Chris Feaster, VMD
Practice Owner and Managing Partner

Dr. Feaster is a graduate of the University of Pennsylvania, School of Veterinary Medicine and has extensive experience in companion animal veterinary medicine and surgery. He grew up and now currently resides in Newtown with his wife and young daughter, and their French bulldog (Louis), golden doodle (Claude), and shelter cat (Isaac).

Dr. Feaster obtained an engineering degree from Virginia Tech prior to veterinary school and has experience working in veterinary hospitals over the last 20 years. He has volunteered his time performing surgeries for animal shelters, has experience dealing with all common companion animal medical conditions, can perform all routine general surgical procedures on dogs and cats, and also enjoys working with pocket pets and smaller farm animals.

  Lisa Miernicki, VMD
​Practice Owner

Dr. Miernicki is a graduate of the University of Pennsylvania, School of Veterinary Medicine with over 20 years of experience as a practicing veterinarian.  She spent a few years working as an Emergency Clinician shortly after graduating from veterinary school and has developed a special interest in Internal Medicine of cats and dogs since that time. She grew up locally and now lives with her husband and two children in Newtown. They have seven furry family members, including three rescue dogs [Cheyenne, Nittany and Watson] and four rescue cats [Bella, Dewey, Yoshi and Stormy]. ​

In her spare time, Dr. Miernicki enjoys quiet moments with a good book, most especially science fiction / fantasy novels, and personal development literature. She recently began biking and loves the peace and wildlife found along the canal trails. 

Valerie Heartsfield, VMD​

Dr. Heartsfield has been practicing veterinary medicine in Bucks County for many years and has a fondness for working in private practice with senior pets and shelter animals.

​She attended Einstein Nursing School and spent the first 22 years of her medical career as a registered nurse. Dr. Heartsfield then went on to graduate from the University of Pennsylvania, School of Veterinary Medicine in 1996 and has been practicing veterinary medicine since then.