12800 Wayzata Blvd

Minnetonka, MN 55305

Our Veterinary Team

Andrea Johnston, Owner and DVM

Dr. Andrea is a graduate of the University of MN College of Veterinary Medicine. Dr. Andrea also completed a rigorous one year post doctorate internship in Small Animal Medicine at the U of M. Her special interests include internal medicine, emergency medicine and dentistry. She enjoys working with clients to help them understand how preventive care can set their pet up for success and optimal life expectancy. Dr. Andrea and her husband both grew up in the Minnetonka area and are both graduates of Hopkins High School. Dr. Andrea and her husband have three daughters, Avery, Quinn, and Shea. Her interests include running, reading, spending time with family and pets, and cross country skiing.

Rob Memmen, Owner and DVM

Dr. Rob spent most of his childhood in Savage, MN and graduated from Burnsville High School. He completed his undergraduate training at the University of Wisconsin Madison and graduated from the University of Minnesota College of Veterinary Medicine. Dr. Rob worked in a small animal practice in South Bend, IN, following graduation and joined the GAH team as an Associate Veterinarian in 2013. Dr. Rob and Dr. Andrea became co-owners of GAH in 2017. His professional interests include dentistry, surgery, dermatology and internal medicine. Dr. Rob is passionate about preventive care and wellness care for pets and helping pets enjoy long, healthy lives. Dr. Rob and his wife live in Minnetonka with their children Elizabeth and James, dog Annie, and keep their horse Emma in Independence. Dr. Rob enjoys volunteering with organizations such as Safe Hands Animal Rescue and Big Brothers and Big Sisters. He also sits on the board of the Minnesota Veterinary Medical Association.

Bridget Monson, MHA (Hospital Administrator)

Bridget joined the Gehrman Animal Hospital team in October 2020. She is excited to be back in her home state of Minnesota, motivating and inspiring veterinary teams. She is a graduate of the University of Minnesota Carlson School of Management, with an undergraduate degree in finance and a graduate degree in Healthcare Administration.

Bridget worked in human healthcare for many years before starting at the University of Minnesota Veterinary Medical Center and BluePearl Veterinary Partners. She spent several years in California working for veterinary specialty hospitals.

Her interests include golfing, camping, and enjoying time with her two grandchildren, Bennett and Nellie. In her free time, she loves spending time with her friends and family, as well as her Bernerdoodle, Letty Lou.

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