A righteous man has regard for the life of his pet. Proverbs 12:10

Veterinary Clinic,

Call now 905-669-9758


Serving the community for over 37 years




About Us

Dr. Keith Simpson (DVM)


Graduated from the OVC (Ontario Veterinary College) in 1971, and has over 40 years of experience with small animals. He has owned and operated two successful small animal practices, one in which he is currently a partner with at Simpson Veterinary clinic. Outside of work Keith keeps busy in cottage country where he is able to unwind from the busy city. He enjoys a variety of activities such as Para- sailing, boating, and knitting, babysitting his granddaughters, as well as traveling to Mexico to visit with his son. You will occasionally find Keith coming into work in his vintage car classic or on his motorcycles.

Dr. A Mankarious (DVM)


After Dr. Mankarious's graduation, in 1990 he worked at several small animal hospitals in different countries in which he lived.

When Dr. Mankarious came to Canada he joined the Veterinary Skills Training and Enhansment  program (2006) at the University of Guelph, where he graduated first in his class in small animal medicine. Dr. Mankarious started his career in Canada as a full time emergency veterinarian for 6 years, going back and forth between Ottawa Vet. Hospital and North Town Vet. Hospital where he gained tremendous knowledge and a lot of experience.

In 2008 Dr. Mankarious established his first veterinary clinic ( Wycliffe Village Vet. Clinic) then in 2011 he  acquired his second office in Concord ( Simpson Vet. Clinic) where he could practice the quality service he always strived towards.

For pleasure,

Dr. Mankarious spends his spare time with his wife Mary, son Cyril and daughter Silvie who are both aspiring veterinarians.

Also Dr. Mankarious treasures the company of his beloved family members- Gnar the Pom poodle, the cats Lindor and Molly and the African parrot Joey.

Dr . Mankarious received his diploma in theological studies from the University of Divinity In March 2019.  Dr. Mankarious’s major centred on the Old Testament and understanding the Book of Isaiah.



Laura has been working part-time at Simpson Veterinary Clinic since October 2002. Along with being an employee at the clinic, Laura has been working with and walking dogs since June 2003, and was an employee at a Pet Valu store for several years. During this time she also attended Seneca College at York and has graduated from both Digital Media Arts and Independent Digital Photography. Currently Laura works at the clinic on Saturday mornings and helps care for the animals being boarded. An avid animal lover, she is happy to share her home with two loving dogs, Rio (a 12 year old bichon/poodle) and Eko (a 1 year old havanese/poodle) and four happy and noisy budgies, Iggy Pop, Juno, Ripley and Zeppelin.

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Serena started volunteering at Wycliffe Village Veterinary clinic in 2016 and now works part-time during the summers. Throughout the rest of the year, she studies animal biology at the University of Guelph in hopes of one day becoming a veterinarian. Serena has a strong passion for animals and loves getting to know all the furry faces that come into the clinic. When she is not working or at school, Serena enjoys spending time with her slightly fat rescue beagle-mix, Daisy, as well as her hamster, Lucky.



Sabrina has been a dedicated employee of Simpson Veterinary Clinic since March 2017. She has a strong background in customer service and studied Cosmetic Management at Humber College. As a member of the team, Sabrina brings a lifelong passion for animals alongside the experience of caring for a variety of pets at home. Although she loves each of her furry friends dearly, her favorite is her 7 year old Shih-chon puppy named Cookie. Yes, that’s right-she refers to all dogs as “puppies” regardless of their age. Sabrina’s upbeat and friendly attitude combined with her dedication and love for all animals make her a fantastic member of our team.