About Us

About Our Animal Hospital in Glastonbury, CT

For many of us, we think of our pets as members of the family. That being said, we’ll do anything to make sure they’re healthy and out of harm's way. Here at Glastonbury Animal Hospital, we also treat our patients as members of our own family. Every single day, we strive to remedy their illnesses, heal their injuries, and prevent complications from overtaking their health. That’s why we’re the most trusted animal hospital in the Glastonbury, CT, area. Keep reading to learn more about our animal hospital, our staff, and how we’re the place to go to for extraordinary pet care in the area. 


Meet Our Team

We are proud to have a team of caring veterinarians who love pets. We take pride in helping pets every day, and our expertise in the field makes us a dependable pet care provider. Meet some of our team members below.

Robert P. Cotthaus, DVM

Dr. Cotthaus is a Long Island native and a graduate of the University of Illinois College of Veterinary Medicine. Dr. Cottahaus has many great qualities, but he is particularly interested in working with laboratory animals in research, and he even often consults in the Biotechnology industry. He enjoys spending time on the mountain skiing or on the beach soaking in the sun with his two dogs, wife, and four children.

Barry H. Marsh, DVM

Dr. Marsh is a graduate of the Ohio State University College of Veterinary Medicine and grew up in West Hartford. He is a long-time member of our veterinary practice and has been here since 1997. Dr. Marsh has a vast knowledge and expertise in the field.

Ellyn S. Kirk, VMD

Dr. Kirk graduated from the University of Pennsylvania College of Veterinary Medicine and has loved working for us since joining Glastonbury Animal Hospital.

Griffin B. O'Connor, DVM

Dr. O'Connor is a Suffield, CT, native, and she attended Ross University in 2007 after completing her clinical training at Virginia-Maryland Regional College of Veterinary Medicine. She has been with our office since 2007, and she brings expertise to our animal hospital. 

Veterinary Services

One reason we’re the best animal hospital in the area is that we have impeccable services. Take a look at the many services our veterinarians provide:

  • Preventative care
  • Diagnosis and treatment
  • Emergency care
  • Dentistry solutions
  • Boarding services
  • Surgeries
  • Spay and neutering

Rely on Our Veterinarians in Glastonbury For All Pet Needs

If you’re looking to treat your pet’s sickness or want to schedule a routine checkup for it, then our veterinarians in Glastonbury would be happy to help. Contact Glastonbury Animal Hospital today at 860-633-8394 to make an appointment.


Business Hours


8:00 am-6:00 pm


8:00 am-6:00 pm


8:00 am-6:00 pm


8:00 am-6:00 pm


8:00 am-6:00 pm


8:00 am-12:00 pm