Dr. Adam Hechko
Dr. Hechko grew up in Columbia Station, Ohio and went on to the University of Findlay to complete his undergraduate degree in Pre-Veterinary Medicine. He is a proud graduate of The Ohio State University College of Veterinary Medicine and an avid Buckeye fan.
Dr. Hechko has 3 children, Alexander, Benjamin, and Catherine. His wife, Dr. Jen, is a pediatric dentist. In addition, Dr. Hechko is honored to serve on the Board of Directors for the American Animal Hospital Association (AAHA) SINCE April 1, 2016 and is serving as the Immediate Past President.
Medical Director
Dr. Annie Garrett
Dr. Adrianne “Annie” Garrett was first introduced to North Royalton Animal Hospital when she was a high school student. Growing up in Hinckley with a passion for veterinary medicine, Dr. Garrett accepted a kennel assistant position when Dr. Hechko first opened NRAH. Dr. Garrett moved on from NRAH to attend Otterbein University, where she earned her Bachelor of Science degree. In 2017, she earned her doctorate at The Ohio State University College of Veterinary Medicine.
While at Ohio State, Dr. Garrett worked as an assistant at the OSU Veterinary Hospital of Dublin where she cared for sick and healthy pets. Since graduation Dr. Garrett has spent her time as a small animal veterinarian providing preventative care, surgery and emergency medicine. She also advanced her surgical skills by working at a high volume spay and neuter clinic. Her veterinary interests are varied and include preventative care, surgery, dentistry, general and emergency medicine. Dr. Garrett is excited to be returning to NRAH as a veterinarian.
In her free time, she enjoys riding horses, boating, fishing, baking, watching the Buckeyes play, and going hiking with her English Springer Spaniels, Mayzie and Remington.
Medical Director
Dr. Roxanne Constanzo
Dr. Constanzo was born and raised in St. Maarten in the Caribbean. She developed a passion for veterinary medicine and patient care by volunteering in multiple veterinary clinics, shelter programs and riding horses at her local barn. She then went on to attend the University of Pennsylvania to acquire her undergraduate degree and her veterinary degree. During her summers and time at PennVet, she organized a spay-and-neuter campaign to the Dominican Republic, volunteered at the Michigan Humane Society and was involved with various campus organizations such as the PennVet Surgical and PennVet Neurology Organizations. Dr. Constanzo spent a year in Michigan as an emergency veterinarian at a 24/7 emergency and specialty veterinary clinic. She loves many aspects of veterinary medicine but has specific interests in internal medicine, preventative care, emergency medicine and critical care.
Outside of the hospital, Dr. Constanzo enjoys scuba diving, jet skiing, reading books and spending time with her pets. She also loves traveling with her husband Matt, who is originally from Ohio. She has two fur babies, Lily, her “coconut retriever” from St. Maarten, and Sterling, her escape artist Egyptian Mau.
Medical Director
Dr. Rachael Shivak
Dr. Rachael Shivak grew up in North Royalton, Ohio. She earned her B.S. in Biology with an Animal Science minor from The Ohio State University (Go Bucks!). She earned her Doctorate of Veterinary Medicine from Iowa State University with an emphasis in small animal medicine. She returned to the Cleveland area to practice because she loves her hometown. Dr. Shivak has two Labradors named Dolly and Maple, as well as a rabbit named Russell. Her veterinary interests include neurology and cardiology. A few things that she enjoys at NRAH: new puppy/kitten exams and seeing your pet pictures!
Medical Director
Dr. Makenzi Travis
Dr. Makenzi Travis grew up in Bay Village, Ohio, with a houseful of pets, including a beloved golden retriever. After graduating from Indiana University, she spent two years living in Cambodia. While abroad, Dr. Travis rescued a street kitten who later came home to the US with her. Dr. Travis attended the University of Wisconsin - Madison School of Veterinary Medicine, where she developed interests in dentistry, nutrition, and multimodal pain management. Dr. Travis is also a published author in Veterinary Anesthesia and Analgesia.
Dr. Travis lives in Avon Lake with her husband, golden retriever, and two cats. When she’s not practicing medicine, she enjoys boating, camping, and traveling.
Medical Director
Dr. Natalie Singleton
Dr. Singleton grew up in Indiana with lots of pets. By the age of 5, she knew she wanted to be a veterinarian. Pursuing this dream led her to Purdue University where she obtained her Bachelor of Science in Biology and Doctorate of Veterinary Medicine. Dr. Singleton loves strengthening the human-animal bond and is passionate about all things feline, senior pets, and managing patient stress.
When not at work, Dr. Singleton can be found with her fiance exploring their new Cleveland neighborhood, planning the next National Park trip, and finding new restaurants to enjoy. Her hands and lap are quite full with cats at the moment, but she hopes to add a rescue pup (or two!) in the near future.
Medical Director
