Ingrid Rhinehart, MS, DVM, CVA

Education: Oberlin College, Cornell University, Chi Institute

Dr. Ingrid Rhinehart is a Western New York native who is happy to call Ithaca home. She is a Cornell Vet School alumna who just couldn’t stay away. She has previously practiced in Western New York and Western Pennsylvania before moving back to Ithaca and joining Briar Patch.  She purchased Briar Patch from Dr. Carolyn McMaster in September 2016 and plans to be here for a very long time.

Dr. Rhinehart earned her Bachelor’s degree in Economics from Oberlin College and her Master’s degree in Agricultural Economics from Cornell. After working as a development economist with farmers in East Africa, she returned to Cornell and earned her veterinary degree in 2011. Additionally, she earned certification in Veterinary Acupuncture from the Chi Institute in 2011. She continues to immerse herself in the study of Chinese Herbal Medicine, Chinese Food Therapy and other aspects of integrative medicine. She has recently earned certification as a Fear Free Practitioner, concentrating on considerate approach and gentle control techniques used in calming environments.

Dr. Rhinehart shares her life with her husband, her crazy Great Dane, one feisty kitty, two budgies and a tortoise. When not busy seeing patients or furthering her studies she enjoys quilting and traveling.  Dr. Rhinehart is also an avid Buffalo Bills fan and season ticket holder.


Katherine Vissio, DVM

Education: George Washington University, Cornell University

Dr. Katherine (Kat) Vissio loves being a part of the vibrant Ithaca community. She graduated from Cornell University College of Veterinary Medicine in 2015, completed a Small Animal Rotating Internship at Cornell in 2016, and has completed additional training in soft tissue surgery through the NAVC Institute. She is especially interested surgery and exotics, but also enjoys general and emergency medicine. She believes in individually tailored medicine that works for you and your pet. She is also fluent in Spanish.

She is originally from Austin, Texas but has lived in the northeast since attending The George Washington University in D.C. where she majored in Biological Anthropology. In her time off she loves to dance, sing, travel and practice yoga. She also enjoys hiking and camping in the rain, snow or sunshine with her husband and their dog Zoe.


Eva Oxford, DVM

Education: Cornell University School of Veterinary Medicine

Dr. Eva Oxford is a board certified veterinary cardiologist, currently practicing in Upstate New York. Eva was raised in rural Ohio, where she graduated from Walsh University with a Bachelor of Science in biology before moving to upstate New York in 2002. She completed a PhD in pharmacology at SUNY Upstate Medical University, studying arrhythmias in both humans and in the boxer dog. She achieved her life-long goal of becoming a veterinarian in 2012, when she graduated from Cornell University School of Veterinary Medicine.

After veterinary school, Dr. Oxford completed a small animal rotating internship at the Veterinary Medical Center of Central New York before returning to Cornell to complete a residency in cardiology. She became board certified in cardiology by the American College of Veterinary Internal Medicine (DACVIM) in 2019.

Dr. Oxford has been active in the research of ARVC in the boxer and mitral valve disease in small breed dogs for many years. She has led research projects funded through the American Heart Association, the Morris Animal Foundation, and the American College of Veterinary Internal Medicine, and has presented her work at international conferences. Dr. Oxford continues to teach and mentor veterinary, graduate, and undergraduate students, and to teach continuing education courses to fellow veterinarians.


Carissa, Licensed Veterinary Technician

Education: Alfred State College

Carissa graduated from Alfred State College with a degree in Veterinary Technology in 2010. She has been practicing as a licensed veterinary technician since. Recently she completed her Bachelors in Technology Management through Alfred State College as well. Carissa lives near Corning with her two cats, Chuck Norris and Ellie, a Leopard Gecko named Penelope, and her husband Nate. In her free time, she likes to read, hike, and spend time with her family and friends. Carissa BILLIEVES that one day the Bills will make it to the playoffs.


Julia, Licensed Veterinary Technician

Julia recently joined our team in November 2021. She has been practicing as a Licensed Veterinary Technician for almost 3 years. Julia is an upstate NY native, currently living in Elmira with her three dogs Truitt, Griffin, River and her cat Merlin. She has always wanted a career in helping animals and is very passionate about all of her patients. In her free time she loves to run and hike with her dogs, ride her family’s horses, and loves to bake.


Jett, Customer Service Representative

Education: Tompkins Cortland Community College

Jett is a born and raised Ithaca native. He attended Tompkins Cortland Community College and received his Associates in Applied Science for Early Childhood Education. Jett feels a strong connection to the Ithaca community, and makes it his goal to ensure that regardless of where he is, that he is helping those around him. During his free time Jett enjoys spending time with his son Altair, doing photography, hiking, figure drawing, and doing almost anything that’s related to 1980’s Sci-Fi culture or toy collecting.


Sarah, Customer Service Representative

Education: Associates of Science, Veterinary Technology

Born in Buffalo, Sarah is a long time vegetarian who has loved animals her whole life. After working as a Veterinary Technician for 3 years, she pursued a 10 year career in baking. When she is not in the kitchen making scones, sourdough bread, and cookies, she’s hiking with her husband and rescue dog Riley, tending to her many houseplants, practicing yoga, or wine tasting throughout the Finger Lakes.


Hailey, Veterinary Assistant

Hailey is an assistant and dog enthusiast who lives in Watkins Glen with her boyfriend Tom, their 5 dogs named Zoe,Maverick,Lucca,Asher and Gouda, 1 cat named Jagr, and 2 Axolotls named Scunner and Medusa. After being a groomer’s assistant for 4 years and loving animals her whole life, she decided that working with them was what she wanted to do and what she excels at. In her free time, she spends time training and showing 2 of her dogs, building computers, playing computer games and cooking.