Dr. Andrew received his DVM from Kansas State University in 1989 and has co-owned Heartland Animal Hospital since 1994, with his wife Dr. Susan Kliewer.

The Kliewers find the greatest fulfillment of veterinary medicine is helping to nurture the bond between pets and their owners. They have three children; Jacob, Austin and Marie, two dogs; Star and Wilson and six cats; Sister, Sunny, Meowth, Ziggy, Zoe and Lt. Dan. They attend the First United Methodist Church in Plattsmouth.

Dr. Andrew is a member of the American Veterinary Medical Association and the Nebraska Veterinary Medical Association.

Outside the office Dr. Kliewer enjoys going to the gym and watching football.