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Tim Vleuten, DVM with DogDr. Tim Vleuten, our Chief of Staff, grew up in East Rochester and received a BS degree in Biology from St John Fisher College, graduating Summa Cum Laude in 1983. He earned a veterinary degree from New York State College of Veterinary Medicine at Cornell University in 1987. Dr. Vleuten practiced in several animal hospitals around the Rochester area before joining Dr. Dyroff as co-founder of County Line Animal Hospital in 1992.

Dr. Vleuten enjoys treating our animal patients both medically and surgically, as well as getting to meet and know their owners. Most of our clients know him as "Dr. Tim." His level of experience, patience, and dedication ensure that your pets will have the best possible care. In addition to treating our clients' pets, Dr. Tim supports the fight against pet overpopulation along with all our staff, and partners with various agencies to perform spay/neuter surgeries on stray and surplus animals and for low income spay programs.

Mary Dyroff, DVM with CatAfter graduating from New York State College of Veterinary Medicine at Cornell University, Dr. Dyroff practiced at several small animal hospitals around the Rochester area before opening County Line Animal Hospital in 1992. In addition to treating patients in private practice, Dr. Dyroff maintains interests in shelter medicine and pet population control, and often divides her time between our hospital and other ongoing shelter/pet overpopulation control projects. Dr. Dyroff spays and neuters feral and homeless cats in cooperation with several local agencies.

When not working, Dr. Dyroff enjoys spending time with friends and family, cooking, baking, reading, traveling, and catering to her own spoiled pets.

dr megan mongiovi dvm with her dogsDr. Megan Mongiovi grew up in Webster, and attended college at SUNY Geneseo. She earned her veterinary degree at the University of Illinois in 2009, and worked in equine medicine briefly before practicing small animal medicine in Lyons, New York and Ann Arbor, Michigan. She recently moved back to the area, and joined County Line Animal Hospital in the fall of 2016.

Dr. Mongiovi values most the personal connections that she makes with her clients and patients. She enjoys getting to know the people that come in with their pets, and aims to make sure they are involved in and understand their pet’s health. She has an interest in ophthalmology and internal medicine as well.


Dr. Wendy Kurtz grew up in the Southern Tier of New York and has enjoyed taking care of large and small animals her whole life. From her first gerbil to the Missouri Fox Trotter mare she rides now, Dr. Wendy has always loved animals. She earned an undergraduate degree in neuroscience at the University of Rochester in 1987. She then went on to complete a master’s degree in neuroscience and a VMD degree magna cum laude at the University of Pennsylvania. Dr. Wendy has enjoyed working at County Line Animal Hospital since 1998, and has a special interest in behavioral problems.

Barbara Silva, DVM with Small DogDr. Barbara Silva earned a Bachelor of Science degree from the University of California, Davis and a Master of Science degree from Colorado State University. In 1987, she earned a Doctor of Veterinary Medicine degree from the University of Wisconsin at Madison School of Veterinary Medicine. Since graduation she has been in small animal practice, joining the County Line Animal Hospital team in 1996.

Dr. Silva is a member of the American Veterinary Medical Association (AVMA) , the New York State Veterinary Medical Society (NYSVMA) and the Genesee Valley Veterinary Medical Association (GVVMA). She enjoys teaming up with pet owners to ensure the best care for their pets.