Contact Us

Companion Animal Hospital offers a range of preventive, restorative, and emergency veterinary services for cats and dogs in Groton, New London County, Fisher Island NY, and surrounding areas.

(860) 449-9800


801 Poquonnock Rd Groton CT 06340 US

Phone & Hours

(860) 449-9800

Regular Hours

  • Monday:08:00 am - 05:00 pm
  • Tuesday:08:00 am - 05:00 pm
  • Wednesday:08:00 am - 05:00 pm
  • Thursday:08:00 am - 05:00 pm
  • Friday:08:00 am - 05:00 pm
  • Saturday:08:00 am - 12:00 pm
  • Sunday:Closed



Our vets will see urgent care and  emergency cases during our regular operating hours. If your pet is experiencing an emergency, call us immediately away.

After-Hours Emergencies


Our team will do our best to get back to you as soon as possible. If you require immediate assistance, please call us.