BluePearl Pet Hospital
Buffalo
Cheektowaga, NY
Our Vets

• Doctor of Veterinary Medicine, University of Prince Edward Island, Charlottetown, Canada

Dr. Kristina Doyle’s professional interests include surgery and emergency medicine. She is passionate about client communication, preventative health and team building.

• Doctor of Veterinary Medicine, University of Guelph, Ontario, Canada
• Master of Science, Public Policy, Tufts University, North Grafton, MA
• Bachelor of Science, Ecology and Evolution, University of Rochester, NY

Dr. Doyle enjoys hiking with her dog, kayaking, traveling, cooking and reading.

Dr. Kathleen Muckenhirn has multiple professional interests, including behavioral, emergency and exotic animal medicine as well as soft tissue surgery.

• Doctor of Veterinary Medicine, University of Prince Edward Island, Charlottetown, Canada
• Bachelor of Science, Animal Science, University of Connecticut, Mansfield

Dr. Muckenhirn enjoys hiking and training new skills with her dog Tonks; they’re working on parkour, scent and obedience with hopes to start agility and draft skills soon. She also enjoys watching action movies at home with her three cats or at the drive-in theater.

Dr. Kaitlyn Nikirk’s clinical interests include emergency medicine and exotic animal care. She is Fear Free certified in avian, dog and cat medicine. Passionate about animal welfare and client education, Dr. Nikirk serves on the Legislative and Animal Welfare Committee for the Association of Reptile and Amphibian Veterinarians (ARAV) and the Animal Welfare Committee for the Association of Avian Veterinarians (AAV). She currently chairs ARAV’s PR & Membership Committee.

• Doctor of Veterinary Medicine, Michigan State University, East Lansing
• Bachelor of Science, Biology, Houghton University, NY

In her free time, Dr. Nikirk enjoys playing board games, making pottery, gardening and walking to Bidwell Farmers Market with her dogs, Winne the Pooch and Lola.

Dr. Sarah Poltis’ professional interests include emergency medicine, exotics and business management.

• Doctor of Veterinary Medicine, University of Tennessee, Knoxville

During her time off, Dr. Poltis enjoys spending time camping, playing board games and photography. She has a dog named Dottie and two more that are shared with her family (Pickles and Jackson).

Dr. Ann-Marie Tierney finds great satisfaction in working in an emergency setting. Her professional interests include ophthalmology, anesthesia and pain management. She enjoys teaching and sharing medical knowledge with colleagues and clients alike.

• Clinical Rotation, Oklahoma State University, Stillwater
• Doctor of Veterinary Medicine, Ross University, St. Kitts & Nevis, West Indies
• Bachelor of Science, Physical Anthropology, University at Buffalo, NY

Dr. Tierney enjoys hiking with her wife and dogs – Grayson and Enzo. She is passionate about traveling to new places, seeing new animals, gardening all kinds (flowering plants, vegetables and herbs) and anything outdoors like snow shoeing, skiing, canoeing and white-water rafting.