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Welcome to Trumbull Animal Hospital!

Trumbull Animal Hospital grooming IS OPEN. PLEASE CALL (203) 268-0257. LEAVE A MESSAGE TO SCHEDULE YOUR APPOINTMENT.

Our Veterinarian Staff

Our team of trained animal experts has founded their practice on a love of animals. Our clinic is headed by Dr. Ian Ostrover, Dr. Wendy Roberston, Dr. Melissa DeFabrizio, Dr. Hellthaler, Dr. Tarsi and Dr. Carmella. This team is made up of licensed, experienced and passionate individuals. Our first priority is always your pet’s well-being. You can always rest assured that your pet will receive the attention and professional treatment they deserve during exams and procedures.

Our Approach to Healthcare

In our clinic, we believe that pet owner education is the foundation to promote the long term health benefits for pets. This is why we love to take the time to invest in educating our clients on how to maintain a healthy lifestyle for their animals. This education includes discussing your pet’s nutrition, exercise and other lifestyle habits that can greatly affect their health. This type of education is crucial to your confidence as a pet owner. Beyond this, we take the time and attention to customize a treatment plan to help your pet get back to their healthy self as quickly as possible.

Whether your pet needs regular check-ups, routine exams, or you need advice on how to best maintain your pet’s health and wellness, you will find our clinic to be your veterinary care headquarters for domestic and exotic pets.

In addition to these services, we also offer boarding and grooming services for our clients. Our newly remodeled facility provides a welcoming environment in which your pets will love to call a home away from home. During their stay, your pets will be treated with the same care and concern that you would provide at home.

Emergencies and Surgeries

If your pet’s health takes a turn, and you find that they are in need of surgery or emergency care, you can rest assured that we have the staff, knowledge, and equipment to provide everything that your pet needs. Our staff is trained to handle most pet emergencies as well as surgical procedures. In addition, our staff will provide a positive and supportive environment for your family during this stressful time.

Your Local Veterinarian in Trumbull, CT

If you are a pet owner living in the Trumbull area, call Trumbull Animal Hospital at (203) 268-6231 to book an appointment. We hope that you choose to be a part of our family and that we can help provide your pet with a healthy and happy life.

  • Dr.
    Ian Ostrover,

    Dr. Ostrover grew up in Easton and Trumbull.  He earned a biology degree from Eastern Connecticut State University. He attended Ross University School of Veterinary Medicine and completed his clinical rotations at Colorado State University. In 2010, Dr. Ostrover moved back to Connecticut and started working at Trumbull Animal Hospital. He purchased the practice from Dr. Kellner in 2014. Dr. Ostrover’s interests are surgery, injuries and treatments associated with athletic/working dogs, medicine, exotic species, ultrasound and just about anything else that is challenging or out of the ordinary. His goal as a practice owner is to provide the best medical care to his patients.  He strives to create an environment at Trumbull Animal Hospital that allows for a cohesive enjoyable work experience for the entire staff and ultimately builds a strong animal care team. 

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  • Dr.
    Wendy Robertson

    Dr. Wendy Robertson, an associate small animal veterinarian at Trumbull Animal Hospital,already knew as a ten-year-old growing up in Ridgefield, CT, that being a vet was her dream.That’s the year she became involved with the local dog shelter and a non-profit cat rescueorganization. From her volunteer work there with homeless dogs and cats, her true passion anddesire to become a veterinarian sprang.Early on her mother warned her that veterinary medicine is not an easy job of “playing withkittens and puppies all day.” Taking hold of that challenge, Dr. Robertson found a localveterinarian who allowed her to volunteer in his practice at the age of 14. She has worked insmall animal veterinary practice ever since.After her growing up years in Ridgefield, Dr. Robertson moved to Virginia during high schoolfollowed by undergraduate studies in microbiology at Virginia Polytechnic Institute and StateUniversity (VA Tech). 

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  • Dr.
    Katherine Tarsi, DVM

    Dr. Tarsi grew up in upstate New York and graduated with commendation from the University of Glasgow School of Veterinary Medicine. She has a special interest in the human-animal bond and a passion for helping people take the best care of their pets. She had the pleasure of participating in the foundation of a program to assist homeless owners take care of their dogs while at Glasgow. Her other interests include diagnostic imaging and soft tissue surgery. Dr. Tarsi lives at home with her husband Grant, her daughter Eloise and their 12-year-old Brittany Spaniel named Hunter.

  • Dr.
    Melissa DeFabrizio

    Dr. De Fabrizio attended Rhodes College in Memphis, TN where she obtained her Bachelor of Science in biology while also volunteering at local animal hospitals and shelters. She worked as a veterinary assistant in her hometown of Toronto, Ontario before attending Tufts University, where she received her doctorate in Veterinary Medicine.

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  • Dr.
    Danielle DeMatteo, DVM

    Dr. Hellthaler grew up in Trumbull, CT before attending Stockton University in New Jersey, where she graduated summa cum laude with a Bachelor of Science in biology. During school breaks, she worked as a veterinary assistant, and also coached gymnastics at the local YMCA. She then went on to pursue her Doctorate of Veterinary Medicine from the University of Missouri. After graduating she moved back to Trumbull, where she now lives with her cat, Maya.

  • Dr.
    Rachel Finneson, DVM

    Dr. Finneson was born and raised in Stamford, CT. She graduated from theUniversity of Connecticut with a Bachelor’s of Animal Science in 2016. She went on to attend Ross University School of Veterinary Medicine on the beautiful island of St Kitts. She completed her clinical training at OregonState University while enjoying the hiking and scenery the PacificNorthwest has to offer. She graduated with her DVM in 2020 and returned back to Connecticut with her two rambunctious Kittitian Coconut Retrievers, Steve, and Lily. She has a special interest in oncology, pathology, and shelter medicine. In her downtime, she enjoys reading, cooking, and traveling.


Read What Our Clients Say

  • "Dr. O and staff are wonderful. Everyone takes the time to listen to concerns and truly care for their patients."
    Carol K.- Trumbull, CT
  • "Great doctor and nurses. Made my new puppy feel like he was home. I won't have an issue getting him back here!"
    Matthew S

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Office Hours

Our Regular Schedule


8:00 am-7:00 pm


8:00 am-7:00 pm


8:00 am-7:00 pm


8:00 am-7:00 pm


8:00 am-5:00 pm


8:00 am-1:00 pm