New clients will receive a Free first exam valued at $71.00.

New clients must mention this offer when booking your first appointment.

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Welcome to Trumbull Animal Hospital

Your Veterinarian in Trumbull,
CT Call us at (203) 268-6231

Check out the boarding menu option to see our newly renovated boarding facilities!

Pet Emergency? Read no further and call us right away!

Welcome to Trumbull Animal Hospital.  We have been proudly serving Trumbull and the surrounding area for over 40 years.  Our goal is to provide the best patient and client care possible.  We are a full service veterinary hospital.  Our caring doctors and staff are trained and equipped to handle anything from routine wellness exams to walk-in emergencies. 

Trumbull Animal Hospital has the capacity to perform wellness appointments, vaccines, routine and emergency procedures, in house blood analysis, radiographs and many other diagnostics.  We also provide nail trims, kenneling facilities and bathing of animals.

We, at Trumbull Animal Hospital, are passionate about the service we provide to the community.   We treat dogs and cats, as well as a variety of other species.  We strive to provide a safe, calm environment no matter what type of patient walks through our door.

Please feel free to contact us at (203) 268-6231 to make an appointment or to inquire about the hospital or its services.

For other contact information or directions, please check our Contact page.

To learn more about the services the hospital provides, please view our Services page.

To meet our doctors and staff, please select the About Us tab and click on Meet Our Team.


At Trumbull Animal Hospital, we treat you and your pets like family.

Dr. Ian Ostrover, DVM

Dr. Wendy Robertson, DVM

Dr. Melissa DeFabrizio, DVM

Dr. Vickie Carmella, DVM

Dr. Danielle Hellthaler, DVM

       Dr. Katherine Tarsi, DVM

  • Dr. Danielle Hellthaler, 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. 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.

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  • 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.
    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.
    Vickie Carmella

    Dr. Carmella, known by clients and staff as Dr. Vickie, grew up in Fairfield County prior to matriculating at Wheaton College (MA), where she majored in Psychobiology with a double focus in Environmental Studies and Anthropology. Dr. Vickie graduated Magna Cum Laude from Wheaton College and was awarded the Julia Lange Fellowship for excellence in Science. She then continued to pursue her Doctorate of Veterinary Medicine from Ross University and completed her clinical studies at Auburn University, a premier referral University. 

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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