Meet Our Team

  • Mark Hein, DVM
    President

    University of Madison School of Veterinary Medicine Charter Class 1987

    Dr. Mark Hein is a graduate of the “Charter Class” of University-Wisconsin School of Veterinary Medicine and works closely with this group on referrals in chemotherapy, orthopedics, and ophthalmology. He was the first veterinarian to offer laser surgery to pet owners in the La Crosse area as an alternative to more painful conventional surgeries. Dr. Hein also founded the Onalaska-based PETCO walk-in clinics in 1995, where clients may see a veterinarian during evening hours without an appointment. He enjoys orthopedics, archery, and organic farming.

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  • Chris, Groomer

    Chris has been grooming at our facility since 2001. Prior to grooming, she worked with us as a doctor assistant. She grew up in Holmen and comes all the way from Rushford to join us. Chris enjoys grooming her own pets when she is not attending to her three beautiful children.

  • Elissa Przywojski

    .

  • Lauren .

    Is a fourth-year undergraduate student at UW La Crosse. She is studying to become a Veterinarian and is originally from North Carolina and recently moved to Green Bay. In her free time Lauren enjoys playing sports, outdoors and making friends. Laurens perfect day would be a weekend by the lake with her family. 

  • Ellie .

    An Alaskan transplant that has twenty years' experience working with animals large and small. She is a certified Humane Officer and Rabies trained. She has rehabilitated wildlife from Alaskan predators, bobcats, seals, and plenty of raptors down to the tiny Wisconsin opossums' orphans. 

    Ellie is owned by two large dogs, and a pigeon that she rehabilitated and released two years ago. The pigeon 'Buddy 'although released with two siblings into the wild has decided E/lie is the bee's knees. Buddy has moved twice; following Ellie wherever she goes. 

  • Max .

    Max is one of our mascots here at Van Loon Animal Hospital. Max is a Long-haired brown tiger cat. You can find him lounging around the yard or sprawled out on the counter silently judging everyone. 

  • Jackson .

    Jackson is Dr. Hein's Loyal steed. He can be found carrying a dog bowl begging you to put treats inside of it. He is very food motivated but so is the rest of the staff. 

Contact Us

We look forward to hearing from you

Location

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Office Hours

Our Regular Schedule

Holmen Office

Monday:

7:30 am-5:00 pm

Tuesday:

7:30 am-5:00 pm

Wednesday:

7:30 am-5:00 pm

Thursday:

7:30 am-5:00 pm

Friday:

7:30 am-5:00 pm

Saturday:

Closed

Sunday:

Closed