We are a small team of talented professionals with a wide range of skills and experience. We love what we do, and we do it with passion. We look forward to working with you.

Dr. Randy Zelent

Veterinarian, Co-owner

Dr. Randy received his Doctorate of Veterinary Medicine from the University of Ilinois, Champaign-Urbana in 1982. He has been a member of the Merrill community for over 30 years. He was attracted to the Merrill because of the opportunities for outdoor activities and to raise his 3 daughters, Caroline, Anna, and Alex. He enjoys spending time with family and friends, biking, hiking, gardening, fishing, canoeing, skiing, just about anything that gets him outside. Randy and fiance Cathy have two dogs, Bella, and Bennie and a cat Jerry.

Dr. Cassey Krueger

Veterinarian, Co-owner

Cassey obtained her Doctorate of Veterinary Medicine degree from the University of Wisconsin-Madison School of Veterinary Medicine in 2014. Dr. Cassey is originally from Merrill and is excited to be back to practice in her hometown. Dr. Cassey and her husband Brian have one child Dane and share their home with 2 German Shorthair Pointers, Flüg, and Hündly, a horse, Smoke, a cat, Tessa and some chickens. In her free time, she enjoys biking, running, flying with Brian, and gardening.

Dr. Chavalin Chadwick


Dr. Chavalin obtained her Doctorate of Veterinary Medicine from the University of Wisconsin -Madison School of Veterinary Medicine in 2012, and has worked in the Wausau area since. Dr. Chava and her husband Shawn have two children, Rylan and Kayden, and share their home with one Labrador Retriever, Willow, and three cats, Lightening, Snowball, and Skittles. In her free time Dr. Chava enjoys spending time with her family – taking the boys to all of their various sporting events, as well as spending time outdoors gardening, fishing and boating.

Amy Rakow

Certified Veterinary Technician

Amy graduated from Madison Area Technical College in 2004, and has worked in the Wausau area since. In her free time Amy is an avid reader, enjoys gardening, traveling, knitting, and spending time with her family. She is owned by one cat, George.

Kristina Boquist


Kristina has been with Merrill Vet since 2004. She grew up in Merrill and now lives in Gleason with her husband Aaron, daughters Emma and Ally, their dog Bella, and two cats Mitzie and Vanilla Bean. She enjoys spending time with all family and pets, camping, and enjoying the beautiful outdoors.

Trisha Spransy


Trisha has been a member of the Merrill Vet team since 2008. She shares her home with her son Mason, and fiancé Chris. In her free time she enjoys fishing, boating, playing with her son, and singing. Trisha has two cats Kiki and Cora.

Mallory Wise


Mallory has been at the Merrill Veterinary Clinic since July of 2012. Her hobbies outside of work include hunting, fishing, crossfit, shopping and watching movies. She is married to Greggy and mom to Cam. Mallory also shares her home with 3 dogs and 2 cats, Brenna, Hiccup, Gracie Lou, and Elliot and Tilli.

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