Meet Our Doctors

Leonard Donato, VMD


Diplomate of the American Board of Veterinary Practitioners in Avian Practice

Since the age of five, Dr. Donato dreamed about becoming a veterinarian. After studying for four years at Indiana University of Pennsylvania and four years at the University of Pennsylvania School of Veterinary Medicine, he attained his longtime goal. As a student, Dr. Donato was responsible for the medical and surgical care of animals at the University of Pennsylvania Wildlife Service. After completing his studies, Dr. Donato was an Associate Veterinarian at Rothman Animal Hospital from 1996 to 2000. His caseload included traditional and non-traditional pets.

As a member of the Association of Avian Veterinarians (A.A.V.), Dr. Donato lectured at several national conventions. Throughout his career he has been actively providing continuing education opportunities for veterinarians, veterinary students, and veterinary technicians.

In February 2001, Dr. Donato became the owner of Radnor Veterinary Hospital. He treats dogs, cats, birds, reptiles, ferrets, rabbits, guinea pigs, rodents, amphibians, hedgehogs, sugar gliders and other non-traditional pets. Dr.Donato’s areas of interest include orthopedics, endoscopy, and wildlife & exotic pet medicine and surgery. Dr. Donato lives in Wayne, PA with his wife, Marianne, daughters, Lena and Christina, and son, Joseph. The Donato family shares their home with a persian cat named McLovin, a bearded dragon named Derrik, and french bulldog named Bruce Lee. Dr. Donato enjoys martial arts, table tennis, and hiking on the Appalachian Trail.

Becky Ehrlich, VMD


Dr. Becky Ehrlich is originally from Blue Bell, PA and received her undergraduate degree in Biology and Science in Society from Wesleyan University.  After obtaining her veterinary degree from the University of Pennsylvania, she worked in Chester County before moving to Wayne and joining the team at Radnor Veterinary Hospital in 2014.  Dr. Ehrlich has a passion for exotic animal medicine, and also especially enjoys soft tissue surgery, cardiology, and preventative medicine. Dr. Ehrlich lives with her husband Dan, rabbit Yoshi, mixed breed dog Rory, and blue tongued skink Citra (all rescues).  In her free time, she enjoys traveling, teaching, skiing, baking, and occasionally skydiving.

Stephen Meister, VMD


Dr. Stephen Meister graduated from the University of Pennsylvania School of Veterinary Medicine in 1999. After graduating, he practiced feline medicine in Philadelphia for one year, after which he participated in a veterinary dental residency at the University of Pennsylvania from 2000 to 2002. For the next fourteen years he was a general practitioner, primarily with dogs and cats in Philadelphia. During this time he explored his interests in dentistry, orthopedic surgery, and regenerative medicine. Dr. Meister is also a member of the Royal College of Veterinary Surgeons; the American Association of Feline Practitioners; and the American Veterinary Dental Society. He also serves as a Captain in the U.S. Army Reserves Public Health Command. He currently resides in Philadelphia and has two daughters, Fionnaula and Raighnaid.

Stephanie Principati, VMD


Dr. Stephanie Principati is a proud Blue Hen alumni and graduated from the University of Delaware with a degree in animal science and wildlife conservation. She received her veterinary degree from University of Pennsylvania in 2016. Following graduation from veterinary school, she completed an internship in small animal medicine and emergency at the University of Illinois Veterinary Teaching Hospital, and then completed a second internship at the U of I in zoological and exotic companion animal medicine. She is excited to return to Chester County and join the team at Radnor Veterinary Hospital! Dr. Principati’s professional interests include zoological companion animals and wildlife, and also enjoys small animal medicine and critical care. She enjoys traveling, and her hobbies include running, cooking, and spending time with her dog, Buca, and two frogs, Fred and Ethel.