Dr. Ellen Richardson


Dr. Ellen Richardson was born and raised in Massachusetts and moved to Madison to attend school.  She fell in love with the Madison area, and quickly determined that Dane County is where she wanted to put down roots.  After graduating with Honors from the University of Wisconsin-School of Veterinary Medicine in 1992, she spent the next ten years mentoring with other veterinarians, until opening Mazomanie Animal Hospital in 2002.  Dr. Richardson and her husband Ken live in Cross Plains and have two school aged sons.  They share their home with three cats, (Henry, Stripes, and Bandit), and a miniature poodle, (Belle). Dr. Richardson enjoys getting to know clients and their families while providing individualized medical care to pets over their lifespan.  Her practice interests include client education, soft tissue surgery, internal medicine, and dermatology. In her spare time she enjoys gardening, reading, and kid-related activities.

Dr. Didi Heisler


Dr. Heisler has lived in Washington DC, Los Angeles, and Lawrence, Kansas, among other places. She moved to Wisconsin in 1998 and took a job as a biomedical research administrator at UW-Madison before going on to pursue her lifelong dream of becoming a veterinarian in 2006. She joined the Mazomanie Animal Hospital as a part-time veterinary associated early in 2014.She also teaches biology part-time at Madison College and Herzing University.She lives in Middleton with her husband and two school aged sons as well as their coonhound mix, Shelby and Shelby’s cat, Layla. Dr. Heisler’s practice interests include parasite prevention, dental health and oral surgery, and helping pets achieve and maintain a healthy weight. In her spare time she enjoys biking, running, and cross country skiing as well as cooking and baking.

Ellie Vanderloop, CVT & Prima


Ellie is a lifelong Wisconsin resident, growing up in Menom and receiving a Bachelors degree from UW-River Falls in Animal Science.   She completed her education at MATC in 2013 where she received her Veterinary Technician degree.  Ellie grew up being active in 4-H and Girl Scouts, and is familiar handling many species, both large and small.

Mariah Kaukl, CVT & Finn


Mariah grew up in Richland Center and received a Bachelor of Arts Degree from UW-Madison in 2007.  She then went on to complete her Veterinary Technician degree at MATC in 2013.  She has experience volunteering for Dane County Humane Society and Dane County Friends of Ferals.  Mariah shares her home in Mazomanie with her "four-legged son" Finn, a Golden/Lab Retriever Mix.  In her spare time she enjoys reading, movies, and watching Packers football with family.

Nicole Heins , Client Care Specialist & Mazie


Nicole joined our staff in 2012.  She has experience working with shelter animals at Iowa County Humane Society and also works after hours as an EMT.  Nicole and her husband have two school aged daughters, a lab named Jack and a cat named Mazie.  In her spare time she enjoys spending time with her family, reading and volunteering in her community. 

Ken Richardson, Administrator


  Ken Richardson joined our staff in 2007 to help manage our growing practice.  His experience includes over 20 years at B.J. Electric Supply in Madison, where he was a former employee and then owner/manager.  His interests when he is not solving problems at the clinic or chasing kids at home include studying literature, music, and history.


Please stop in for a tour, visit or make an appointment.  We have numerous years of experience in providing for and caring for your companion animals.