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Hours of Operation

Monday - 7:30 a.m. to 7:00 p.m.

Tuesday - 7:30 a.m. to 6:00 p.m.

Wednesday - 7:30 a.m. to 6:00 p.m.

Thursday - 7:30 a.m. to 7:00 p.m.

Friday - 7:30 a.m. to 6:00 p.m.

Saturday - 7:30 a.m. to 2:00 p.m.


Clark Veterinary Hospital is closed in observance of the following holidays:

  • New Year's Day
  • Memorial Day
  • July 4th
  • Labor Day
  • Thanksgiving Day
  • Christmas Day


(860) 434-1763


445 Shore Road
Old Lyme, CT  06371


View Larger Map


  • Take Interstate 95 to Exit 71 (Four Mile River Road)
  • At the top of the ramp, take a left
  • Continue straight down the road until the 3-Way stop sign
  • Straight through (RT. 156)
  • Approximately 200 yards on the left is Clark Veterinary Hospital


Emergency Information

Clark Veterinary Hospital is not a 24 hour facility; there is usually a doctor on the premises from 9:00 am to 7:00 pm Mondays and Thursdays, 9:00 am to 4:30 pm Tuesdays and Fridays, 9:00 am to 6:00 pm on Wednesdays, and 9:00 am to 2:00 pm on Saturdays.

If you have an emergency situation when no doctor is available, there are three places you can call to obtain medical services.

Pieper Memorial Veterinary Center located at 730 Randolph Road, Middletown, CT; phone number 860-347-8387. This facility is open 24 hours a day, 365 days a year, with an experienced veterinary team on the premises at all times.

VETS (Veterinary Emergency Treatment Services) located at 8 Enterprise Lane, Oakdale, CT; phone number 860-444-8870. This facility is open from 5:00 pm to 8:00 am, Monday through Thursday, and over the weekend from Friday 5:00 pm to Monday afternoon at 12:00 pm.

Ocean State Veterinary Specialists located at 1480 South County Trail East, Greenwich, RI; phone number 401-886-6787. This service is open seven days a week, 24 hours a day.

Poison Control

Animal Poison Control Center/ASPCA

24 Hour Emergency Service
Phone number: (888) 426-4435

Note: A consultation fee may apply when you call the hotline and will be charged to your credit card.

Pet Poison Helpline

24 Hour Emergency Service
Phone: (855) 886-7965

Note: Please be advised there is a per incident fee.

Clark Veterinary Hospital • Kathy Clark DVM • 445 Shore Road • Old Lyme, CT 06371 • (860) 434-1763
2008 Clark Veterinary Hospital. All rights reserved.