Vet family for many years. When she is not at the hospital, she lives for being the best 'Mema' to her many grandbabies. She also enjoys lake life, the outdoors, and traveling whenever she gets the chance. Crista is always eager to help and is one of the first smiling faces you will see when coming into our office.

Beth Maxwell joined the Walker Valley Vet family as a receptionist in the summer of 2007.  After working in both human and veterinary health care she realized she wanted to further her education in the veterinary field. In the summer of 2013, she graduated from the Vet Tech program at SUNY-Ulster and became a licensed veterinary technician.

Cheryl joined the Walker Valley Veterinary Hospital family in 2020. Born and raised in Westwood, N.J., she moved to Pine Bush in 2019 where she resides with her husband and two large pups. She has been in the animal field since age 16 and for a year she had hoped that the animal hospital right down the road would possibly have a place for her. Low and behold! she enjoys camping, singing , photography, gardening and of course ... animals.  Cheryl is a wonderful addition to our team!

Kayla joined our team in spring of 2021 as a veterinary assistant after working in the veterinary field for ten years. Kayla grew up in New Jersey and moved to New York in 2018 with her husband and three dogs. More recently their family has grown and they have welcomed their first daughter. Other then animals, Kayla's passions are sports, music and dancing. Kayla is a 'go getter' who is always willing to jump in and help.

Olivia joined our team in summer of 2022 as a veterinary assistant. She has lived in New York her entire life and currently attends Goshen High School. Throughout her life, animals have always been her passion. From ages 9-14, Olivia volunteered on a farm doing regular care for many different animals. Olivia is looking to pursue animal medicine after high school. Other than spending time with her pets, she enjoys art and spending time with her friends and family.