North Shore Animal Hospital 50th anniversary logo

Welcome to 

North Shore Animal Hospital

located in Caledonia at

4630 Douglas Ave. / Hwy 32

Serving clients and their pets 

in Caledonia/Racine


and surrounding areas 

since 1970.

North Shore Animal Hospital Racine Wisconsin

                Call us at (262) 639-7500     

After Hours Pet Emergency? Click Here!

Through our relationships,
we help our patients 

live longer and healthier lives.

We have been serving pet parents in the Caledonia, Racine and the surrounding areas for more than fifty years. We strive to treat our clients the way that we would like to be treated and our patients as if they were our own pets. North Shore Animal Hospital is a full-service veterinary hospital, providing  complete diagnostics including;  in-house  laboratory,  digital radiography and digital dental radiography.  We also offer cO2 surgical and therapy laser for our patients.

We are here to provide you with the services and resources that will enable you  to keep your pets happy and healthy.

Pet Surgery

CLICK HERE to learn more about our surgical procedures and protocols.

If you have any questions, please call us at: 

(262) 639-7500  

  or email us at: [email protected]           

          We also welcome you to subscribe to our newsletter, created especially for pet parents by using the Sign Up below.

Pet Dental

CLICK HERE to learn more about our dental procedures and protocols.

At North Shore Animal Hospital, we treat your pets 

                        like the valued family members that they are.

Dr. Thomas Torhorst

 Dr. Linda Axnick 

Dr. Todd Whitney

Dr. Heidi Jahn

 Dr. Al Arbas

   Dr. Deb Hollis

 North Shore Animal Hospital | 262-639-7500  |  FAX: 262-639-7658

4630 Douglas Ave. Caledonia, WI  53402

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We are proud to implement the following benchmarks in order to provide your pet with the highest level of care.

Meet the Doctors

at North Shore Animal Hospital

  • Dr.
    Deb Hollis

    Education: UW-River Falls, University of Minnesota-College of Veterinary Medicine 

    Dr. Hollis grew up in the Twin Cities and graduated from The University of Minnesota in 1998 with a degree in Veterinary Medicine. She moved shortly after that and began her career working with horses. For the past nineteen years she has worked at Small Animal Veterinary Hospitals in SE Wisconsin and enjoys creating bonds with clients and their furry family members. 

    She has many dogs, cats, goats, chickens horses and a mini donkey. Besides caring for her own furry and feathery critters, she also enjoys being outdoors with her family, camping and trail riding with her horses.
    Dr. Hollis has many passions when it comes to her position as a Veterinarian including Feline and Canine Dentistry. She also loves counseling families with new kittens and puppies to ensure that they have a good start in life as well as helping senior pets live the longest, healthiest and happiest life possible.

  • Dr. Linda
    Veterinarian and Co-Owner


    • UW-Madison
    • UW-Madison college of Veterinary Medicine

    As part of the NSAH team since 1999, Dr. Linda Axnick enjoys practicing preventative medicine as well as performing surgery. Along with her husband Dr. Whitney, she spends much of her free time participating in dock diving and agility with their four Retrievers.

  • Dr.
    Todd Whitney
    Veterinarian and Co-Owner

    Education:  UW-Madison

    UW-Madison College of Veterinary Medicine

    Dr. Whitney joined the North Shore Animal Hospital Team in August of 2012 when he became a co-owner with his wife Linda, who is also a Veterinarian here at North Shore Animal Hospital. 

    Dr. Whitney is from Green Bay and graduated from UW Madison in 1995 with a degree in Veterinary Medicine. One of his favorite things about working at North Shore Animal Hospital is educating clients regarding pet health and especially helping new puppy and kitten parents with behavior training to give them a happy start. When Dr. Todd isn’t spending time with NSAH patients, he enjoys spending time with his wife Linda and their four dogs; Pink, Skye, Effie and Duncan. They travel around Wisconsin and the country competing in (and winning) Canine Agility and Dock Diving Competitions with their dogs.

  • Dr.
    Heidi Jahn


    • UW-Madison
    • UW-Madison College of Veterinary Medicine

    Dr. Heidi Jahn has been with NSAH since 1991. She has a special interest in internal medicine and working up complicated cases. She loves her patients and they love her back.

     Dr. Jahn received her degree from the University of Wisconsin with the second graduating class in the School of Veterinary Medicine. She has been a Veterinarian since 1988 but has been keeping North Shore Animal Hospital patients happy and healthy since 1991!

    When Dr. Jahn isn’t giving lots of attention and TLC to our client’s pets, she has five cats of her own that she enjoys spoiling and spending time with her two senior cats; Bucky, Esme and four year old feline twins, Gilley and Roarke. She also enjoys traveling, photography and spending time at the lake hiking, swimming and lots of book reading.

  • Dr.
    Al Arbas


    • Purdue College of Veterinary Medicine

    As part of the North Shore family since 1992, Dr. Arbas currently works part time and enjoys educating our clients on the importance of preventative medicine, wellness exam and vaccines.  When he isn't helping keep our patients healthy, Dr. Arbas enjoys cooking, golfing and being outdoors, fishing and traveling with his wife, Anne.

  • Dr.
    Tom Torhorst
    Veterinarian and Founder of North Shore Animal Hospital


    • UW-Madison
    • Michigan State University College of Veterinary Medicine
    • Dr. Torhorst is the founder and former owner of North Shore Animal Hospital. He sold the practice in 2012 and still works part-time, performing surgeries at NSAH.

    • Dr. Torhorst was born in Burlington and has been an important member of the community and has been with North Shore Animal Hospital for over five decades!  Dr. Torhorst graduated from UW- Madison with a degree in Economics and then went on to receive his degree in Veterinary Medicine from Michigan State University in 1968. (UW-Madison did not have a Veterinary School at the time).
    •  In 1972 he became a Veterinarian at the Racine Zoo where he worked until 1997.  He was the Zoo Director and President of the local Zoological Society for several years and also became a Wildlife Rehabilitation Veterinarian. It wasn’t unusual to see wildlife and zoo animals, such as; Fox, Bald Eagles. Deer, Leopards and Ostriches at the clinic back then.
    •  Dr. Torhorst also performed many surgeries for injured wildlife and zoo animals, including a c-section on Bonnie, the zoo’s famous White Tiger. 
    • Dr. Torhorst and his wife, Jeanne have three sons and nine grand kids, a retriever named Annie and a cat named Tebs. Their home also doubled as a nursery for Orangutans, Fawns, Lion Cubs and many other furry babies that needed extra TLC and rehabilitation.


Read What Our Clients Say

    "The staff are always very good- friendly, caring and efficient and always follow up to see if there are any questions or new developments. I always feel that my pets are both well cared for and cared about. Thank you for all of your help."

    Scott Farnsworth

    For a first time Dog owner, I am extremely grateful that the clinic answers all of our questions and ensures our puppy is growing in a healthy manner. All of the staff are nothing short of Wonderful!

    Andy Donovan

    North Shore's staff is extremely friendly and knowledeable. They go above and beyond to make their furry patients feel safe and calm. My dog is extremely cooperative and happy while she is in their care. I highly recommend their services.

    Erica Frazier

    We have been coming to North Shore for at least 15 years. Our cats have always been treated with respect and kindness. From the moment we step through the doors, we are treated as guests!

    Terry Preischel

    As a new pet owner, I had lots of questions. The staff answered all of my questions. The staff was so friendly and kind to myself, dog and children. I was expecting to feel uncomfortable as a new pet owner, but my first visit was beyond my expectations.

    Erica Pie

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Our Regular Office Hours

Hours are subject to change. Please note: We are closed most major holidays.

North Shore Animal Hospital


8:00 am-6:30 pm


8:00 am-6:00 pm


8:00 am-6:30 pm


8:00 am-6:30 pm



8:00 am-5:00 pm



8:00 am-12:00 pm