Dr. Carol Mehlhaff, PH.D.

Elizabeth A. Larson, Inc. is a professional services firm based in Sioux Falls, SD, offering a range of specialized solutions to clients. With a focus on quality and efficiency, the company provides expert assistance in various areas to meet the unique needs of each individual or organization.

Welcome to Great Plains Psychological Services, serving Sioux Falls, SD and the surrounding community since 1992. Our experienced team of skilled professionals is committed to providing the highest quality counseling and mental health services for ad

Because State of Mind is Everything. We are Dr. Jim Snowden and Dr. Dena Olwan, clinical psychologists licensed in Iowa, each with over 25 years of experience in the mental health field. Our expertise includes the treatment of adults, adolescents, older children, couples, and families with a wide variety of problems. Our broad range of experience enables us to treat most presenting psychological symptoms and problems. We hope you will look through our website and contact us with any questions you have and to arrange for a personalized consultation regarding your needs. We are committed to providing quality and professional help in a comfortable setting.