About Us

• If you’re looking for high quality and a personal experience, you’ve come to the right place. At Knoll Animal Hospital we will give you the attention and personal service you will come to expect and enjoy. We offer the best in high quality veterinary services. Knoll Animal Hospital was previously known as Countryside Animal Clinic and has been located in Carol Stream since 1967 when Dr. Ron Swanson founded the practice. Dr. Annjolyn Pecoraro-Knoll obtained ownership in March of 2015. Dr. Knoll strives to make the experience for you and your pet to be the best. It is our belief that each animal should be treated as if they were our own and each client as if they were family. Let us put our experience to work for you.