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Meet Our Team

Veterinarians

Todd Wihlen, DVM

Todd Wihlen

Dr. Todd Wihlen, president of Monroe Veterinary Associates and director of Pittsford Animal Hospital, joined the Pittsford Animal Hospital medical team in 1996. 

Dr. Wihlen grew up in Rochester and pursued his veterinary education at the University of Missouri College of Veterinary Medicine, and was awarded his Doctorate of Veterinary Medicine cum laude in 1996.

His professional interests include dentistry, sugery, and senior pet care. Dr. Wihlen is a member of the New York State Veterinary Medical Association, the American Veterinary Medical Association, and the American Animal Hospital Association. He also serves on the board of directors for Rochester Hope for Pets.

Outside of the hospital, he enjous running, biking, and playing water sports. He and his wife, Monique, are the proud parents of two daughters, Morgan and Hannah. Their four-legged family members include three dogs and one cat.

Janine Ashton, DVM

Janine Ashton

Dr. Janine Ashton has cared for pets as a general practitioner at the Pittsford Animal Hospital since 2008.

A native New Yorker, Dr. Ashton grew up in Beechurt and attended Saint John’s University, where she recieved her Bachelor’s Degree in Biology in 2001. She continued her veterinary education at Ross University and was awarded her Doctorate of Veterinary Medicine in 2007. Dr. Ashton also holds a Master’s Degree in Toxicology.

When she’s not busy with her duties at the hospital, Dr. Ashton enjoys spending time outdoors with her family. Her hobbies include cooking, baking, and crafts. Most of all, she enjoys spending time with her husband, Dr. Ken Scheider, director at Perinton Veterinary Hospital, and their three children (two sons and one daughter). They share their 
home with both dogs and cats.

Lisa Boelio, DVM

Lisa Boelio

Originally from New Jersey, Dr. Lisa Boelio graduated from the University of Rochester in 2006 with a bachelor’s degree in evolution and ecology.  Dr. Boelio attended veterinary school at Ross University, graduating  in 2013. She completed her clinical year at Tufts University, and has been practicing in the Rochester area since 2013.

Her professional interests include surgery and geriatric 
medicine. In her free time, Dr. Boelio enjoys spending time 
with her two hound mixes, her husband Adam, and her son
Ethan. She also enjoys gardening, cooking, and spending time with her family.

Nick Delahanty, DVM

Nick Delahanty

Dr. Nicholas Delahanty has been with Pittsford Animal Hospital fourteen years. Dr. Delahanty has been working with animal since 2001, when he began his career as an animal caretaker at the Liverpool Health Center in Liverpool, NY prior to earning his Doctorate in Veterinary Medicine in 2010 from Kansas State University.

Originally from Astoria, Queens, Dr. Delahanty studied ecology and evolutionary biology at the University of Rochester, where he earned his Bachelor of Science in Biology in 2005. Dr. Delahanty’s professional interests include surgery, dentistry, and pain management. 

His love for animals does not end at the clinic doors; he provides a home for two dogs and two cats. During his free time, he is an  avid biker (often communiting to work), and enjoys Rochester City Living, cooking, as well as painting and restoring his historic home. 

Alexis Deyo, DVM

Alexis Deyo

Dr. Deyo grew up in Brighton, NY. and began working in the animal care industry after receiving her bachelor’s degree in psychology from Ithaca College.

After graduation, she worked as an adoption counselor for the Erie 
County S.P.C.A.. Additionally, Dr. Deyo worked at as both a veterinary technician assistant and a certified veterinary  technician at Red Bank Veterinary Hospital in New Jersey. She then obtained her Doctorate of Veterinary Medicine at Cornell University. Dr. Deyo completed externships at Veterinary Specialists & Emergency Services and Pittsford Animal Hospital while in veterinary school.

Dr. Deyo has one dog and two cats,  and enjoys gardening and baking in her free time.

Natalie Gregory, DVM

Natalie Gregory

Originally from Unadilla, NY, Dr. Gregory earned her Doctorate of Veterinary Medicine from Purdue University, where she graduated with distinction. Prior to that, Dr. Gregory graduated summa cum laude from SUNY Cortland where she majored in biology and minored in chemistry.

Her professional interests include internal medicine, dermatology, wellness care and parasite prevention.

Dr. Gregory has a one dog and one guinea pig. In her spare time, she enjoys bowling (her family owns a bowling alley!), reading, and watching the Buffalo Bills.

Sara E. Heslop, DVM

Sara E. Heslop

Originally from Fair Haven, New York, Dr. Sara Heslop received her bachelor’s degree in biology from Cornell University before being awarded her Doctorate of Veterinary Medicine from Tufts University in 2011. She recieved the International Veterinary Medicine Post-Graduate Certificate and Sarah Lee Irwin Medicine awards.

She completed an internship in small animal medicine and surgery 
at Oradell Animal Hospital in New Jersey. Her professional interests
include conservation, zoo, wildlife, and the “One Health” approach
to the intersection of human and animal medicine.

Outside of work, Dr. Heslop spends time with her family, including her two little ones and two cats. Her hobbies include traveling and voulenteering for animal conservation and health programs worldwide, such as Bambelea Primate Sanctuary in South African and Northern Lights Wildlife Sanctuary in British Columbia. She also enjoys outdoor activities such as hiking, kayaking, and camping. 

Zoe Patterson, BVetMed

Zoe Patterson

Dr. Zoe Patterson is originally from Gladstone, Manitoba, Canada. She is relocating to Rochester from London, where she recently completed veterinary school at Royal Veterinary College. She completed several externships and rotations in small animal veterinary care while in veterinary school.

Prior to that, she earned a bachelor’s degree in psychology from Dalhousie University in Halifax, Nova Scotia. While completing her undergraduate degree, Dr. Patterson worked as a veterinary assistant at Halifax Veterinary Hospital.

Samantha Tandle, DVM

Samantha  Tandle

Dr. Samantha Tandle is an associate veterinarian at Pittsford Animal Hospital. Originally from Seneca Falls, NY, she graduated from Hobart and William Smith College with a degree in biology. She recieved her doctorate of veterinary medicine from Cornell University in 2016.

Her professional interests include feline medicine, soft tissue surgery, and dentistry. She loves that she is able to see a little bit of everything working in general practice

Dr. Tandle shares her home with her signifigant other, Ryan, and their three children, in addition to four cats and several fish. In her free time, she enjoys reading, outdoor activites, and spending time with her family. 

Caitlin Whyle, BVetMed

Caitlin  Whyle

Dr. Caitlin Whyle grew up in Lancaster, NY. She graduated form Canisius College in 2012 with a bachelor’s degree in biology and a minor in animal behavior.

She received her Doctorate of Veterinary Medicine from the Royal Veterinary college in 2016. Dr. Whyle, then completed a rotation internship at Veterinary Specialists and Emergency Services, right here In Rochester, NY. 

Dr. Whyle’s professional interests include neurology, cardiology, and oncology. In her own home, Dr. Whyle has two dogs and three cats and enjoys spending her time with them outside of work.

Management Team

Sheila Casler
Hospital Manager

Sheila Casler

Sheila Casler is the hospital manager at Animal Hospital of Pittsford. She has been working in the animal care industry for 18 years.

Sheila is proud to be part of a professional team practicing high-quality medicine that makes client and patient needs a priority.

She has a small menagerie of her own: two dogs named Murray and Millie, two cats named Wendell and Oscar, and one bunny named Lance.

Roger Keymel, LVT
Technician Supervisor

Roger Keymel

Roger Keymel is the technical manager and head technician at the Animal Hospital of Pittsford. Born and raised in Rochester, NY, he is now a licensed veterinary technician and has been part of the animal care field since 1991. Roger studied Animal Science at Cornell University.

Roger believes that AHOP is the best animal hospital around and is proud of the high-quality patient care offered here. He loves that the team is always looking to improve and draw upon the individual talents of team members.

Outside of work, he enjoys spending time golfing, boating, gardening, and doing house renovations. He also loves spending time with his family: Madelyn, Kelly, Kaylin, and Kenzie. 

Alexa Hernandez
Animal Care Assistant Supervisor

Alexa Hernandez

Alexa Hernandez is Animal Hospital of Pittsford’s newest Animal Care Assistant Supervisor and has been with the hospital since May 2017!  Altogether, Alexa has worked in the animal care industry for about three years.

She grew up in Fairport, NY and went on to receive a bachelor’s degree in biology from The University of Rochester.  Alexa has always loved animals so it’s no surprise that she ended up in this field of work!  Her favorite aspect about working at the hospital is being able to help the patients while working with people who share the same passion as her.

At home, Alexa has three pets of her own – Nala and Nemo who are orange tabby cats, and Tia who is a Yorkie mix.  Alexa likes to spend as much time by the water as possible, so you’ll find her kayaking, hiking, and camping with her family. 

Kristy Throumoulos
Client Service Supervisor

Kristy Throumoulos

Kristy Throumoulos is the Client Service Supervisor at Pittsford Animal Hospital, where she has worked since 2016. She is currently attending Medaille College to become a  Licensed Veterinary Technician.

Kristy enjoys hearing stories from clients about their pets. She likes working at Pittsford Animal Hospital because of the fast pace and amazing coworkers. She has two pitbulls, Vader and Ocean. In her free time, Kristy enjoys spending time with her family and volunteering for Pitty Love Rescue.

Joanne Palermo
Client Service Shift Supervisor

Joanne Palermo

Joanne Palermo is a client service supervisor at AHOP, where she has worked for 22 years. Before working with animals, she was a dental hygienist for 11 years.

She and her husband share their home with two dogs named Paulie and Roxy, two cats named Sweetie and Arnold, a cockatiel named Dundee, a Russian tortoise named Shelly, and a beta fish. In her free time, Joanne likes to crochet, read, and play in chime choir.

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