Main Office
Phone Number:


Emergency &
After Hours
Phone Number:


Companion Animal Clinic Hours

Mon: 8:00am – 5:00pm

Tues: 8:00am – 6:00pm

Wed: 8:00am – 5:00pm

Thurs: 8:00am – 5:30pm

Fri: 8:00am – 5:00pm

Sat: 9:00am – 1:00pm

Sun: Closed

Appointment Request

Request an Appointment

Our Vets

Dr. Tammy Louise Kersting


Dr. Tammy is the owner and founder of Companion Animal Clinic and has been practicing veterinary medicine for more than two decades. She received an associate and bachelor’s degree from the University of Findlay in Ohio. In 1985, Dr Tammy received her degree in Veterinary Medicine from Ohio State University. In October of 1990, Dr. Tammy opened Companion Animal Clinic and has been helping clients and their pets since.

Dr. Tammy currently lives in Story City.  She has a daughter, Dulce, who lives in Idaho and works for a historical society as a curator. Dr. Tammy has several pets of her own, which she enjoys taking care of. She currently has four horses, two goats, one cow, several barn cats, a house cat, several clinic cats, and the clinic corgi, Rascal.  Dr. Tammy’s newest family member, Hope, is a puppy that she adopted from the Story County Shelter after performing an emergency foreign body removal surgery.