Animal Health Services

Animal Health Services We are a Small Animal Hospital, caring mainly for cats and dogs. In 1997 Dr. Marcie Toles became the new owner and sole practioner of the hospital.

Established in 1975 by Dr. Carl Croy and his wife Dr. Anne Croy Animal Health Services has been proudly serving the community for over 30 years. Dr. Toles practices with compassion, devotion, and a fervent dedication to constant self improvement. We endeavour to provide the highest standard of care for our patients and we look forward to helping your beloved pets live a long, happy, and healthy life.

Our little office dog Eli ❤️
05/15/2026

Our little office dog Eli ❤️

Hercules first vet appointment with us!! He was very brave 💪🐾
05/13/2026

Hercules first vet appointment with us!! He was very brave 💪🐾

We are proud of Cali and her hard work!! 💪💪💪Cali has been exercising a little bit more and counting her calories to help...
05/11/2026

We are proud of Cali and her hard work!! 💪💪💪
Cali has been exercising a little bit more and counting her calories to help get her weight down to live a more comfortable and less painful lifestyle! Cali’s owners have been working hard to help her be her best self. Call us today to discuss your pet’s weight and we can help with goal setting and calorie planning for their ideal weight!

Remind of our clinic hours this week. If you require a refill of food or medication we would recommend calling before Tu...
05/11/2026

Remind of our clinic hours this week. If you require a refill of food or medication we would recommend calling before Tuesday at 12pm to ensure it arrives before the holiday weekend. Enjoy your weekend everyone! 🐾

⚠️ Heartworm is here in Ontario — and it’s closer to home than many people realize.This blood film shows microfilaria (b...
05/08/2026

⚠️ Heartworm is here in Ontario — and it’s closer to home than many people realize.

This blood film shows microfilaria (baby heartworms) from a heartworm-positive dog born and raised in Northumberland County. No travel history. No southern rescue. Just a local Ontario dog exposed through mosquito bites. 🩸

Heartworm disease is caused by parasites spread by mosquitoes and can lead to serious heart and lung damage in dogs. The scary part? Many infected dogs show few or no signs until the disease is advanced. 🫀

The good news: heartworm is preventable. Monthly prevention and routine testing are the best ways to protect your pets.

As mosquito season approaches, now is the perfect time to make sure your dog is up to date on their heartworm prevention and annual screening. 🦟🐶❤️

Moose sitting like a handsome young man for his check up today!
05/06/2026

Moose sitting like a handsome young man for his check up today!

Out with the old…. and in with the NEW!! We’ve got a new look 😎😎
05/06/2026

Out with the old…. and in with the NEW!! We’ve got a new look 😎😎

Exciting news and our recent visitor is running to the phone to let you know‼️ We are upgrading our store front sign!! 🥳...
05/05/2026

Exciting news and our recent visitor is running to the phone to let you know‼️ We are upgrading our store front sign!! 🥳🥳 For today please arrive and use our back door to enter through the clinic‼️

We are celebrating Sunny and her family this month! We are so proud of the hard work Sunny has been doing to live a more...
04/17/2026

We are celebrating Sunny and her family this month! We are so proud of the hard work Sunny has been doing to live a more active and more comfortable lifestyle! Sunny is halfway to her goal weight in just two months!

Petunia, Mali and Walter are some of our recent visitors!!!
04/15/2026

Petunia, Mali and Walter are some of our recent visitors!!!

Address

298 Lake Street
Saint Catharines, ON
L2N4H2

Opening Hours

Monday 8am - 8pm
Tuesday 8am - 8pm
Wednesday 8am - 8pm
Thursday 8am - 8pm
Friday 8am - 5pm
Saturday 8am - 2pm

Telephone

+19059350442

Website

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