Our caring and compassionate veterinary care team!

Meet the Veterinarians & Team of Kimball Animal Hospital in Clawson! We’re pleased to provide exceptional vet care for your pets! Please call us at 248-288-1100 to speak to one of our caring veterinary staff members!

Jason Rivas, DVM

Veterinarian & Owner
Dr. Jason Rivas graduated from the Michigan State University College of Veterinary Medicine in 2003. A few years after graduation, he started his own business as a relief veterinarian. He performed relief at Kimball Animal Hospital first in2008, became a full-time associate in 2013, purchased the practice in 2014, and doubled the hospital size with an expansion in 2018.

He enjoys practicing general veterinary medicine and surgery; and creating fun, educational videos. In his spare time, he enjoys reading books, watching movies, family tree research, and the occasional video game. Dr. Rivas lives in Ferndale with his wife, Cassandra; their son Theodore; dog- Frankie-Loo; and cats- Charlie, Hugo, Poppins, and Strax.

Thomas Watson, DVM

Dr. Watson is a graduate from Michigan State University where he studied Veterinary Medicine and graduated in 1992. Dr. Watson has been practicing medicine for 30 years, which is where he and Dr. Rivas had crossed paths while working together at previous veterinary hospitals. Dr. Watson enjoys reading continuing education topics that he shares with staff and clients. He lives at home with pet cats and has 3 college aged children.

Abby Zasadny LVT, BHSA

Practice Manager
Abby has been a Licensed Veterinary Technician for over 14 years and completed her bachelor’s degree in Health Service Administration from Baker College in 2013. Abby was part of the Kimball Animal Hospital team years back as a technician, and has now re-joined the team as the Practice Manager. She has experience in preventive and emergency veterinary care, teaching, medical diagnostic equipment support and management.Abby lives at home with her husband Matt and 2 year old son Oliver. They are blessed with a house full of critters including their 15 year old chihuahua “Stoli”, 9 year old chihuahua/fox terrier “Jalapeno”, 4 year old chihuahua/papillon “Sake”, 1 year old pitbull/shih tzu “Nelson”, 16 year old cat “Jager” and Leopard Geckos“Jack & Coke”. In her free time Abby enjoys spending time with friends and family. Abby’s future goal is to continue to make Kimball Animal Hospital feel like home to staff, clients, and their fur kids.


Office Administrator 

Lisa has been at Kimball Animal Hospital since December of 2018. She has over 8 years of experience working in the customer service field. She has 2 Associate Degrees in General Business and Business Management. In her free time, she enjoys spending time with her fiancé Rick, their husky Ghost, and their two cats Cookie and Luna Petunia. In her spare time, she enjoys going to concerts, movies, gaming, listening to one too many true crime podcasts, going up north, and she loves to go kayaking in the summer with her friends.


Licensed Veterinary Technician
Kat is a 2020 Baker graduate and LVT. Kat started as an assistant at Kimball. Kat has one rescue cat currently and is excited to help care for many more.


Veterinary Technician
Lauren has been working at Kimball Animal Hospital since August of 2020. She came in with only 2 years experience from a boarding and groom facility and a love for animals but with a heart to learn. She went to Macomb Community College and graduated from the Approved Veterinary Assistant program in the Spring of 2021. Lauren is currently in the veterinary technician program at Penn Foster and is now one of our Veterinary Technicians!

When she is not working, Lauren loves to spend time with her black lab named Koda. She also loves to spend as much time as she can with family, friends and her boyfriend.


Licensed Veterinary Technician
Kelli graduated from the Veterinary Technician Program at Macomb Community College in 2010. In addition to her LVT credentials, she also has an Associates degree in Applied Science and General Studies. Kelli joined the Kimball team in April of 2020, during the COVID-19 pandemic as a relief technician. She enjoyed being a part of our team so much, that she has continued to stay on as one of our technicians. When she is not working, Kelli enjoys spending time with her family. Her interests and hobbies include figure skating, dancing, and traveling.


Licensed Veterinary Technician
Tamra Jane is a 2011 graduate from Wayne County Community College’s veterinary technician program, and taught in the same program until it was sadly closed down. Tamra is happily married, with 3 two legged children, and 2 four legged fur kids. In her spare time she enjoys camping and spending time with her family.


Veterinary Technician

Bio and picture coming soon!


Licensed Veterinary Technician

Bio and picture coming soon!


Head Veterinary Assistant
Mike has been working in the animal field for 7 years and grew up with several animals in the house to always maintain a basic knowledge of care. While a part of the Kimball team, he hopes to further his education and make current and future clients as happy and comfortable as possible.


Veterinary Assistant
Kim has been a part of the Kimball family since 2020 and is very happy to be back in the veterinary field. She enjoys cooking with her husband and looks forward to having another fur baby of their own.


Veterinary Assistant
Megan joined the Kimball team in June of 2021. She has worked in the veterinary field for over 2 years and has worked with animals of all different species for over 8 years. This busy girl also works at a safari park during the summer months. When she is not working, she is cuddled up with her 3 dogs Loki, Boomer, and Sadie. She enjoys reading and going on long hikes with Loki. She is currently in the veterinary technician program at Penn Foster.


Veterinary Assistant

Bio and picture coming soon!


Veterinary Assistant

Kira has worked in the health care field for both humans and animals for 4 years. Kira knew from a young age that helping others was her calling. Outside of work, she enjoys the outdoors, travelling, and spending time with her 2 cats Marley & Lester.


Client Care Representative
Jane joined the Kimball team in 2017. She shares her home with her husband and two English Labrador Retrievers, Sparty and Kedzie. Jane has a son in the Air Force, a daughter in Law School, and a son-in-law attending U of M. Jane enjoys quilting, reading, and spending time with family, both furry and human.


Client Care Representative
Melanie is a graduate of Oakland University with a Bachelors of Human Resources with a specialization in Human Services. Her home is very busy with a husband, 3 kids, her rescue dog Daisy and 4 rescued feeder mice. In her very small amount of downtime, she likes to spend it volunteering for a dog rescue.


Client Care Representative
Fox recently joined the Kimball team in the fall of 2021, and has always loved animals of all kinds. Since graduating from Eastern Michigan University in 2018, Fox has enjoyed working in administrative and customer service roles. In their free time, Fox enjoys playing video games and board games, working with textiles, spending time outside, and listening to podcasts.


Client Care Representative

Bio and picture coming soon!