Waunakee Veterinary Service

Waunakee Veterinary Service is a primarily food animal veterinary practice. We are dedicated to providing an array of services to help producers of all sizes maximize their herd’s health, productivity, and profitability while promoting animal welfare, food safety, and biosecurity

1924 - Dr. O.A. Otteson founded the mixed animal Waunakee Veterinary Clinic 1954 - Dr. Lloyd Otteson formed a partnership with his father after completing his veterinary studies 1961 - Dr. Ted Poelma joined the practice when Dr. O.A. Otteson retired 1974 - Dr. Stephen Sash joined the practice 1974 - Waunakee Veterinary Clinic purchased the Middleton Veterinary Clinic to expand their practice area 1978 - Dr. Robert Klostermann joined the practice 1979 - Dr. Ross Mauer joined the practice 1981 - Dr. Tom Cameron joined the practice 1982 - Waunakee Veterinary Clinic founded the Deforest branch of practice 1984 - Karen Lange joined the practice as the first Certified Veterinary Technician 1985 - Dr. Sandra Larsen joined the practice 1987 - The doctors separated their practice internally where the small animal veterinarians served only small animal clients and the large animal veterinarians served only large animal clients 1988 - Dr. Jeffery Loomans joined the practice 1991 - Dr. Barry Kleppe joined the practice 1995 - Waunakee Veterinary Clinic formally separated into the following entities: Dr. Sandra Larsen continued with Waunakee Veterinary Clinic and served small animal; Dr.’s Sash, Kleppe, Loomans, and Mauer formed Waunakee Veterinary Service and served large animal. They continued to share the West Main Street building with Waunakee Veterinary Clinic; Dr. Klostermann took over what is today known as Middleton Veterinary Hospital and served small animal; Dr. Cameron took over what is today known as Deforest Veterinary Clinic and served small animal 2003 - Dr. Shane Schweppe joined the practice 2007 - Dr. Johnie Ambrosy joined the practice 2008 - Dr. Andy Grapa joined the practice 2010 - Waunakee Veterinary Clinic left the West Main Street building and moved across town to their current location 2018 - Dr. Eric Rohner joined the practice when Dr. Mauer retired 2021 - The building on West Main Street was sold and Waunakee Veterinary Service moved to their temporary home on West Street 2020 - Dr. Jeffery Loomans retired 2022 - Dr. Leah Statz and Janelle Bruner joined the practice 2023 - Waunakee Veterinary Service moved out of town to their new location on County Highway V

Mission — Waunakee Veterinary Service is a primarily food animal veterinary practice. We are dedicated to providing an array of services to help producers of all sizes maximize their herd’s health, productivity, and profitability while promoting animal welfare, food safety, and biosecurity